FRS Remodeling Seattle
Serving Seattle & Vancouver WA
Licensed, Bonded & Insured
(206)-608-0122
Seattle's summers are spectacular—warm, sunny, and perfect for outdoor living. A well-built deck maximizes those precious months. But building a deck in the Pacific Northwest requires careful planning for the other nine months of the year.
At FRS Remodeling Seattle, our carpentry team has built dozens of decks throughout Seattle and King County. Here is what every homeowner should know before they start.
In Seattle, most decks require a building permit from the Seattle Department of Construction and Inspections (SDCI). Generally, a permit is required when:
Our team handles the permit process from start to finish, ensuring your deck meets Seattle's IRC-based building codes and passes inspections without delays.
Your decking material choice is the single most important decision you will make, especially in Seattle's wet climate.
A well-built composite deck transforms your Seattle backyard into a year-round retreat.
Composite Decking (Our #1 Recommendation for Seattle)
Composite decking—brands like Trex, TimberTech, and Fiberon—is made from recycled wood fibers and plastic. It is engineered to resist moisture, mold, and UV damage. It will not splinter, warp, or require annual sealing. The 25–30 year lifespan and manufacturer warranties make it by far the most cost-effective choice for Seattle decks over the long term.
Ipe (Brazilian Hardwood)
For homeowners who insist on real wood, Ipe is the gold standard. It is one of the densest, hardest tropical hardwoods available, naturally resistant to rot, insects, and decay. It has a stunning natural beauty that ages gracefully. The cost is significantly higher than composite, but so is the visual reward.
Pressure-Treated Pine
The most affordable wood option. Modern pressure-treated lumber is preserved with ACQ (alkaline copper quaternary) for rot and insect resistance. It must be allowed to fully dry for 6 months before staining. When properly maintained, it can serve well for 10–15 years on a Seattle deck.
A beautiful deck will fail if the structural foundation is poorly executed. In Seattle's clay-heavy soil, proper concrete footings poured below the frost line and excellent water drainage beneath the deck are essential. Water that pools under the deck damages the structure and makes the area unusable. We always design decks with proper slope and drainage channels to manage Seattle's rainfall effectively.
One of the most valuable upgrades for a Seattle deck is adding a pergola, patio cover, or full roof structure over it. This transforms it from a seasonal space (usable only in summer) into a year-round outdoor living area. While this adds to the project cost, a covered deck dramatically increases the usable hours per year and the perceived value of the space for Seattle buyers.
Our Seattle deck construction team handles everything from design and permitting to the final coat of stain. Contact us for a free, detailed estimate.