# Custom Design & Build LLC > Maryland design-build contractor for outdoor living since 1994. Sunrooms and three-season rooms, custom decks, pergolas and motorized louvered pergolas, screen rooms, motorized retractable screens, porch roofs and patio covers, retractable awnings, fencing, walls-under and porch conversions, greenhouses, and saunas, hot tubs and cold plunges. Serving Harford, Baltimore, Cecil, Anne Arundel, and Howard Counties, Maryland. MHIC #91686, Trex Pro Platinum, authorized Sunspace dealer, Azenco-certified, authorized Alutech and Arcadia GlassHouse dealer. ## Pages - [Maryland's #1-Rated Sunroom & Deck Builder | 30+ Yrs](/): Sunrooms, decks, pergolas & screen rooms across Harford, Baltimore, Cecil, Anne Arundel & Howard County, MD. 94 five-star Google reviews. MHIC #91686. - [About Custom Design & Build LLC | Maryland Outdoor Living](/about/): Family-owned outdoor living contractor in Fallston, MD. Building decks, sunrooms, and pergolas across Maryland since 2010. - [Our Design & Build Process | Custom Design & Build LLC](/about/process/): A clear, predictable four-step process from first phone call to finished outdoor living space. - [Our Guarantee | Custom Design & Build LLC](/about/guarantee/): Two-year workmanship warranty, manufacturer warranties up to 50 years, and registration handled for you. - [Reviews | Custom Design & Build LLC](/about/reviews/): Read 5-star reviews from Maryland homeowners about their decks, sunrooms, and outdoor living projects with Custom Design & Build. - [Awning Visualizer | See It On Your Home Before You Buy](/visualizer/): Upload a photo of your home and preview a retractable awning in any Sunbrella fabric. Free, instant, no obligation. Maryland's trusted Alutech SunShield dealer. - [Financing | Custom Design & Build LLC](/financing/): Build your outdoor living project now and pay over up to 15 years. Approval often within minutes. 0% options available for qualified buyers. - [Pricing Calculator | Custom Design & Build LLC](/pricing/): Get a transparent ballpark estimate in 60 seconds. Maryland's trusted source for sunrooms, decks, fencing, and pergolas, serving Harford, Baltimore, and Cecil Counties. - [Contact Us | Custom Design & Build LLC](/contact/): Start a free phone consultation about your Maryland sunroom, deck, pergola, or outdoor living project. Serving Harford, Baltimore, and Cecil Counties. ## Services - [Sunroom Builders in Harford County & Central MD | Custom Design & Build](/services/sunrooms/): Sunroom builders serving Harford, Baltimore, Cecil, Anne Arundel & Howard County, MD. Three-season and four-season sunrooms. Sunspace dealer. MHIC #91686. - [Pergola Builders in Harford County & Central MD | Custom Design & Build](/services/pergolas/): Pergola builders serving Harford, Baltimore, Cecil, Anne Arundel & Howard County, MD. Louvered, motorized, and wood pergolas. Azenco certified. MHIC #91686. - [Custom Greenhouse Builder in Maryland | Arcadia GlassHouse Dealer](/services/greenhouses/): Authorized Arcadia GlassHouse dealer and installer. Custom glass and polycarbonate greenhouses built in Harford, Baltimore & Cecil County MD. MHIC #91686. - [Outdoor Kitchen Builders in Harford County & Central MD | Custom Design & Build](/services/outdoor-kitchens/): Custom outdoor kitchens, fire pits, and outdoor fireplaces in Harford, Baltimore, Cecil, Anne Arundel & Howard County, MD. Designed and built by our own crews. MHIC #91686. - [Roof Over Deck & Porch Roof Builders in Central MD | Custom Design & Build](/services/porch-roofs/): Adding a roof over an existing deck or building a new covered porch in Harford, Baltimore, Cecil, Anne Arundel & Howard County, MD. Permits handled. MHIC #91686. - [Sunspace Walls-Under & Porch Conversions in Maryland | Custom Design & Build LLC](/services/wall-under-systems/): Authorized Sunspace dealer in Maryland installing WeatherMaster, WeatherMaster Plus, and glass walls-under and porch conversion systems. Transform your porch, under-porch, or deck into a stylish, sheltered living space. - [Leisurecraft Saunas, Hot Tubs & Cold Plunges | Custom Design & Build LLC](/services/saunas-hot-tubs-cold-plunges/): Authorized Leisurecraft dealer in Maryland. Wood-fired hot tubs, barrel and panoramic saunas, cold plunge tubs, and cedar outdoor showers, professionally installed. - [Deck Builders in Harford County & Central MD | Custom Design & Build](/services/decks/): Deck builders serving Harford, Baltimore & Cecil County, Maryland. Custom composite and wood decks. Trex Pro Platinum. MHIC #91686. 30+ years. - [Screen Room Builders in Harford County & Central MD | Custom Design & Build](/services/screen-rooms/): Authorized Sunspace dealer in Harford, Baltimore & Cecil County MD. Custom Model 100 aluminum screen rooms, upgradeable to vinyl-window sunrooms. Free estimates. - [Sunspace Model 200 WeatherMaster Sunrooms in Maryland | Custom Design & Build](/services/weathermaster-sunrooms/): Authorized Sunspace dealer in Harford, Baltimore & Cecil County MD. Model 200 WeatherMaster sunrooms with vertical 4-track vinyl windows and up to 75% ventilation. Free estimates. - [Sunspace Model 300 3-Season Sunrooms in Maryland | Custom Design & Build](/services/three-season-sunrooms/): Authorized Sunspace dealer in Harford, Baltimore & Cecil County MD. Model 300 glass 3-season sunrooms with extruded aluminum and double-roller windows. Free estimates. - [Sunspace Model 400 Insulated 4-Season Sunrooms in