High Quality Service and Materials

We're your go-to deck contractor for new deck construction, deck replacement, and outdoor living space renovation in Sammamish, WA.

Deck Design Services

Our sales and engineer staff will help you understand your options and craft your vision so we can build it.

Bellevue deck overlooking Seattle with cable railing.

We're your deck contractor in Sammamish

To learn more about our Washington deck building services in Sammamish and King County, call us at (425) 505-5282

Bellevue deck balcony looking down at the lower level Seattle skyline in the background.

High quality deck materials

Decking products

View our Trex decking materials page to view decking options.

Railing products

We can help you decide on deck and railing materials, calculate the amount of materials you need, and deliver them to your home.

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.

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!

With a 3 Brothers deck, your home's value, function, and style will be significantly improved.

Schedule your free quote
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Need other home services?

Rocky West Exteriors provides roofing, siding, and other exterior services in Spokane and North Idaho

Maisy Rails installs stainless steel cable railing for decks, balconies, and more in the Seattle area.

MaisyRailing.com sells railing cables and fasteners for contractors and DIYers.

Bellevue high balcony deck in the trees with steel cable railing.
Base Color
Trex Spiced Rum
Trim Color
Trex Tiki Torch
We're your Trex PRO
  • 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.

Bellevue, WA

Greater Seattle Area

Coeur d'Alene, ID

Sandpoint, ID

We’re your number one resource for building a deck in Western Washington and North Idaho. Find your service area: Bellevue, WA; Greater Seattle Area; Coeur d’Alene, Idaho; Sandpoint, Idaho

Dog standing on finished balcony deck