HVAC permits in City of Lynnwood: fees, timeline & requirements (2026)
Everything you need to know about pulling a HVAC / mechanical 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 HVAC / mechanical need a permit in City of Lynnwood?
WAC 51-52 (2021 IMC) and WAC 51-56 (2021 UPC) require mechanical permit for any equipment install, replacement, or relocation. WSEC R403 requires sizing per Manual J/S/D for new equipment.
How City of Lynnwood adopted this rule
The threshold comes from the state code (WAC 51.52), which City of Lynnwood adopts by reference in the provision quoted below.
“As amended by this chapter and the State of Washington Building Code Council, the latest edition of the International Mechanical Code (IMC), as published by the International Code Council, 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. (Ord. 3404 § 3 (Att. A), 2021; Ord. 3396 § 2, 2021; Ord. 3196 § 2, 2016; Ord. 3006 § 6 (Exh. F), 2013; Ord. 2840 § 3, 2010; Ord. 2683 § 2, 2007; Ord. 2505 § 1, 2004; Ord. 2215 § 1, 1998; Ord.”Source ↗verified 2026-04-26
What City of Lynnwood says in its own permit handout
From Mechanical 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.
“Mechanical permits are required when installing, altering, relocating or replacing mechanical systems, or fuel gas piping in existing or new buildings (other than new single-family residences).”Checklist ↗read 2026-09-05
Required submittals
- equipment specs (model #, capacity)
- Manual J/S/D for new system
- gas piping diagram if applicable
- electrical permit cross-reference
Inspection sequence
- rough-in / gas pressure test
- final
Contractor specialties needed
hvac, electrical-01-or-02 (for heat pump tie-in)
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 HVAC / mechanical 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 HVAC / mechanical quote.
Notes & caveats
Heat pump or AC condensate must drain per IMC. Combustion appliance: combustion air, venting, gas piping leak test. WA HB 1185 (HEEHRA): heat-pump rebates available through energy.wa.gov.
How to apply yourself
- 1. Confirm your parcel's zoning & overlays. Run an address lookup for your City of Lynnwood HVAC / mechanical — we'll pull your specific lot polygon, zoning, setbacks, and any shoreline/ECA/historic overlays.
- 2. Assemble submittals (4).
- 3. Submit through the city portal: Lynnwood uses its own permit center. ↗
- 4. Track review. Respond to reviewer comments promptly.
- 5. Pay issuance fees (Mechanical permit + electrical permit (if new circuit) + plumbing permit (if condensate to drain).) and pick up the permit. Inspection card travels with the job.
Or have Kolmo do it
We pull HVAC / mechanical 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
HVAC permits in City of Lynnwood — FAQ
When does a HVAC / mechanical need a permit in City of Lynnwood?
WAC 51-52 (2021 IMC) and WAC 51-56 (2021 UPC) require mechanical permit for any equipment install, replacement, or relocation. WSEC R403 requires sizing per Manual J/S/D for new equipment.
How much does a HVAC / mechanical permit cost in City of Lynnwood?
Current fee per the City of Lynnwood fee schedule: Mechanical permit + electrical permit (if new circuit) + plumbing permit (if condensate to drain).. Plus ancillary plan-review/tech-surcharge fees per city schedule.