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Serving Northern Virginia and Maryland

A Premier Designer and Builder of Screened Porches, Decks, and Outdoor kitchens

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Luxurious Outdoor Living Spaces

Custom Designs to Expand your Outdoor Living

Design Builders, Inc. is a custom design-build firm headquartered in Bethesda, MD. Founded in 2006, the licensed, bonded, and insured outdoor design company has transformed hundreds of backyards in Northern Virginia and Maryland into luxurious outdoor living spaces.  We service parts of Fairfax, Arlington, and Loudon Counties in Virginia, as well as parts of Montgomery,  Howard, Anne Arundel, Prince Georges Counties in Maryland. At this time, WE DO NOT SERVICE THE DISTRICT OF COLUMBIA OR BALTIMORE CITY.  


Outdoor Kitchens

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Screened Porches 

Design Builders works with many different products, from composite decking, to railing systems, to screening systems and heaters.

See our decks

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Decks and Pavilions

No two Design Builder projects are the same. Our only limits are our imaginations. 

See our decks and pavilions

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Outdoor Kitchens 

Turn your bbq into an outdoor kitchen.  Design Builders uses products from Danver to Blaze to turn your backyard into entertainment central. 

See our outdoor kitchens

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Rooftop Decks

Looking to add space where there is none?  How about the roof?

See our rooftop decks

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Whats new?

Our Latest Projects

An Urbana, MD screened porch and a cozy backyard in Chevy Chase.

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Contact us

Phone number

(301) 875-2781

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The Design Builders Blog

10 Dekton Benefits that make it ideal for outdoor Living Spaces Outdoor kitchen countertops. Flooring. Cladding. However you’re thinking about using Dekton by Cosentino, this versatile, high-quality material offers some distinct advantages. Discover the primary Dekton benefits to better decide if this brand is right for your upcoming outdoor project.

Easy Outdoor Upgrades For those of us with decks and patios, a few simple outdoor living space upgrades can maximize the existing area. If you don’t have a deck or patio, don’t worry. Any porch, entryway, or balcony can be made attractive and useful. Whatever the available space, these areas can become your oasis. Here are a few easy suggestions for upgrading your favorite outdoor hangout

Creative Ways to Use Composite Decking Where’s the best place to put composite decking? If you automatically said on a deck, that’s not actually the case anymore. In today’s custom, high-end outdoor living spaces, decking is a much more versatile material. Here are four creative places to incorporate composite deck boards in your outdoor living space.

Outdoor Kitchen Countertops.  Are you interested in adding or renovating an outdoor kitchen? If so, you’re probably wondering what kind of outdoor kitchen countertops are best. Here’s a quick breakdown of the pros and cons of four of the industry’s most popular options.

Should You Regularly Power Wash Your Deck?  Are you overwhelmed by the dirt and grime that accumulate on your deck? Has a mysterious gunk on the deck’s surface started to ruin your outdoor space’s once-beautiful appearance? You might be tempted to resolve the issue by taking a power washer to your deck and aggressively spraying it down. If that's you, put down the sprayer and walk away. Power washers can actually do more harm than good for most deck materials.

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Take the first step today

Simply fill out one of our forms, call us at 301-875-2781, or email us at