HVAC permits in City of Kirkland: fees, timeline & requirements (2026)
Everything you need to know about pulling a HVAC / mechanical permit in City of Kirkland, 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 Kirkland's source.
When does a HVAC / mechanical need a permit in City of Kirkland?
A mechanical permit is required for new/replaced mechanical equipment and gas piping. Fuel-gas piping and new fuel-gas fixtures require a Mechanical Permit (not a plumbing permit).
In the source's own words
“Fuel gas piping and new fuel gas fixtures require a Mechanical Permit, and shall not be installed or inspected under a Plumbing permit.”Source ↗verified 2026-09-24
What City of Kirkland says in its own permit handout
From mechanical permit checklist, published by City of Kirkland. 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
mechanical
Who can do this work in City of Kirkland?
Kolmo Construction is a licensed Washington general contractor — KOLMOL*753JS, active through April 10, 2027, bonded and insured — working throughout City of Kirkland and King County. Kolmo prepares the drawings and submittals, files the HVAC / mechanical 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 Kirkland 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 Kirkland 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: Apply via MyBuildingPermit.com. ↗
- 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). Apply via https://mybuildingpermit.com.) and pick up the permit. Inspection card travels with the job.
Or have Kolmo do it
We pull HVAC / mechanical permits in City of Kirkland 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
HVAC permits in City of Kirkland — FAQ
When does a HVAC / mechanical need a permit in City of Kirkland?
A mechanical permit is required for new/replaced mechanical equipment and gas piping. Fuel-gas piping and new fuel-gas fixtures require a Mechanical Permit (not a plumbing permit).
How much does a HVAC / mechanical permit cost in City of Kirkland?
Current fee per the City of Kirkland fee schedule: Mechanical permit + electrical permit (if new circuit) + plumbing permit (if condensate to drain). Apply via https://mybuildingpermit.com.. Plus ancillary plan-review/tech-surcharge fees per city schedule.