Siding permits in City of Seattle: fees, timeline & requirements (2026)
Everything you need to know about pulling a siding permit in City of Seattle, Washington — when one is required, what it costs, how long review takes, what documents are required, and which inspections you can expect. Cited to Seattle Department of Construction & Inspections (SDCI).
Free lookup, no account needed — your lot polygon, zoning, setbacks and overlays, cited to City of Seattle's source.
When does a siding need a permit in City of Seattle?
Seattle Residential Code R105.2 item 10 exempts siding replacement from a building permit: "Replacement of siding. This shall not include structural changes, replacement of sheathing or alteration to doors and windows." A permit is needed when the job changes structure, replaces sheathing, or alters doors or windows. Item 10 refers insulation to Energy Code R503.1.1, Exceptions 2 and 3.
From City of Seattle's own code
“Replacement of siding. This shall not include structural changes, replacement of sheathing or alteration to doors and windows.”Source ↗verified 2026-09-24
Required submittals
- if permit required: WRB + flashing details, fastener schedule, WSEC continuous insulation calc
Inspection sequence
- WRB / flashing inspection (if permit required)
- final
Contractor specialties needed
general
Who can do this work in City of Seattle?
Kolmo Construction is a licensed Washington general contractor — KOLMOL*753JS, active through April 10, 2027, bonded and insured — working throughout City of Seattle and King County. Kolmo prepares the drawings and submittals, files the siding permit with Seattle Department of Construction & Inspections (SDCI), carries the project through review and inspections, and performs the construction. Call (206) 410-5100 for a City of Seattle siding quote.
Notes & caveats
WRB + flashing details inspected if a permit is issued. ECA proximity may trigger additional review.
Siding permit fee estimate in City of Seattle
Worked example for a $18,000 siding project (building permit). Your actual fee scales with project valuation.
| Building permit fee | $597 |
| Plan review | $238.8 |
| Technology surcharge | $41.79 |
| WA state surcharge | $6.5 |
| Estimated total | $884.09 |
Often exempt. If permit required, Subject-to-Field-Inspection. Computed from the City of Seattle fee bracket schedule · source ↗. Impact/utility fees may apply separately.
How to apply yourself
- 1. Confirm your parcel's zoning & overlays. Run an address lookup for your City of Seattle siding — we'll pull your specific lot polygon, zoning, setbacks, and any shoreline/ECA/historic overlays.
- 2. Assemble submittals (1).
- 3. Submit through the city portal: Seattle Department of Construction & Inspections (SDCI) ↗
- 4. Track review. Respond to reviewer comments promptly.
- 5. Pay issuance fees (Often exempt. If permit required, Subject-to-Field-Inspection.) and pick up the permit. Inspection card travels with the job.
Or have Kolmo do it
We pull siding permits in City of Seattle every month. We prepare the drawings and submittals, file with Seattle Department of Construction & Inspections (SDCI), handle reviewer comments, and build the project.
Licensed WA general contractor KOLMOL*753JS · bonded & insured
Siding permits in City of Seattle — FAQ
When does a siding need a permit in City of Seattle?
Seattle Residential Code R105.2 item 10 exempts siding replacement from a building permit: "Replacement of siding. This shall not include structural changes, replacement of sheathing or alteration to doors and windows." A permit is needed when the job changes structure, replaces sheathing, or alters doors or windows. Item 10 refers insulation to Energy Code R503.1.1, Exceptions 2 and 3.
How much does a siding permit cost in City of Seattle?
For a $18,000 siding project, the estimated City of Seattle permit fee is about $884.09 — building fee $597 + plan review $238.8 + surcharges. Fees scale with project valuation per the city schedule.