Maryland | Custom Design & Build](/services/insulated-sunrooms/): Authorized Sunspace dealer in Harford, Baltimore & Cecil County MD. Model 400 insulated 4-season sunrooms with thermal walls, Low-E argon glass, and Therma-Deck floors. Free estimates. - [Azenco R-BLADE Motorized Louvered Pergolas in Maryland | Custom Design & Build](/services/louvered-pergolas/): Certified Azenco R-BLADE dealer in Harford, Baltimore & Cecil County MD. Motorized louvered pergolas with smart rain sensors, LED lighting, and hurricane-rated aluminum. Free estimates. - [Azenco R-BREEZE Fixed Louvered Pergolas in Maryland | Custom Design & Build](/services/fixed-louvered-pergolas/): Certified Azenco R-BREEZE dealer in Harford, Baltimore & Cecil County MD. Fixed slatted-roof aluminum pergolas in 90 and 55 degree editions. Free estimates. - [Azenco R-WEAVE Retractable Fabric Pergolas in Maryland | Custom Design & Build](/services/retractable-fabric-pergolas/): Certified Azenco R-WEAVE dealer in Harford, Baltimore & Cecil County MD. Motorized retractable fabric pergolas with waterproof fabric and integrated drainage. Free estimates. - [Azenco K-BANA Manual Louvered Pergolas in Maryland | Custom Design & Build](/services/manual-louvered-pergolas/): Certified Azenco K-BANA dealer in Harford, Baltimore & Cecil County MD. Award-winning modular manual louvered pergola, no power required. Free estimates. - [Azenco R-SHADE Insulated Patio Covers in Maryland | Custom Design & Build](/services/insulated-patio-covers/): Certified Azenco R-SHADE dealer in Harford, Baltimore & Cecil County MD. Solid insulated-roof aluminum patio covers, solar-ready. Free estimates. - [Azenco K-NOPY Aluminum Canopies and Awnings in Maryland | Custom Design & Build](/services/aluminum-canopies/): Certified Azenco K-NOPY dealer in Harford, Baltimore & Cecil County MD. Custom aluminum canopies and awnings, louvered or insulated. Free estimates. - [Azenco R-CAR Insulated Aluminum Carports in Maryland | Custom Design & Build](/services/aluminum-carports/): Certified Azenco R-CAR dealer in Harford, Baltimore & Cecil County MD. Premium insulated aluminum carports, solar-ready, freestanding or wall-mounted. Free estimates. - [Maryland Retractable Awning Company & Installer | Alutech Dealer](/services/awnings/): Retractable awning company and installer serving Baltimore, Harford & Cecil County MD. Motorized Alutech SunShield awnings with Sunbrella fabric. Free quote. - [Custom Fencing in Maryland | Custom Design & Build LLC](/services/fencing/): Wood, vinyl, and aluminum fencing designed to complement your outdoor space and stand up to Maryland weather. Serving Harford, Baltimore, and Cecil Counties, MD. MHIC #91686. - [Motorized Retractable Screens in Maryland | Sunspace Dealer](/services/motorized-screens/): Motorized retractable patio, porch and deck screens in Harford, Baltimore & Cecil County MD. Sunspace Retractable Screen System, authorized dealer. Free quote. ## Service Area - [Service Areas | Maryland Outdoor Living Contractor](/about/service-area/): Browse town-by-town service-area pages across Harford, Baltimore, Cecil, Anne Arundel, and Howard Counties. Custom Design & Build serves Maryland from our Fallston, MD headquarters. - [Harford County Deck Builders & Sunrooms | Custom Design & Build](/service-area/harford-county-md/): Local Harford County deck builders and sunroom installers based in Fallston, MD. Custom decks, sunrooms, pergolas, and screen rooms. MHIC #91686. Free phone consult. - [Baltimore County Deck Builders & Sunrooms | Custom Design & Build](/service-area/baltimore-county-md/): Baltimore County deck builders and sunroom installers. Custom decks, sunrooms, pergolas, and screen rooms for Towson, Cockeysville, Perry Hall, and White Marsh homeowners. MHIC #91686. - [Cecil County Deck Builders & Sunrooms | Custom Design & Build](/service-area/cecil-county-md/): Cecil County deck and sunroom builders serving Elkton, North East, and Chesapeake City. Custom decks, sunrooms, pergolas, and screen rooms with a full permit and warranty package. MHIC #91686. - [Anne Arundel County Deck Builders & Sunrooms | Custom Design & Build](/service-area/anne-arundel-county-md/): Anne Arundel County deck builders and sunroom installers serving Severna Park, Annapolis, and Crofton. Custom decks, sunrooms, and pergolas. MHIC #91686. - [Howard County Deck Builders & Sunrooms | Custom Design & Build](/service-area/howard-county-md/): Howard County deck builders and sunroom installers serving Columbia, Ellicott City, and Clarksville. Custom decks, sunrooms, and pergolas. MHIC #91686. - [Bel Air, MD Deck, Sunroom & Pergola Builder | Custom Design & Build](/service-area/bel-air-md/): Top-rated outdoor living contractor serving Bel Air, Harford County. Sunrooms, decks, pergolas, screen rooms. 30+ years. MHIC #91686. Free phone consult. - [Forest Hill, MD Deck, Sunroom & Pergola Builder | Custom Design & Build](/service-area/forest-hill-md/): Top-rated outdoor living contractor serving Forest Hill, Harford County. Sunrooms, decks, pergolas, screen rooms. 30+ years. MHIC #91686. Free phone consult. - [Fallston, MD Deck, Sunroom & Pergola Builder | Custom Design & Build](/service-area/fallston-md/): Top-rated outdoor living contractor serving Fallston, Harford County. Sunrooms, decks, pergolas, screen rooms. 30+ years. MHIC #91686. Free phone consult. - [Aberdeen, MD Deck, Sunroom & Pergola Builder | Custom Design & Build](/service-area/aberdeen-md/): Top-rated outdoor living contractor serving Aberdeen, Harford County. Sunrooms, decks, pergolas, screen rooms. 