Seattle, Washington · Deck Building
Deck Builder in Renton
Renton measures deck height a little differently from its neighbors, and it has its own thresholds for site work and set hours for construction noise. Those rules decide how much paperwork, and how early a start, a backyard deck gets.
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Typical price in Seattle: Composite deck, installed$40–$75 per sq ft of deckSource: 5 Seattle-area contractor price pages, price data from September 17, 2026
Good to know in Renton
- Source: City of Renton
Height decides whether a Renton deck needs a permit: one is required above 30 inches over grade, and the city counts grade across a 5-foot perimeter around the deck. On a sloping yard the ground within that ring can drop away, so measure it before treating a low deck as exempt.
- Source: City of Renton
Pairing the deck with a big new patio can add a second permit. Renton may require a civil construction or utility permit once a project adds more than 500 square feet of new or replaced impervious area, or disturbs more than 7,000 square feet of land.
- Source: City of Renton
Crews on a Renton single-family remodel or addition can work 7 a.m. to 10 p.m. on weekdays and 9 a.m. to 10 p.m. on weekends, which is useful to know when you agree start times with the deck pro.
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