Bathroom remodel permits in Kent: fees, timeline & requirements (2026)
Everything you need to know about pulling a bathroom remodel permit in Kent, Washington — when one is required, what it costs, how long review takes, what documents are required, and which inspections you can expect. Cited to Kent Economic and Community Development.
Free lookup, no account needed — your lot polygon, zoning, setbacks and overlays, cited to Kent's source.
When does a bathroom remodel need a permit in Kent?
Replacing plumbing or fixtures in the same location without removing surfaces (gypsum, framing) is treated as minor plumbing work; opening surfaces or rearranging fixtures requires a permit.
In the source's own words
“For removing or replacing plumbing or fixtures in the same location without removal of any surfaces such as gypsum, framing, etc.”Source ↗verified 2026-05-29
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 contractor · Plumber
Who can do this work in Kent?
Kolmo Construction is a licensed Washington general contractor — KOLMOL*753JS, active through April 10, 2027, bonded and insured — working throughout Kent and King County. Kolmo prepares the drawings and submittals, files the bathroom remodel permit with Kent Economic and Community Development, carries the project through review and inspections, and performs the construction. Call (206) 410-5100 for a Kent 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 estimate in Kent
Worked example for a $22,000 bathroom remodel project (building permit). Your actual fee scales with project valuation.
| Building permit fee | $786.95 |
| Plan review | $511.52 |
| Technology surcharge | $38.95 |
| WA state surcharge | $6.50 |
| Estimated total | $1,343.92 |
Kent prices a bathroom remodel's building permit on the value of the work: $52.82 up to $500, $52.82 for the first $500 plus $6.88 for each $100 more up to $2,000, and $155.95 for the first $2,000 plus $31.55 for each $1,000 more up to $25,000, then $881.32 for the first $25,000 plus $22.75 for each $1,000 more up to $50,000. Intake fees are billed once the submittal is complete, and the rest before the permit issues. The plumbing and mechanical permits are priced separately, and the City's posted fee documents (its 2026 building permit fee table and land use fees) list neither, so the Permit Center (253-856-5300) quotes them. Electrical permits come from L&I, at L&I's fees. Apply through the City of Kent Permit Portal (sso.kentwa.gov). Computed from Kent'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. Confirm your parcel's zoning & overlays. Run an address lookup for your Kent 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: Kent Economic and Community Development ↗
- 4. Track review. Respond to reviewer comments promptly.
- 5. Pay issuance fees (about $1,344 for a $22,000 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 Kent Economic and Community Development, handles reviewer comments, and builds the project.
Licensed WA general contractor KOLMOL*753JS · bonded & insured
Bathroom remodel permits in Kent — FAQ
When does a bathroom remodel need a permit in Kent?
Replacing plumbing or fixtures in the same location without removing surfaces (gypsum, framing) is treated as minor plumbing work; opening surfaces or rearranging fixtures requires a permit.
How much does a bathroom remodel permit cost in Kent?
For a $22,000 bathroom remodel project, the estimated Kent permit fee is about $1,343.92 (building fee $786.95 + plan review $511.52 + surcharges) from Kent's adopted fee schedule. Land use, fire and engineering review, intake, impact and utility fees, where they apply, are charged separately.