Plumbing permits in City of Lynnwood: fees, timeline & requirements (2026)
Everything you need to know about pulling a plumbing permit in City of Lynnwood, Washington — when one is required, what it costs, how long review takes, what documents are required, and which inspections you can expect. Cited to Lynnwood uses its own permit center..
Free lookup, no account needed — your lot polygon, zoning, setbacks and overlays, cited to City of Lynnwood's source.
When does a plumbing need a permit in City of Lynnwood?
WAC 51-56 (2021 UPC) requires plumbing permit for installation, replacement, or relocation of any plumbing fixture, water heater, or piping. Like-for-like faucet replacement is exempt.
How City of Lynnwood adopted this rule
The threshold comes from the state code (WAC 51.56), which City of Lynnwood adopts by reference in the provision quoted below.
“As amended by the provisions of this chapter and the State of Washington Building Code Council under Chapters 51-56 and 51-57 WAC, the latest edition of the Uniform Plumbing Code (UPC) less Chapters 12 and 15 published by the International Association of Plumbing and Mechanical Officials, one copy of which, along with the State of Washington Building Code Council’s amendments, shall be on file with the Lynnwood city clerk, are adopted by this reference;”Source ↗verified 2026-04-26
What City of Lynnwood says in its own permit handout
From Plumbing Checklist, published by City of Lynnwood. This is the jurisdiction's own guidance on its permit process, not the ordinance text — where the two differ, the code governs.
“Over-the-counter issuance is available for single-family residential fixture installations, including electrical water heaters, and the like-in-kind replacement of interior equipment. Please note that gas water heater installation requires a mechanical permit and is also available online.”Checklist ↗read 2026-09-05
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 Lynnwood?
Kolmo Construction is a licensed Washington general contractor — KOLMOL*753JS, active through April 10, 2027, bonded and insured — working throughout City of Lynnwood and Snohomish County. Kolmo prepares the drawings and submittals, files the plumbing permit with Lynnwood uses its own permit center., carries the project through review and inspections, and performs the construction. Call (206) 410-5100 for a City of Lynnwood 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 Lynnwood 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: Lynnwood uses its own permit center. ↗
- 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 Lynnwood every month. We prepare the drawings and submittals, file with Lynnwood uses its own permit center., handle reviewer comments, and build the project.
Licensed WA general contractor KOLMOL*753JS · bonded & insured
Plumbing permits in City of Lynnwood — FAQ
When does a plumbing need a permit in City of Lynnwood?
WAC 51-56 (2021 UPC) requires plumbing permit for installation, replacement, or relocation of any plumbing fixture, water heater, or piping. Like-for-like faucet replacement is exempt.
How much does a plumbing permit cost in City of Lynnwood?
Current fee per the City of Lynnwood 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.