30+ years. MHIC #91686. Free phone consult. - [Havre de Grace, MD Deck, Sunroom & Pergola Builder | Custom Design & Build](/service-area/havre-de-grace-md/): Top-rated outdoor living contractor serving Havre de Grace, Harford County. Sunrooms, decks, pergolas, screen rooms. 30+ years. MHIC #91686. Free phone consult. - [Joppa, MD Deck, Sunroom & Pergola Builder | Custom Design & Build](/service-area/joppa-md/): Top-rated outdoor living contractor serving Joppa, Harford County. Sunrooms, decks, pergolas, screen rooms. 30+ years. MHIC #91686. Free phone consult. - [Jarrettsville, MD Deck, Sunroom & Pergola Builder | Custom Design & Build](/service-area/jarrettsville-md/): Top-rated outdoor living contractor serving Jarrettsville, Harford County. Sunrooms, decks, pergolas, screen rooms. 30+ years. MHIC #91686. Free phone consult. - [Edgewood, MD Deck, Sunroom & Pergola Builder | Custom Design & Build](/service-area/edgewood-md/): Top-rated outdoor living contractor serving Edgewood, Harford County. Sunrooms, decks, pergolas, screen rooms. 30+ years. MHIC #91686. Free phone consult. - [Towson, MD Deck, Sunroom & Pergola Builder | Custom Design & Build](/service-area/towson-md/): Top-rated outdoor living contractor serving Towson, Baltimore County. Sunrooms, decks, pergolas, screen rooms. 30+ years. MHIC #91686. Free phone consult. - [Cockeysville, MD Deck, Sunroom & Pergola Builder | Custom Design & Build](/service-area/cockeysville-md/): Top-rated outdoor living contractor serving Cockeysville, Baltimore County. Sunrooms, decks, pergolas, screen rooms. 30+ years. MHIC #91686. Free phone consult. - [Perry Hall, MD Deck, Sunroom & Pergola Builder | Custom Design & Build](/service-area/perry-hall-md/): Top-rated outdoor living contractor serving Perry Hall, Baltimore County. Sunrooms, decks, pergolas, screen rooms. 30+ years. MHIC #91686. Free phone consult. - [White Marsh, MD Deck, Sunroom & Pergola Builder | Custom Design & Build](/service-area/white-marsh-md/): Top-rated outdoor living contractor serving White Marsh, Baltimore County. Sunrooms, decks, pergolas, screen rooms. 30+ years. MHIC #91686. Free phone consult. - [Elkton, MD Deck, Sunroom & Pergola Builder | Custom Design & Build](/service-area/elkton-md/): Top-rated outdoor living contractor serving Elkton, Cecil County. Sunrooms, decks, pergolas, screen rooms. 30+ years. MHIC #91686. Free phone consult. - [North East, MD Deck, Sunroom & Pergola Builder | Custom Design & Build](/service-area/north-east-md/): Top-rated outdoor living contractor serving North East, Cecil County. Sunrooms, decks, pergolas, screen rooms. 30+ years. MHIC #91686. Free phone consult. - [Chesapeake City, MD Deck, Sunroom & Pergola Builder | Custom Design & Build](/service-area/chesapeake-city-md/): Top-rated outdoor living contractor serving Chesapeake City, Cecil County. Sunrooms, decks, pergolas, screen rooms. 30+ years. MHIC #91686. Free phone consult. - [Severna Park, MD Deck, Sunroom & Pergola Builder | Custom Design & Build](/service-area/severna-park-md/): Top-rated outdoor living contractor serving Severna Park, Anne Arundel County. Sunrooms, decks, pergolas, screen rooms. 30+ years. MHIC #91686. Free phone consult. - [Annapolis, MD Deck, Sunroom & Pergola Builder | Custom Design & Build](/service-area/annapolis-md/): Top-rated outdoor living contractor serving Annapolis, Anne Arundel County. Sunrooms, decks, pergolas, screen rooms. 30+ years. MHIC #91686. Free phone consult. - [Crofton, MD Deck, Sunroom & Pergola Builder | Custom Design & Build](/service-area/crofton-md/): Top-rated outdoor living contractor serving Crofton, Anne Arundel County. Sunrooms, decks, pergolas, screen rooms. 30+ years. MHIC #91686. Free phone consult. - [Davidsonville, MD Deck, Sunroom & Pergola Builder | Custom Design & Build](/service-area/davidsonville-md/): Top-rated outdoor living contractor serving Davidsonville, Anne Arundel County. Sunrooms, decks, pergolas, screen rooms. 30+ years. MHIC #91686. Free phone consult. - [Crownsville, MD Deck, Sunroom & Pergola Builder | Custom Design & Build](/service-area/crownsville-md/): Top-rated outdoor living contractor serving Crownsville, Anne Arundel County. Sunrooms, decks, pergolas, screen rooms. 30+ years. MHIC #91686. Free phone consult. - [Severn, MD Deck, Sunroom & Pergola Builder | Custom Design & Build](/service-area/severn-md/): Top-rated outdoor living contractor serving Severn, Anne Arundel County. Sunrooms, decks, pergolas, screen rooms. 30+ years. MHIC #91686. Free phone consult. - [Columbia, MD Deck, Sunroom & Pergola Builder | Custom Design & Build](/service-area/columbia-md/): Top-rated outdoor living contractor serving Columbia, Howard County. Sunrooms, decks, pergolas, screen rooms. 30+ years. MHIC #91686. Free phone consult. - [Ellicott City, MD Deck, Sunroom & Pergola Builder | Custom Design & Build](/service-area/ellicott-city-md/): Top-rated outdoor living contractor serving Ellicott City, Howard County. Sunrooms, decks, pergolas, screen rooms. 30+ years. MHIC #91686. Free phone consult. - [Clarksville, MD Deck, Sunroom & Pergola Builder | Custom Design & Build](/service-area/clarksville-md/): Top-rated outdoor living contractor serving Clarksville, Howard County. Sunrooms, decks, pergolas, screen rooms. 