Decks and Porches Cost in Sammamish, WA in 2026
Most Decks and Porches projects in Sammamish, WA cost between $8,000 and $28,000. The typical price is $14,500.
Labour and materials in Sammamish run about 13% 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 Sammamish, WA
| Quality tier | Cost per sq ft |
|---|---|
| Budget | $27 |
| Mid-range | $49 |
| High-end | $92 |
Deck builders in Sammamish, WA
Businesses listed on Google near Sammamish, WA. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
Endura Decking Co
4.9(35 reviews)
109 E Lake Sammamish Pkwy SE, Sammamish, WA 98074
Uphouse LLC
5.0(29 reviews)
22331 NE 98th St, Redmond, WA 98053
Honeycomb Deck Builders
5.0(22 reviews)
4901 NE 2nd St, Renton, WA 98059
PALBros Decking
5.0(16 reviews)
160 NW Gilman Blvd Ste 322, Issaquah, WA 98027
People Come First Construction Group
5.0(11 reviews)
24610 NE 3rd Pl, Sammamish, WA 98074
Vertex Decks
5.0(10 reviews)
13838 NE 60th St Apt 164, Redmond, WA 98052