Bathroom remodel permits in Redmond: fees, timeline & requirements (2026)
Everything you need to know about pulling a bathroom remodel permit in Redmond, Washington — when one is required, what it costs, how long review takes, what documents are required, and which inspections you can expect. Cited to Redmond Planning and Community Development.
Free lookup, no account needed — the office that issues the permit at your address, and a layout of the room, cited to Redmond's source.
When does a bathroom remodel need a permit in Redmond?
Like-for-like fixture replacement in same location with no plumbing rerouting and no new circuits: typically exempt under 2021 IRC R105.2(2)(g). Any relocation, new fixture, new circuit, or shower-pan replacement triggers permits.
How Redmond adopted this rule
The threshold comes from the state code (WAC 51.56), which Redmond adopts by reference in the provision quoted below.
“The 2021 edition of the Uniform Plumbing Code, including Appendices A, B, I, and M, published by the International Association of Plumbing and Mechanical Officials, is hereby adopted by reference”Source ↗verified 2026-10-02
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 · Electrician (journey-level 01 or residential 02) · Plumber
Who can do this work in Redmond?
Kolmo Construction is a licensed Washington general contractor — KOLMOL*753JS, active through April 10, 2027, bonded and insured — working throughout Redmond and King County. Kolmo prepares the drawings and submittals, files the bathroom remodel permit with Redmond Planning and Community Development, carries the project through review and inspections, and performs the construction. Call (206) 410-5100 for a Redmond 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 Redmond
Worked example for a $22,000 bathroom remodel project (building permit). Your actual fee scales with project valuation.
| Building permit fee | $696.26 |
| Plan review | $452.57 |
| Technology surcharge | $45.95 |
| WA state surcharge | $6.50 |
| Estimated total | $1,201.28 |
Redmond prices a bathroom remodel's building permit on the value of the work: $46.89 up to $500, $46.89 for the first $500 plus $6.08 for each $100 more up to $2,000, $138.26 for the first $2,000 plus $27.90 for each $1,000 more up to $25,000, and $781.12 for the first $25,000 plus $20.17 for each $1,000 more up to $50,000. Plan review is 65% of that fee, and the schedule's fire fee for a residential remodel, where Fire review applies, is $796.48. Plumbing is a separate City permit, $140.71 plus $48.55 for each sink, toilet, bathtub or shower; mechanical is $140.71 plus $48.25 for the exhaust fan. The City, not L&I, issues the electrical permit: $140.71 plus $96.02 for 0 to 3 new or altered circuits, or $192.03 for more. A 4% technology surcharge applies to the total, plus the $6.50 state building code fee (2026 fee schedules). Apply through the Redmond ePermitting Service, REPS (cityofredmondwa-energovweb.tylerhost.net/
How to apply yourself
- 1. Check who issues the permit. Run an address lookup for your bathroom remodel in Redmond — we'll confirm which office issues the permit at that address, and you can lay out the room.
- 2. Assemble submittals: the 4 documents under Required submittals above.
- 3. Submit through the city portal: Redmond Planning and Community Development ↗
- 4. Track review. Respond to reviewer comments promptly.
- 5. Pay issuance fees (about $1,201 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 Redmond Planning and Community Development, handles reviewer comments, and builds the project.
Licensed WA general contractor KOLMOL*753JS · bonded & insured
Bathroom remodel permits in Redmond — FAQ
When does a bathroom remodel need a permit in Redmond?
Like-for-like fixture replacement in same location with no plumbing rerouting and no new circuits: typically exempt under 2021 IRC R105.2(2)(g). Any relocation, new fixture, new circuit, or shower-pan replacement triggers permits.
How much does a bathroom remodel permit cost in Redmond?
For a $22,000 bathroom remodel project, the estimated Redmond permit fee is about $1,201.28 (building fee $696.26 + plan review $452.57 + surcharges) from Redmond's adopted fee schedule. Land use, fire and engineering review, intake, impact and utility fees, where they apply, are charged separately.