Demolition permits in Issaquah: fees, timeline & requirements (2026)
Everything you need to know about pulling a demolition permit in Issaquah, Washington — when one is required, what it costs, how long review takes, what documents are required, and which inspections you can expect. Cited to Community Planning & Development.
Free lookup, no account needed — your lot polygon, zoning, setbacks and overlays, cited to Issaquah's source.
When does a demolition need a permit in Issaquah?
2021 IBC Section 105.1 + WA-adopted IRC R105.1: demolition of any structure or portion thereof requires a permit. Tear-out of interior finishes only is generally treated as alteration. Asbestos / lead notification often required separately under WAC 173-303 / 296-62.
How Issaquah adopted this rule
The threshold comes from the state code (WAC 51.51), which Issaquah adopts by reference in the provision quoted below.
“The 2021 Edition of the International Residential Code (IRC), as published by the International Code Council and adopted by the State Building Code Council in Chapter 51-51 WAC, excluding Chapter 1, “Scope and Administration,” Chapter 11 and Chapters 25 through 43, is adopted”Source ↗verified 2026-10-02
Required submittals
- Site plan
- Utility disconnect confirmations
- Asbestos survey (pre-1981 structures)
- Erosion / sediment control plan
- Haul route if structure >1500 sqft
Inspection sequence
- Pre-demo (utilities + erosion)
- Mid-demo if multi-day
- Final site stabilization
Contractor specialties needed
General contractor
Who can do this work in Issaquah?
Kolmo Construction is a licensed Washington general contractor — KOLMOL*753JS, active through April 10, 2027, bonded and insured — working throughout Issaquah and King County. Kolmo prepares the drawings and submittals, files the demolition permit with Community Planning & Development, carries the project through review and inspections, and performs the demolition. Call (206) 410-5100 for an Issaquah demolition quote.
Notes & caveats
Disconnect notices required from utilities (gas, electric, water, sewer) before issuance. Erosion control plan required where soil is disturbed. Bonded contractor typically required. Site stabilization + capped sewer line at completion.
How to apply yourself
- 1. Confirm your parcel's zoning & overlays. Run an address lookup for your demolition in Issaquah — we'll pull your specific lot polygon, zoning, setbacks, and any shoreline, critical-area or historic overlays.
- 2. Assemble submittals: the 5 documents under Required submittals above.
- 3. Submit through the city portal: Community Planning & Development ↗
- 4. Track review. Respond to reviewer comments promptly.
- 5. Pay issuance fees (Issaquah'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 Community Planning & Development, handles reviewer comments, and does the demolition.
Licensed WA general contractor KOLMOL*753JS · bonded & insured
Demolition permits in Issaquah — FAQ
When does a demolition need a permit in Issaquah?
2021 IBC Section 105.1 + WA-adopted IRC R105.1: demolition of any structure or portion thereof requires a permit. Tear-out of interior finishes only is generally treated as alteration. Asbestos / lead notification often required separately under WAC 173-303 / 296-62.
How much does a demolition permit cost in Issaquah?
Issaquah's demolition permit is $410.80 on its Site Work and Utility Permit Fee Schedule (effective April 7, 2026), with the City's technology surcharge added (IMC 3.66.020). Apply via https://mybuildingpermit.com.