Build or Replace Cost in Seattle, WA in 2026
Most Build or Replace projects in Seattle, WA cost between $8,500 and $29,000. The typical price is $15,500.
Labour and materials in Seattle run about 20% above the national average. These figures are adjusted for that, so they are not the national average you will find elsewhere.
What drives the price
- Pressure-treated pine versus composite versus hardwood
- Height off the ground and stair count
- Railing material
- Footing depth required by frost line
Usually included
- Footings, framing and decking
- Railings and stairs
- Fasteners and flashing at the ledger
Usually extra
- Permits
- Under-deck drainage
- Built-in seating or pergola
Unit prices in Seattle, WA
| Quality tier | Cost per sq ft |
|---|---|
| Budget | $28 |
| Mid-range | $51 |
| High-end | $96 |
Deck builders in Seattle, WA
Businesses listed on Google near Seattle, WA. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
Gibson Fence and Deck
4.9(131 reviews)
2108 SW 152nd St Ste G, Burien, WA 98166
Intercrus Decks LLC
5.0(106 reviews)
545 28th Ave, Seattle, WA 98122
Gibson Fence and Deck
5.0(85 reviews)
4841 W Marginal Wy SW, Seattle, WA 98106
Olympic Decks
4.8(98 reviews)
1546 NW 56th St Unit 771, Seattle, WA 98107
Decks by Northwest
5.0(49 reviews)
2003 SE Maple Valley Hwy Ste. 209, Renton, WA 98057
Gibson Fence and Deck
5.0(49 reviews)
1423 10th Ave office 5, Seattle, WA 98122