Plumbing permits in Federal Way: fees, timeline & requirements (2026)
Everything you need to know about pulling a plumbing permit in Federal Way, Washington — when one is required, what it costs, how long review takes, what documents are required, and which inspections you can expect. Cited to Federal Way Department of Community Development.
Free lookup, no account needed — the office that issues the permit at your address, cited to Federal Way's source.
When does plumbing work need a permit in Federal Way?
Plumbing work requires a permit except minor repairs — stopping leaks in drain/water/soil/waste/vent pipe and clearing stoppages or repairing leaks in pipes, valves, or fixtures are exempt. Federal Way adopts UPC 2021.
In the source's own words
“The stopping of leaks in drains, water, soil, waste, or vent pipe.”Source ↗verified 2026-05-29
Required submittals
- Fixture count + DFU calc for repipes
- Water heater specs
- Sewer line plan if site work involved
Inspection sequence
- Rough-in / pressure test
- Final
Contractor specialties needed
Plumber
Who can do this work in Federal Way?
Kolmo Construction is a licensed Washington general contractor — KOLMOL*753JS, active through April 10, 2027, bonded and insured — working throughout Federal Way and King County. Kolmo manages the plumbing job from start to finish: a licensed plumbing contractor performs the work and pulls the permit, and Kolmo coordinates the scope, schedule, inspections and any related construction. Call (206) 410-5100 for a Federal Way plumbing quote.
Notes & caveats
Water heater: T&P relief, expansion tank required if pressure >80psi or check valve installed. Sewer line: cleanouts at every 100ft + change of direction. Backwater valve required in flood zones.
How to apply yourself
- 1. Check who issues the permit. Run an address lookup for your plumbing work in Federal Way — we'll confirm which office issues the permit at that address.
- 2. Assemble submittals: the 3 documents under Required submittals above.
- 3. Submit through the city portal: Federal Way Department of Community Development ↗
- 4. Track review. Respond to reviewer comments promptly.
- 5. Pay issuance fees (Federal Way's fee schedule sets them) and pick up the permit. Inspection card travels with the job.
Or have Kolmo do it
Kolmo runs the job: a licensed plumbing contractor does the plumbing work and pulls the permit, and Kolmo coordinates the scope, schedule, inspections and any related construction.
Licensed WA general contractor KOLMOL*753JS · bonded & insured
Plumbing permits in Federal Way — FAQ
When does plumbing work need a permit in Federal Way?
Plumbing work requires a permit except minor repairs — stopping leaks in drain/water/soil/waste/vent pipe and clearing stoppages or repairing leaks in pipes, valves, or fixtures are exempt. Federal Way adopts UPC 2021.
How much does a plumbing permit cost in Federal Way?
Federal Way prices a plumbing permit on the installation's value off Valuation Table A: $89.54 up to $1,000, and $157.11 for the first $2,000 plus $33.68 for each $1,000 more up to $25,000; plan review, where plans are reviewed, is 65% of the plumbing permit fee. A new single-family house's plumbing permit and plan review is a $544 flat fee. Each permit carries the automation fee, the greater of $43 or 5% of the permit fee (2026 Fee Schedule).