Roofer in Seattle, WA: written quotes on one scope

For a Seattle roofing job, start with the building type and whether you propose a recover or a full replacement; the city affidavit names both. Describe existing layers, roof openings, leaks and deck condition in your written scope, alongside permit responsibility.

InstaBids is an AI-run marketplace for homeowners and property managers: describe a home job once, by chat or through your own AI assistant, add photos, and get multiple written quotes on the same scope, compared apples to apples, with no phone calls or home visits before you pick.

By InstaBids editorial team with AI research agents. Sources read: 17 October 2026 Latest source read: 2 November 2026 Updated 2026-11-03

Describe it onceBy chat, or through your own AI assistant, and add photos.
Post it and send itContractors bid in writing on that scope.
Compare line by lineEvery quote is written against the same scope.
You chooseContact details stay hidden until you pick and they confirm.

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Key facts for hiring a roofer in Seattle

Seattle housing has a broad mix of construction periods; request the roof installation history separately from the building age.Census housing construction periods (read 2026-10-17).
Ask the scope to identify the flashing work around the roof penetrations named in the city provision below.Seattle Residential Code, Roof Assemblies (read 2026-11-02).

How to get written quotes on one scope

Describe the job once, using the scope checklist below, built from what we found for Seattle.
Post it on InstaBids and send it.
Every quote is written against the same scope, so they compare line by line.
You choose who gets your number.
Your AI assistant can help you write it: InstaBids works as a connector in Claude and in any MCP client, added by URL with your InstaBids sign-in, and a ChatGPT app is coming. You send the request yourself. Connect an assistant

Your written scope for a roofing job in Seattle

For a Seattle roof inspection, ask for photographs of the existing deck, an account of the covering layers, and a plan for where replacement materials will be staged. Use the city structural-load provision in the permit section as the reference for discussing the assessment.Seattle Residential Code, R908.2 (read 2026-11-02).

Ask the inspection notes to locate leaks relative to parapets, wall intersections and roof penetrations, so the written scope can identify the flashing details to examine. The city flashing provision is quoted in the permit section.Seattle Residential Code, R903.2 (read 2026-11-02).

Roof covering, roof area and how many layers come off
If your home was built before 1980, ask how damaged decking is handled
Whether the Seattle permit exemption quoted below covers your job, or the job needs a permit
Whether the general rule Seattle's document quoted below sets out applies to your job, and who applies for the permit if it does
Removal and disposal of the old parts or materials
Warranty terms on parts and labor, in writing

Do you need a permit for a roofing job in Seattle?

Seattle's permit document “Roof Replacement Affidavit” (read 2 November 2026): “Per Seattle Building Code (SBC) 106.2 #13, the permit process does not apply to: • Roof recover (install new roof cover over existing) => exempt from permit • Roof replacement for single family, duplex, or townhouse (SBC or SRC) => exempt from permit • Patching/replacement of roofing < 500 square feet in any 6 month period => exempt from permit”. Open Seattle's source document

Seattle's permit document “2021 Seattle Residential Code, Chapter 9: Roof Assemblies” (read 2 November 2026): “R903.2 Flashing. Flashings shall be installed in a manner that prevents moisture from entering the wall and roof through joints in copings, through moisture permeable materials and at intersections with parapet walls and other penetrations through the roof plane.” Open Seattle's source document

Seattle's permit document “2021 Seattle Residential Code, Chapter 9: Roof Assemblies” (read 2 November 2026): “R908.2 Structural and construction loads. The structural roof components shall be capable of supporting the roof covering system and the material and equipment loads that will be encountered during installation of the roof covering system.” Open Seattle's source document

What license does a roofer need in Seattle?

Washington L&I uses construction-contractor registration as the state process. After you pick a Seattle roofer, open the state registration source and public lookup; search by the chosen business name or UBI and read the registration record.Washington L&I contractor registration (read 2026-11-02). Public lookup

Washington license lookup guide

Roof replacement Seattle

Seattle housing is not all from the same building period: ACS 2020-2024 estimates that 38.4% of city housing units were built in 1959 or earlier, with a 90% margin of error of 0.7 percentage points. Request the installation date of the current roof and descriptions of earlier repairs before defining the replacement work.Census ACS housing construction periods (read 2026-10-17).

For replacement work, ask the written scope to describe the flashing treatment at each existing wall junction and penetration shown in the roof assessment. Compare that description against the Seattle flashing provision quoted in the permit section.Seattle Residential Code, R903.2 (read 2026-11-02).

Seattle housing has a median construction year of 1976.

Ask how the quote handles damaged decking; housing age is not roof age.

Median hourly wage for Roofers in the Seattle-Tacoma-Bellevue, WA area, May 2025: $30.81 (U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics).

This is what workers in this occupation are paid per hour. It is not what a contractor charges for a job.

How does InstaBids work?

InstaBids does not hold payment for the work; you pay the contractor directly on the terms of the bid you accepted.

How is InstaBids different?

Each bidder appears under a stable label such as Contractor A, so you judge the work, not the brand.

Contact details stay hidden until the homeowner picks a contractor and they confirm the connection.

The contact-detail filter can miss disguised contact details.

Sources for the facts on this page

Seattle permit document “Roof Replacement Affidavit”, read 2 November 2026: www.seattle.gov
Seattle permit document “2021 Seattle Residential Code, Chapter 9: Roof Assemblies”, read 2 November 2026: www.seattle.gov
lni.wa.gov, read 2 November 2026: lni.wa.gov
U.S. Census Bureau, American Community Survey 5-year (B25035), ACS 5-year 2020-2024, read 17 October 2026: api.census.gov
BLS Occupational Employment and Wage Statistics (series OEUM004266000000047218108), May 2025, read 17 October 2026: api.bls.gov
U.S. Census Bureau, American Community Survey 5-year (B25034), ACS 5-year 2020-2024, read 17 October 2026: api.census.gov

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.