Plumbing permits in City of Federal Way: fees, timeline & requirements (2026)
Everything you need to know about pulling a plumbing permit in City of 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 Apply via MyBuildingPermit.com..
Free lookup, no account needed — your lot polygon, zoning, setbacks and overlays, cited to City of Federal Way's source.
When does a plumbing need a permit in City of 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 2026-09-24
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
plumbing
Who can do this work in City of Federal Way?
Kolmo Construction is a licensed Washington general contractor — KOLMOL*753JS, active through April 10, 2027, bonded and insured — working throughout City of Federal Way and King County. Kolmo prepares the drawings and submittals, files the plumbing permit with Apply via MyBuildingPermit.com., carries the project through review and inspections, and performs the construction. Call (206) 410-5100 for a City of 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. Confirm your parcel's zoning & overlays. Run an address lookup for your City of Federal Way plumbing — we'll pull your specific lot polygon, zoning, setbacks, and any shoreline/ECA/historic overlays.
- 2. Assemble submittals (3).
- 3. Submit through the city portal: Apply via MyBuildingPermit.com. ↗
- 4. Track review. Respond to reviewer comments promptly.
- 5. Pay issuance fees (Plumbing permit fees are set by fixture count in the city's fee schedule.) and pick up the permit. Inspection card travels with the job.
Or have Kolmo do it
We pull plumbing permits in City of Federal Way every month. We prepare the drawings and submittals, file with Apply via MyBuildingPermit.com., handle reviewer comments, and build the project.
Licensed WA general contractor KOLMOL*753JS · bonded & insured
Plumbing permits in City of Federal Way — FAQ
When does a plumbing need a permit in City of 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 City of Federal Way?
Current fee per the City of Federal Way fee schedule: Plumbing permit fees are set by fixture count in the city's fee schedule.. Plus ancillary plan-review/tech-surcharge fees per city schedule.