HVAC permits in City of Redmond: fees, timeline & requirements (2026)
Everything you need to know about pulling a HVAC / mechanical permit in City of Redmond, Washington — when one is required, what it costs, how long review takes, what documents are required, and which inspections you can expect. Cited to Redmond uses ePlans portal..
When does a HVAC / mechanical need a permit in City of Redmond?
Mechanical systems require a separate trade permit; all trade permits are separate and not included in the building permit.
From City of Redmond's own page
“NOTE: All trade permits are separate and not included in the building permit.”Source ↗verified 2026-06-26
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
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.
HVAC permit fee estimate in City of Redmond
Worked example for a $14,000 HVAC / mechanical project (mechanical permit). Your actual fee scales with project valuation.
| Building permit fee | $175 |
| Plan review | $113.75 |
| WA state surcharge | $4.5 |
| Estimated total | $293.25 |
Mechanical permit + electrical permit (if new circuit) + plumbing permit (if condensate to drain). Apply via https://eplans.redmond.gov. Computed from the City of Redmond fee bracket schedule · source ↗. Impact/utility fees may apply separately.
How to apply
- 1. Confirm your parcel's zoning & overlays. Run an address lookup for your City of Redmond 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: Redmond uses ePlans portal. ↗
- 4. Track review (typical: —). 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://eplans.redmond.gov.) and pick up the permit. Inspection card travels with the job.
HVAC permits in City of Redmond — FAQ
When does a HVAC / mechanical need a permit in City of Redmond?
Mechanical systems require a separate trade permit; all trade permits are separate and not included in the building permit.
How much does a HVAC / mechanical permit cost in City of Redmond?
For a $14,000 HVAC / mechanical project, the estimated City of Redmond permit fee is about $293.25 — building fee $175 + plan review $113.75 + surcharges. Fees scale with project valuation per the city schedule.