Bathroom remodel permits in City of Issaquah: fees, timeline & requirements (2026)
Everything you need to know about pulling a bathroom remodel permit in City of 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 City of Issaquah's source.
When does a bathroom remodel need a permit in City of Issaquah?
Tub and shower replacement requires a permit; sink/toilet replacement without plumbing-line modification is exempt. Processed under the Single-Family Interior Remodel permit.
In the source's own words
“Bathroom and kitchen fixture replacements without plumbing line modifications such as sinks and toilets (Note: Tub and shower replacement does require a permit.)”Source ↗verified 2026-09-24
Required submittals
- floor plan with fixture locations
- plumbing diagram
- electrical layout
- waterproofing detail at tub/shower
Inspection sequence
- rough-in (electrical/plumbing/mechanical)
- shower-pan/waterproofing
- insulation if walls opened
- drywall
- final
Contractor specialties needed
general, plumbing, mechanical
Who can do this work in City of Issaquah?
Kolmo Construction is a licensed Washington general contractor — KOLMOL*753JS, active through April 10, 2027, bonded and insured — working throughout City of Issaquah and King County. Kolmo prepares the drawings and submittals, files the bathroom remodel permit with Community Planning & Development, carries the project through review and inspections, and performs the construction. Call (206) 410-5100 for a City of Issaquah bathroom remodel quote.
Notes & caveats
2021 IRC R105.1. GFCI/AFCI required at bathroom outlets per NEC 210.8 + WA amendments. Exhaust fan must vent to exterior (IRC R303). Tile shower waterproofing inspection required (PMG-001 / TCNA-aligned).
Bathroom remodel permit fee — Washington baseline, not City of Issaquah's own schedule
Worked example for a $22,000 bathroom remodel project (building permit). Your actual fee scales with project valuation.
| Building permit fee | $349.25 |
| Plan review | $227.01 |
| WA state surcharge | $6.5 |
| Estimated total | $582.76 |
Fees set by jurisdiction. Plus separate electrical, plumbing, and mechanical permits. Apply via https://mybuildingpermit.com. We have not read City of Issaquah's adopted fee schedule, so this is not City of Issaquah's fee: it walks the standard valuation table most Washington cities adopt by reference, as a rough guide. The real numbers are in City of Issaquah's fee schedule ↗. 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 Issaquah bathroom remodel — we'll pull your specific lot polygon, zoning, setbacks, and any shoreline/ECA/historic overlays.
- 2. Assemble submittals (4).
- 3. Submit through the city portal: Community Planning & Development ↗
- 4. Track review. Respond to reviewer comments promptly.
- 5. Pay issuance fees (Fees set by jurisdiction. Plus separate electrical, plumbing, and mechanical permits. Apply via https://mybuildingpermit.com.) and pick up the permit. Inspection card travels with the job.
Or have Kolmo do it
We pull bathroom remodel permits in City of Issaquah every month. We prepare the drawings and submittals, file with Community Planning & Development, handle reviewer comments, and build the project.
Licensed WA general contractor KOLMOL*753JS · bonded & insured
Bathroom remodel permits in City of Issaquah — FAQ
When does a bathroom remodel need a permit in City of Issaquah?
Tub and shower replacement requires a permit; sink/toilet replacement without plumbing-line modification is exempt. Processed under the Single-Family Interior Remodel permit.
How much does a bathroom remodel permit cost in City of Issaquah?
For a $22,000 bathroom remodel project, the estimated City of Issaquah permit fee is about $582.76 — building fee $349.25 + plan review $227.01 + surcharges. Fees scale with project valuation per the city schedule.