Roofing permits in Sammamish: fees, timeline & requirements (2026)

Everything you need to know about pulling a roofing / re-roof permit in Sammamish, Washington — when one is required, what it costs, how long review takes, what documents are required, and which inspections you can expect. Cited to Sammamish Community Development.

Look up your Sammamish address

Free lookup, no account needed — the office that issues the permit at your address, cited to Sammamish's source.

Permit required?
Permit if: roof sheathing removed or replaced · a different roofing material (not in-kind) · rafters, trusses or pitch changed.
Permit fee
Where a re-roof needs a permit in Sammamish, the single-family re-roof permit is a $269 flat fee.
Review timeline
Not published by the city · OTC eligible

When does a re-roof need a permit in Sammamish?

Reroofing a house in kind needs no permit if no sheathing is removed or replaced; replacing sheathing, changing the roofing material, or framing work does.

How Sammamish adopted this rule

The threshold comes from the state code (WAC 51.51), which Sammamish adopts by reference in the provision quoted below.

“The 2021 Edition of the International Residential Code, as adopted by the State Building Code Council in Chapter 51-51 WAC, as published by the International Code Council, including Appendix Q, Tiny Houses, and excluding Chapters 1, 11 and 25 through 43, is hereby adopted by the City of Sammamish”
Source ↗verified 2026-10-02

Required submittals

  • Scope description
  • Manufacturer underlayment + flashing details

Inspection sequence

  1. Mid-roof / underlayment
  2. Final

Contractor specialties needed

General contractor

Who can do this work in Sammamish?

Kolmo Construction is a licensed Washington general contractor — KOLMOL*753JS, active through April 10, 2027, bonded and insured — working throughout Sammamish and King County. Kolmo prepares the drawings and submittals, files the roofing / re-roof permit with Sammamish Community Development, carries the project through review and inspections, and performs the construction. Call (206) 410-5100 for a Sammamish roofing / re-roof quote.

Notes & caveats

Underlayment per R905. Ice/water shield required (most WA climate zones) at eaves + valleys (R905.1.2). Cool-roof / WSEC R-value of insulation may be triggered if removing decking.

How to apply yourself

  1. 1. Check who issues the permit. Run an address lookup for your re-roof in Sammamish — we'll confirm which office issues the permit at that address.
  2. 2. Assemble submittals: the 2 documents under Required submittals above.
  3. 3. Submit through the city portal: Sammamish Community Development ↗
  4. 4. Track review. Respond to reviewer comments promptly.
  5. 5. Pay issuance fees (Sammamish's fee schedule sets them) and pick up the permit. Inspection card travels with the job.

Or have Kolmo do it

Kolmo prepares the drawings and submittals, files with Sammamish Community Development, handles reviewer comments, and builds the project.

(206) 410-5100

Licensed WA general contractor KOLMOL*753JS · bonded & insured

Roofing permits in Sammamish — FAQ

When does a re-roof need a permit in Sammamish?

Reroofing a house in kind needs no permit if no sheathing is removed or replaced; replacing sheathing, changing the roofing material, or framing work does.

How much does a roofing / re-roof permit cost in Sammamish?

Where a re-roof needs a permit in Sammamish, the single-family re-roof permit is a $269 flat fee. The City adds a 15% technology fee to each fee (2026 Fee Schedule). Apply via https://mybuildingpermit.com.