30+ years. MHIC #91686. Free phone consult. - [Glenelg, MD Deck, Sunroom & Pergola Builder | Custom Design & Build](/service-area/glenelg-md/): Top-rated outdoor living contractor serving Glenelg, Howard County. Sunrooms, decks, pergolas, screen rooms. 30+ years. MHIC #91686. Free phone consult. - [Highland, MD Deck, Sunroom & Pergola Builder | Custom Design & Build](/service-area/highland-md/): Top-rated outdoor living contractor serving Highland, Howard County. Sunrooms, decks, pergolas, screen rooms. 30+ years. MHIC #91686. Free phone consult. ## Our Work - [Our Work | Maryland Outdoor Living Portfolio](/our-work/residential/): Browse decks, sunrooms, pergolas, screen rooms and more we've built for homeowners across Maryland. - [Commercial Projects | Custom Design & Build LLC](/our-work/commercial/): Commercial outdoor living and structure projects across Maryland. Restaurants, hospitality, and multi-family installations. - [Project Videos | Custom Design & Build LLC](/videos/): Watch real project videos from Custom Design & Build LLC: sunrooms, decks, pergolas, porches, and more across Maryland. ## Learning Center - [Learning Center | Maryland Outdoor Living Guides](/learning-center/): Educational guides for Maryland homeowners planning sunrooms, decks, pergolas, and more. - [Snow & Ice Damage to Sunrooms and Porches: Prevention, Safe Removal, and Why Professional Construction Matters | Custom Design & Build](/learning-center/snow-ice-damage-to-sunrooms-and-porches-prevention-safe-removal-and-why-professional-construction-matters/): Winter Weather Guide Snow & Ice Damage to Sunrooms and Porches: Prevention, Safe Removal, and Why Professional Construction Matters Harford, Baltimore &… - [How to Spot Professional Sunroom Work | Custom Design & Build](/learning-center/how-to-spot-professional-sunroom-work/): A sunroom should be a bright, comfortable extension of your home - a space where you can enjoy natural light and outdoor views without battling the elemen… - [The True Cost of Waiting: Why Now Is the Best Time for Your Outdoor Living Project | Custom Design & Build](/learning-center/the-true-cost-of-waiting-why-now-is-the-best-time-for-your-outdoor-living-project/): The True Cost of Waiting: Why Now Is the Best Time for Your Outdoor Living Project If you've been dreaming about a sunroom, a beautiful new deck, or a c… - [Can You Heat a Three-Season Room? What Maryland Homeowners Need to Know | Custom Design & Build](/learning-center/can-you-heat-a-three-season-room-what-maryland-homeowners-need-to-know/): Can You Heat a Three-Season Room? A Maryland Homeowner's Guide Understanding your options for extending the comfort of your three-season room into colde… - [10 Benefits of Installing an Awning at Your Maryland Home | Custom Design & Build](/learning-center/10-benefits-of-installing-an-awning-at-your-maryland-home/): 10 Incredible Benefits of Installing an Awning at Your Maryland Home Transform Your Outdoor Space While Saving Money and Energy If you're looking for a… - [The Complete Guide to Deck Remodeling in Maryland | Custom Design & Build](/learning-center/the-complete-guide-to-deck-remodeling-in-maryland/): The Complete Guide to Deck Remodeling in Maryland Everything You Need to Know About Transforming Your Outdoor Living Space Your deck is more than just a… - [Choosing the Right Screen Mesh for Your Sunroom | Custom Design & Build](/learning-center/choosing-the-right-screen-mesh-for-your-sunroom/): When it comes to creating the perfect sunroom, one of the most important decisions you'll make is selecting the right screen mesh. The mesh you choose w… - [Manual vs Motorized Awnings: 2026 Cost & Benefits Compared](/learning-center/manual-vs-motorized-awnings-cost-benefits-comparison-guide/): Side-by-side comparison of manual and motorized awnings: real installed costs, warranty, wind sensors, lifespan, and which one wins for Maryland patios. - [The Complete Guide to Deck Awnings: Transform Your Outdoor Living Space | Custom Design & Build](/learning-center/the-complete-guide-to-deck-awnings-transform-your-outdoor-living-space/): The Complete Guide to Deck Awnings: Transform Your Outdoor Living Space Looking to enhance your deck with the perfect awning? Whether you're seeking sha… - [Extending Your Outdoor Living Space with Awnings: Create the Perfect Outdoor Room | Custom Design & Build](/learning-center/extending-your-outdoor-living-space-with-awnings-create-the-perfect-outdoor-room/): Extending Your Outdoor Living Space with Awnings: Create Your Perfect Backyard Retreat Your deck or patio holds untapped potential as valuable living sp… - [Screen Room vs Three-Season Room: Which is Right for Your Maryland Home? | Custom Design & Build](/learning-center/screen-room-vs-three-season-room-which-is-right-for-your-maryland-home/): If you're a Maryland homeowner looking to extend your outdoor living season, you've likely considered adding either a screen room or a three-season room… - [Leisurecraft Saunas in Maryland - Authorized Dealer Installation | Custom Design & Build](/learning-center/leisurecraft-saunas-in-maryland-authorized-dealer-installation/): Transform your backyard into a wellness retreat with a handcrafted Leisurecraft sauna, professionally installed by Custom Design & Build LLC in Fallston… - [7 Warning Signs Your Deck Needs Replacing (Before It Fails)](/learning-center/7-warning-signs-your-deck-needs-to-be-replaced/): Soft boards, ledger rot, wobbly rails, popped fasteners - 7 warning signs your deck is at end-of-life, with photos and what each