Siding permits in Sammamish: fees, timeline & requirements (2026)
Everything you need to know about pulling a siding 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.
Free lookup, no account needed — the office that issues the permit at your address, cited to Sammamish's source.
When does siding replacement need a permit in Sammamish?
Replacing non-structural siding on a house needs no permit; stucco or EIFS, or any structural 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
- If permit required: WRB + flashing details, fastener schedule, WSEC continuous insulation calc if added
Inspection sequence
- WRB / flashing inspection
- 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 siding permit with Sammamish Community Development, carries the project through review and inspections, and performs the construction. Call (206) 410-5100 for a Sammamish siding quote.
Notes & caveats
WRB required behind all siding (IRC R703.2). Flashing at openings, kick-out flashings at roof-wall intersections (R703.4) inspected when permit issued.
Siding permit fee estimate in Sammamish
Worked example for an $18,000 siding project (building permit). Your actual fee scales with project valuation.
| Building permit fee | $566.21 |
| Plan review | $368.04 |
| Technology surcharge | $140.14 |
| WA state surcharge | $6.50 |
| Estimated total | $1,080.89 |
Where re-siding needs a permit in Sammamish, as stucco, EIFS and structural work do, the building permit is priced on the value of the work: $142.05 up to $500, and $236.77 for the first $2,000 plus $20.59 for each $1,000 more up to $25,000, with plan review at 65% of the permit fee where plans are reviewed. The City adds a 15% technology fee to each fee (2026 Fee Schedule). Apply via mybuildingpermit.com. Computed from Sammamish's adopted fee schedule · source ↗. Land use, fire and engineering review, intake, impact and utility fees, where they apply, are charged separately.
How to apply yourself
- 1. Check who issues the permit. Run an address lookup for your siding replacement in Sammamish — we'll confirm which office issues the permit at that address.
- 2. Assemble submittals: what Required submittals above lists.
- 3. Submit through the city portal: Sammamish Community Development ↗
- 4. Track review. Respond to reviewer comments promptly.
- 5. Pay issuance fees (about $1,081 for an $18,000 project) 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.
Licensed WA general contractor KOLMOL*753JS · bonded & insured
Siding permits in Sammamish — FAQ
When does siding replacement need a permit in Sammamish?
Replacing non-structural siding on a house needs no permit; stucco or EIFS, or any structural work, does.
How much does a siding permit cost in Sammamish?
For a $18,000 siding project, the estimated Sammamish permit fee is about $1,080.89 (building fee $566.21 + plan review $368.04 + surcharges) from Sammamish's adopted fee schedule. Land use, fire and engineering review, intake, impact and utility fees, where they apply, are charged separately.