It’s time for a home siding upgrade that not only turns the neighbors green with envy but also protects your property for years to come.




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Stylish options with long warranties
- Composite decking boards, railing systems, metal deck framing, exterior lighting fixtures.
- 25 year warranties on Trex materials.
- 10 year warranty on labor in case of repair.
- Trex products contained 95% recycled-content.
- Best composite decking on the market.
- Made in America.
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LIC: #3BROTBD817J6
Monday-Saturday 7am-7pm
We're your deck builder and exterior renovator
When it comes to building a deck, you want 3 Brothers Decking. We proudly serve Western Washington, including the Greater Seattle Area, and Northern Idaho with deck installation that brings safety, strength, and style to your outdoor living space. Our design and build services bring knowledge, experience, and top-notch service to you at a competitive price.
With a 3 Brothers deck, your home's value, function, and style will be significantly improved. We'll be there for you every step of the way: we can help you budget, design, build, and decorate the outdoor space of your dreams!

Watch our deck videos
Check out our recent deck contracting projects in Washington and Idaho. You might discover some ideas for your future outdoor living space!
Need other home construction services?
Rocky West Exteriors provides roofing, siding, and other exterior services in Spokane and North Idaho.
Maisy Rails installs frameless glass railing and stainless steel cable railing for decks, balconies, and more in the Seattle area.
MaisyRailing.com sells railing cables and fasteners for contractors and DIYers.

Deck Railing Installation
We have many styles of railing available for installation. Frameless glass railing for optimal see-through and safety. Cable railing for a modern look. Picket railing for a classic look, and more.
Latest Blog Posts

New balcony construction showcase with frameless glass railing overlooking the lake.

Check out this full composite deck in Gig Harbor with a bench to match and safety gates on the stairs down to the beach.

Learn why frameless glass railing is the best choice for your deck or balcony and see some examples of how we can install these modern railings on your deck.

A wood-covered deck can be a beautiful and cozy addition to any home, providing a way to enjoy the outdoors comfortably even when the weather isn’t perfect.

If you are looking for a stylish outdoor deck with an awning in Bellevue, then you need to take a look at this home which was completely transformed. Find out more here.

Why Choose 3BD?
We offer exceptional delivery on installation quality and customer service. We specialize in building materials of unmatched quality and construction that makes you feel like your luxury outdoor living dreams have come true.
Deck Construction
We build decks, balconies, awnings, gazebos, and more in the Greater Seattle Area. High quality decks made from high quality deck materials.
New Deck ConstructionDeck Railing
We manufacture and install custom railing systems for your outdoor living space. Safe and stylish steel cable and aesthetic natural wood railing systems.
Railing InstallationDeck Covers
Extending your roof or building an awning over your deck creates a safe covered space in all seasons, especially winter and summer.
Deck Cover InstallationDeck Lighting
Light up your outdoor living space with waterproof, durable, and energy efficient custom exterior lighting.
Lighting Installation