Plumbing permits in City of Renton: fees, timeline & requirements (2026)
Everything you need to know about pulling a plumbing permit in City of Renton, Washington — when one is required, what it costs, how long review takes, what documents are required, and which inspections you can expect. Cited to Renton uses TRAKiT permits portal..
Free lookup, no account needed — your lot polygon, zoning, setbacks and overlays, cited to City of Renton's source.
When does a plumbing need a permit in City of Renton?
New or rearranged piping requires a plumbing permit; stopping/repairing leaks and clearing stoppages are exempt, but removing and replacing a defective concealed trap, drain, water, soil, waste, or vent pipe is "new work" requiring a permit.
In the source's own words
“The stopping and/or repairing of leaks in drains, water, soil, waste or vent pipe; provided, however, that should any concealed trap, drain pipe, water, soil, waste or vent pipe become defective and it becomes necessary to remove and replace the same with new material, the same shall be considered as new work and a permit shall be obtained.”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 Renton?
Kolmo Construction is a licensed Washington general contractor — KOLMOL*753JS, active through April 10, 2027, bonded and insured — working throughout City of Renton and King County. Kolmo prepares the drawings and submittals, files the plumbing permit with Renton uses TRAKiT permits portal., carries the project through review and inspections, and performs the construction. Call (206) 410-5100 for a City of Renton 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 Renton 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: Renton uses TRAKiT permits portal. ↗
- 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. Apply via https://permits.rentonwa.gov.) and pick up the permit. Inspection card travels with the job.
Or have Kolmo do it
We pull plumbing permits in City of Renton every month. We prepare the drawings and submittals, file with Renton uses TRAKiT permits portal., handle reviewer comments, and build the project.
Licensed WA general contractor KOLMOL*753JS · bonded & insured
Plumbing permits in City of Renton — FAQ
When does a plumbing need a permit in City of Renton?
New or rearranged piping requires a plumbing permit; stopping/repairing leaks and clearing stoppages are exempt, but removing and replacing a defective concealed trap, drain, water, soil, waste, or vent pipe is "new work" requiring a permit.
How much does a plumbing permit cost in City of Renton?
Current fee per the City of Renton fee schedule: Plumbing permit fees are set by fixture count in the city's fee schedule. Apply via https://permits.rentonwa.gov.. Plus ancillary plan-review/tech-surcharge fees per city schedule.