one means for safety. - [What Affects the Cost of a Custom Deck? Let’s Break It Down | Custom Design & Build](/learning-center/what-affects-the-cost-of-a-custom-deck-lets-break-it-down/): So you’re thinking about adding a deck to your home - awesome! Whether it’s a simple space to sip your morning coffee or a multi-level setup built for ser… - [How to Hire the Right Contractor: A Checklist for Homeowners Who Want It Done Right | Custom Design & Build](/learning-center/how-to-hire-the-right-contractor-checklist/): Choosing a contractor isn't just about who offers the best price - or who seems the nicest on the phone. It’s about hiring someone who can turn your visio… - [Transform Your Backyard into a Wellness Retreat with a Sauna and Cold Plunge | Custom Design & Build](/learning-center/transform-your-backyard-into-a-wellness-retreat-with-a-sauna-and-cold-plunge/): Transforming your backyard into a personal wellness retreat with a sauna and cold plunge is more attainable than ever. At Custom Design & Build LLC, we… - [Harford County Three-Season Room Permit & Zoning Checklist](/learning-center/permit-zoning-checklist-for-building-a-three-season-room-in-harford-county/): Step-by-step permit and zoning checklist for adding a three-season room in Harford County, MD. Setbacks, footings, electrical, and HOA review explained. - [What’s the Difference Between a Sunroom and a Three-Season Room? (And Which is Better for Maryland Homes?) | Custom Design & Build](/learning-center/whats-the-difference-between-a-sunroom-and-a-three-season-room-and-which-is-better-for-maryland-homes/): If you're thinking about adding more light and space to your home, chances are you’ve come across two popular options: the sunroom and the three-season… - [Can You Use a Three-Season Room Year-Round in Maryland? | Custom Design & Build](/learning-center/can-you-use-a-three-season-room-year-round-in-maryland/): Three-season rooms are a popular upgrade across Harford County - especially in places like Bel Air, Fallston, and Jarrettsville where folks love the outdo… - [Top 5 Reasons Harford County Homeowners Are Adding Three-Season Rooms | Custom Design & Build](/learning-center/top-5-reasons-harford-county-homeowners-are-adding-three-season-rooms/): In Harford County, where the weather can shift from brisk mornings to warm afternoons in a single day, more homeowners are looking for ways to enjoy the… - [Elevate Your Outdoor Living with High-Quality Screen Enclosures | Custom Design & Build](/learning-center/screen-enclosure-benefits/): Experience fresh air without mosquitoes, reduce pool chemical use, and enjoy year-round safety for your family with Custom Design & Build LLC’s screen e… - [Covered Deck vs Screen Room: Which Is Right for You?](/learning-center/whats-the-difference-between-a-covered-deck-and-a-screen-room/): Covered deck vs screen room: open-air feel, bug protection, cost, and resale value compared - with photos of real Maryland builds and what we recommend. - [Enhance Your Maryland Home with a Custom Screen Room: Year-Round Comfort Awaits | Custom Design & Build](/learning-center/enhance-your-maryland-home-with-a-custom-screen-room-year-round-comfort-awaits/): You want a comfortable space that'll merge the refreshing outdoors with your cozy indoor environment. A screen room keeps harsh weather and bugs at bay… - [Discover the Benefits of Three-Season Rooms in Maryland for Your Home | Custom Design & Build](/learning-center/the-benefits-of-three-season-rooms-in-maryland/): Key Takeaways When it comes to enjoying Maryland's beautiful outdoors without the hassle of bugs or unpredictable weather, three season rooms are a… - [Deck Builders in Harford County, MD | Custom Design & Build](/learning-center/deck-builder-in-harford-county/): Top-rated deck builders in Harford County, MD. 30+ years building Bel Air, Forest Hill, Fallston, and Aberdeen decks. MHIC #91686. Free phone consult. - [How a Three Season Room Can Increase Your Home’s Value in Maryland | Custom Design & Build](/learning-center/how-a-three-season-room-can-increase-your-homes-value-in-maryland/): Adding a three season room to your home is one of the most cost-effective ways to expand your living space while increasing your home’s resale value. In… - [How Pergolas Define and Enhance Outdoor Spaces | Custom Design & Build](/learning-center/how-pergolas-define-and-enhance-outdoor-spaces/): Outdoor spaces often feel incomplete without a sense of structure or purpose. That’s where pergolas come in. These simple yet stylish additions frame ou… - [How to Add a Porch Roof Without Losing Natural Light in Your Home | Custom Design & Build](/learning-center/how-to-add-a-porch-roof-without-losing-natural-light-in-your-home/): Adding a porch roof is a great way to enhance your outdoor space, but many homeowners worry about losing natural light in areas like the kitchen or fami… - [Things to Consider When It Comes to Decks and Patios | Custom Design & Build](/learning-center/things-to-consider-when-it-comes-to-decks-and-patios/): Adding a deck, patio, or both to your home can elevate your outdoor living space, creating an inviting area for relaxation and entertainment. But before… - [Types of Custom Outdoor Living Your Space Could Use | Custom Design & Build](/learning-center/types-of-custom-outdoor-living-your-space-could-use/): Customizing your backyard is one of the best perks of being a homeowner. It’s literally your domain, and you get to decide how