HVAC permits in Bellevue: fees, timeline & requirements (2026)
Everything you need to know about pulling an HVAC / mechanical permit in Bellevue, Washington — when one is required, what it costs, how long review takes, what documents are required, and which inspections you can expect. Cited to Bellevue Development Services.
Free lookup, no account needed — the office that issues the permit at your address, cited to Bellevue's source.
When does HVAC work need a permit in Bellevue?
A permit is required for installing, moving, or replacing a furnace and/or heat pump (and an air conditioner also needs an electrical permit).
In the source's own words
“A permit is required for installing, moving or replacing a furnace and/or heat pump.”Source ↗verified 2026-05-29
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 contractor
Who can do this work in Bellevue?
Kolmo Construction is a licensed Washington general contractor — KOLMOL*753JS, active through April 10, 2027, bonded and insured — working throughout Bellevue and King County. Kolmo manages the HVAC / mechanical job from start to finish: a licensed HVAC subcontractor performs the work and the permit, and Kolmo coordinates the scope, schedule, inspections and any related construction. Call (206) 410-5100 for a Bellevue 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. Check who issues the permit. Run an address lookup for your HVAC work in Bellevue — we'll confirm which office issues the permit at that address.
- 2. Assemble submittals: the 4 documents under Required submittals above.
- 3. Submit through the city portal: Bellevue Development Services ↗
- 4. Track review. Respond to reviewer comments promptly.
- 5. Pay issuance fees (Bellevue's fee schedule sets them) and pick up the permit. Inspection card travels with the job.
Or have Kolmo do it
Kolmo runs the job: a licensed HVAC subcontractor does the HVAC / mechanical work and pulls the permit, and Kolmo coordinates the scope, schedule, inspections and any related construction.
Licensed WA general contractor KOLMOL*753JS · bonded & insured
HVAC permits in Bellevue — FAQ
When does HVAC work need a permit in Bellevue?
A permit is required for installing, moving, or replacing a furnace and/or heat pump (and an air conditioner also needs an electrical permit).
How much does an HVAC / mechanical permit cost in Bellevue?
Bellevue's single-family mechanical permit is $59 for each furnace up to 100,000 BTU ($79 above), heat pump, air conditioner or gas appliance, $59 for duct work only or gas piping only, and $34 for each fan or appliance vent. The operations fee is $21 over the counter, or $53 and a $145 plan review fee when the scope needs building review. The wiring needs a separate electrical permit from the City, $79 up to $500 of electrical work (Ordinance 6879, Tables 2, 5, 6 and 8). Apply via https://mybuildingpermit.com.