Permit fees
Pierce County mechanical permit fees for HVAC work
A furnace or heat-pump swap in unincorporated Pierce County needs a mechanical permit. The fee table stacks an issue fee, a base review fee when plans are reviewed, and a per-unit line.
Issue and base fees
- Issue each permit: $58.00. Supplemental permit: $29.00. (Pierce County Code 17C.10.070, read Oct 19, 2026)
- Base permit fee: $150.00 on application types that require review. (Pierce County PPW Exhibit A, read Oct 19, 2026)
- Technology fee: three percent on fees in Chapters 2.05.040, 17C.10, and 17C.60 (excluding pass-through). (Pierce County PPW Exhibit A, read Oct 19, 2026)
Per appliance (2026 Fee column)
- Forced-air or gravity furnace or burner with ducts and vents, up to 100,000 Btu/h: $17.00; over 100,000 Btu/h: $21.00. (Pierce County Code 17C.10.070, read Oct 19, 2026)
- Floor furnace or suspended heater: $17.00. Appliance vent alone: $8.00. (Pierce County Code 17C.10.070, read Oct 19, 2026)
- Repair or alteration of a heating or refrigeration cooling unit: $16.00. (Pierce County Code 17C.10.070, read Oct 19, 2026)
What I ask
- Is the address in unincorporated Pierce County or inside a city?
- Who pulls the mechanical permit, and is the issue fee in the bid?
- Will this job need plan review and the base permit fee?
Next
See HVAC licenses explained and how to hire.
Sources
We read each source on October 19, 2026. Rules and prices change, so check the linked page before you rely on a number.
Written by the South Sound HVAC team. We list businesses; we do not employ, bond or insure them. Spot a mistake? Use the claim page to tell us.