it looks and functions. O… - [4 Privacy Fencing Ideas For Your Backyard | Custom Design & Build](/learning-center/4-privacy-fencing-ideas-for-your-backyard/): Nobody likes to have nosy neighbors or looky-loos in their backyard. Fortunately, a tall fence with minimal (or no) gaps is a simple and easy way to hav… - [How Covered Patios Change the Game for Hosting | Custom Design & Build](/learning-center/covered-patios/): Hosting an outdoor party, event, or get-together at your home is always fun, but it’s not always feasible. If you don’t have a covered area for guests,… - [How Custom Fire Pits Make Your Patio the Best on the Block | Custom Design & Build](/learning-center/custom-fire-pits/): Fire pits may have been around in one form or another for centuries, but they’ve become an increasingly popular addition to backyards and patios over th… - [Uncovered vs. Covered Outdoor Kitchen: Which is Better? | Custom Design & Build](/learning-center/uncovered-vs-covered-outdoor-kitchen-which-is-better/): Outdoor kitchens can be a great addition to just about any home - especially if you and your family enjoy having snacks or meals in the great outdoors!… - [What is Hardscaping & How Can It Change Your Space? | Custom Design & Build](/learning-center/what-is-hardscaping-and-how-can-it-change-your-space/): Most people are familiar with the term “landscaping.” Whether you rent or own your home, you likely have to do a certain degree of landscaping work (or… - [Modern Outdoor Kitchen Features That Make A Huge Difference | Custom Design & Build](/learning-center/modern-outdoor-kitchen/): An outdoor kitchen is such a huge commodity that a lot of people overlook when imagining their dream home. It makes it easier to host garden parties, fa… - [DIY Fencing - Where Things Go Wrong | Custom Design & Build](/learning-center/diy-fencing-where-things-go-wrong/): Most homeowners want to feel like the masters of their own domains - as they should! But there comes a point in every homeowner’s life when they have to… - [Luxury Outdoor Living Spaces Without the Luxury Price | Custom Design & Build](/learning-center/luxury-outdoor-living-spaces-without-the-luxury-price/): Maximizing the aesthetic appeal of your home is a long-term investment. Not only does it improve curb appeal and increase the value of your property, bu… - [How to Create Covered Outdoor Living Spaces You Love | Custom Design & Build](/learning-center/how-to-create-covered-outdoor-living-spaces-you-love/): Your outdoor space should feel like an extension of your home so a covered deck is a brilliant way to create a protected relaxing retreat. Multi-level l… - [Crafting Dream Decks: The Distinction of Custom Design And Build, LLC in Harford County, MD | Custom Design & Build](/learning-center/crafting-dream-decks/): From the gentle curves of the Susquehanna River to the historic charm of Havre de Grace, Harford County, Maryland, is a testament to nature's beauty and… - [The Custom Design And Build Difference: Our Standard Deck Package | Custom Design & Build](/learning-center/the-custom-design-and-build-difference-our-standard-deck-package/): In the realm of deck construction, there's the ordinary and then there's Custom Design And Build, LLC. For us, many features that are considered "extras… - [Can You Build a Roof Over an Existing Deck? (Yes - Here's How)](/learning-center/can-i-build-a-roof-over-my-existing-deck-yes-you-can/): Yes - you can add a roof over an existing deck if the footings and framing can carry the load. Step-by-step on inspection, engineering, permits, and costs. - [Navigating the Labyrinth: Choosing the Right Contractor for Your Outdoor Living Space | Custom Design & Build](/learning-center/navigating-the-labyrinth-choosing-the-right-contractor-for-your-outdoor-living-space/): ​Starting a new outdoor living space project? Eager to enjoy those serene mornings on a deck or in a screened porch? We understand your excitement. But,… - ["Joist Tape: Unraveling Its Key Benefits and Associated Costs for Deck Building" | Custom Design & Build](/learning-center/joist-tape-for-deck-building/): ​When it comes to building a deck that stands the test of time, it's not just about the choice of Composite or the design – it's also about the small ye… - [How Much Will My Composite Deck with a Screen Room or Porch Roof Really Cost? | Custom Design & Build](/learning-center/how-much-will-my-composite-deck-with-a-screen-room-or-porch-roof-really-cost/): COMPOSITE DECK DETAILS | SCREEN ROOM & PORCH ROOF OPTIONS | COST AND PRICING How much does a composite deck with a screen room or porch roof cost? One o… - [A Screen Room and Composite Deck: 5 Reasons to Build in the Fall | Custom Design & Build](/learning-center/screen-room-and-composite-deck/): ​If you're browsing our site, it's likely you're dreaming of a beautiful composite deck or screen room gracing your backyard in Harford County. Visualiz… - [What 7 Things You Should Know Before Embarking on Your Screen Room Project | Custom Design & Build](/learning-center/what-7-things-you-should-know-before-embarking-on-your-screen-room-project/): ​SCREEN ROOMS Whether you're looking to enjoy a gentle spring breeze, a crisp autumn evening, or any moment in between, enhancing your home with some ad… - [Beware of Unlicensed Contractors! A Guide by Mark Szabo at Custom Design and Build | Custom Design & Build](/learning-center/beware-of-unlicensed-contractors-a-guide-by-mark-szabo-at-custom-design-and-build/): ​Protect your home and your pocket from the risks associated with unlicensed contractors. Here are ten key facts you should be aware of: ​​1. In Mary… - [Understanding Your Warranty with Custom Design and Build | Custom Design & Build](/learning-center/understanding-your-warranty-with-custom-design-and-build/): ​Hello valued customers! Mark Szabo here from Custom Design And Build. We've received some questions recently regarding warranties, and I wanted to addr… - [What Happens After You Submit a Quote Form with Custom Design And Build | Custom Design & Build](/learning-center/what-happens-after-you-submit-a-quote-form-with-custom-design-and-build/): ​ ​Hello there, I'm Mark Szabo, and first, let me thank you for considering Custom Design And Build for your dream project. Once you've filled out our '… - [who are the Best Deck Builders in Harford County, Maryland? | Custom Design & Build](/learning-center/who-are-the-best-deck-builders-in-harford-county-maryland/): Seeking the perfect deck builder in Harford County, Maryland can be a daunting task, especially when online reviews are sparse in smaller areas. While s… - ["Porch-tastic! The Ultimate Guide to Designing Your Dream Covered Porch" | Custom Design & Build](/learning-center/your-dream-covered-porch/): Step right up, dear reader! It's time to explore the enchanting world of a covered porch. Have you ever daydreamed of lounging on your porch, with natur… - [Composite Decking Choices: Trex vs. TimberTech vs. Azek | Custom Design & Build](/learning-center/composite-decking-choices-trex-vs-timbertech-vs-azek/): ​When you're deliberating about a durable, long-lasting, and low-maintenance decking option for your outdoor area, composite decking invariably stands o… - [Understanding Trex Decking: A Guide to Select, Transcend, Transcend Tropical, Transcend Lineage, and Signature Lines | Custom Design & Build](/learning-center/understanding-trex-decking-a-guide-to-select-transcend-transcend-tropical-transcend-lineage-and-signature-lines/): ​Trex, as one of the forerunners in the composite decking industry, boasts an impressive array of product lines. Each line is tailored to meet diverse n… - [Are You Thinking About Adding a Porch Roof or Screened-In Room to Your Deck? Here's What You Need to Know | Custom Design & Build](/learning-center/are-you-thinking-about-adding-a-porch-roof-or-screened-in-room-to-your-deck-heres-what-you-need-to-know/): Summer days can be gloriously sunny, but there’s a downside: the scorching sun can keep you off your beloved deck. The very place you want to relax beco… - [10 Commonly Asked Questions About Fence Installations | Custom Design & Build](/learning-center/questions-about-fence-installation/): ​When it comes to enhancing the security, privacy, and aesthetic appeal of your property, a fence installation can be an invaluable addition. However, e… - [Build Your Custom Deck or Perfect Patio in 5 Easy Steps | Custom Design & Build](/learning-center/build-your-perfect-patio/): Creating your ideal outdoor space. with your perfect patio or deck, can transform into reality through thoughtful planning, a sprinkle of creativity, an… - [What Questions to Ask When Building a Deck in Harford County MD? | Custom Design & Build](/learning-center/what-questions-to-ask-when-building-a-deck-in-harford-county-md/): Are you considering adding a new deck to your home or maybe upgrading an existing one? This can be an exciting, yet daunting task. The key to ensuring a… - [The Crucial Role of Building Permits in Deck Construction | Custom Design & Build](/learning-center/building-permits-in-deck-construction/): Embarking with deck construction at your home is an exciting venture that can enhance your outdoor living experience while increasing your property valu… - [The Trap of Cost-Cutting: Selecting the Best Contractor Over the Least Expensive | Custom Design & Build](/learning-center/the-trap-of-cost-cutting-selecting-the-best-contractor-over-the-least-expensive/): Initiating home renovations or construction projects naturally drives many homeowners towards the most economical choices. Being mindful of costs is pra… - [Custom Deck Construction vs. DIY: A Comparative Analysis of Time and Considerations | Custom Design & Build](/learning-center/custom-deck-construction-vs-diy-a-comparative-analysis-of-time-and-considerations/): Let's address part of the frequently asked question. How long does it take to build a deck? Adding a deck to your home is an excellent way to enhance o… - [Expanding Your Outdoor Living Space with a Deck: Embrace the Custom Design and Build Difference | Custom Design & Build](/learning-center/expanding-your-outdoor-living-space-with-a-deck-embrace-the-custom-design-and-build-difference/): Are you looking to create an inviting outdoor oasis that seamlessly blends with your home? Look no further than expanding your living space with a beaut… - [Upgrade Your Deck Railing: Discover Trex's T-Rail and Custom Design And Build's Expertise | Custom Design & Build](/learning-center/upgrade-your-deck-railing-discover-trexs-t-rail-and-custom-design-and-builds-expertise/): Picture this: a warm, sunny day, a refreshing beverage in hand, and the perfect outdoor deck to relax and soak in the beauty of nature. However, your se… - [Coolest Composite & PVC Decking: How to Beat the Heat (2026)](/learning-center/beat-the-heat-a-closer-look-at-hot-composite-and-pvc-decking/): Which composite and PVC decking stays coolest underfoot in direct sun? Side-by-side temps for Trex, TimberTech, AZEK, and what colors to avoid in Maryland summers. - [Covered Deck, Porch Roof, or Sunroom? Names Explained](/learning-center/exploring-the-different-names-for-putting-a-roof-on-a-deck/): Covered deck vs porch roof vs three-season room vs sunroom - what each term actually means, what it costs, and which one fits your Maryland backyard. - [Experience the Best Results with Harford County and Baltimore County, MD Deck Builders | Custom Design & Build](/learning-center/experience-the-best-results-with-harford-county-and-baltimore-county-md-deck-builders/): Are you dreaming of a stunning deck for your home in Harford County or Baltimore County, MD? Don't settle for anything less than perfection - hire a profe… - [Best Places to Make the Best Memories with Friends and Family: | Custom Design & Build](/learning-center/best-places-to-make-the-best-memories-with-friends-and-family/): ​When it comes to creating cherished memories with your loved ones, few places rival the joy and comfort of a beautifully designed and meticulously craf… - [Unveiling the Distinctions: PVC vs. Capped Composite Decking | Custom Design & Build](/learning-center/unveiling-the-distinctions-pvc-vs-capped-composite-decking/): As outdoor living spaces continue to gain popularity, selecting the right decking material becomes a crucial decision. Two prominent contenders in the d… - [Heating up your outdoor space | Custom Design & Build](/learning-center/heating-up-your-outdoor-space/): Heating an open-air room can provide comfort and extend the usability of the space during colder months or chilly evenings. There are several options av… - [7 Popular Screened-Porch Ceiling Options (with Photos)](/learning-center/our-most-popular-ceiling-options-for-a-screened-room-or-open-porch/): Beadboard, T&G, vinyl bead, exposed beam, planked, painted, and stained ceiling options for screened porches and covered decks. Pros, cons, and real builds. - [Deck Picture frame and accent boards | Custom Design & Build](/learning-center/deck-picture-frame-and-accent-boards/): Using a picture frame and accent boards on a deck offers several benefits in terms of both aesthetics and functionality. Let's explore the reasons why y… - [12 Deck Stair Design Ideas (Photos + Plans) | 2026 Guide](/learning-center/how-to-choose-stair-design-for-your-custom-deck/): 12 deck-stair design ideas with photos: cascading, box, wraparound, landings, and lighting. Pro tips from Maryland's top deck builder. See the gallery. - [Choosing Your Under-Deck Dry Space Solution | Custom Design & Build](/learning-center/choosing-your-under-deck-dry-space-solution/): Under-deck dry space systems are innovative solutions that allow homeowners to make use of the space beneath their decks while keeping it dry and functi… - [How To Choose Your Deck Railing: Vinyl, Composite or Aluminum? | Custom Design & Build](/learning-center/how-to-choose-your-deck-railing-vinyl-composite-or-aluminum/): Selecting the perfect railing for your custom design and build project is an essential decision that encompasses both aesthetics and functionality. Toda… - [Ready to Build Your New Deck? Top 10 Questions ANSWERED | Custom Design & Build](/learning-center/ready-to-build-your-new-deck-top-10-questions-answered/): How much does it cost to build a deck? The cost of building a deck can vary depending on factors such as size, materials used, and desired features. We… - [Eze-Breeze vs Sunspace WeatherMaster: An Honest Comparison for Maryland Porches](/learning-center/sunspace-weathermaster-vs-ezebreeze/): Two vinyl porch window systems, compared on published specs rather than sales copy. What is genuinely the same, what is different, and how to choose. - [Motorized vs Fixed Louvered Pergola: Azenco R-BLADE vs R-BREEZE | Custom Design & Build](/learning-center/motorized-vs-fixed-louvered-pergola/): Adjustable motorized louvers or clean fixed slats? Here is how Azenco's R-BLADE and R-BREEZE pergolas compare. - [Sunroom vs Three-Season Room vs Screen Room: What Is the Difference? | Custom Design & Build](/learning-center/sunroom-vs-three-season-vs-screen-room/): Screen, vinyl, glass, or fully insulated? A simple guide to choosing the right enclosure for your Maryland home. - [Retractable Awning vs Pergola vs Patio Cover: Which Shade Is Right for Your Deck? | Custom Design & Build](/learning-center/awning-vs-pergola-vs-patio-cover/): Three popular ways to shade a deck or patio, compared on coverage, cost, and weather protection. - [How Much Does a Retractable Awning Cost in Maryland? (2026)](/learning-center/how-much-does-a-retractable-awning-cost-in-maryland/): What a retractable awning costs in Maryland in 2026, by size and operation. Real installed prices from a licensed local Alutech dealer. Get a free quote. - [Pergola vs Retractable Awning: Which Is Right for Your Maryland Backyard?](/learning-center/pergola-vs-retractable-awning/): Pergola or retractable awning? A Maryland outdoor living contractor compares shade, weather protection, cost, and features so you can pick the right one. - [Retractable Awning Features Explained: Sunbrella Fabric, Motors, Sensors & LED Lights](/learning-center/retractable-awning-features-and-sunbrella-fabric/): What makes a quality retractable awning: genuine Sunbrella fabric, motorized operation, wind and sun sensors, LED-lit arms, and a cassette hood. A Maryland Alutech dealer explains.