Heat pump permits in City of Federal Way: fees, timeline & requirements (2026)
Everything you need to know about pulling a heat pump / ductless mini-split permit in City of Federal Way, 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..
City of Federal Way: we don't yet have an authoritative heat pump / ductless mini-split rule on file for this city. Until we verify, fall back to Washington-state baseline code (IRC/IBC/WSEC) and the county building department. Call Apply via MyBuildingPermit.com. for project-specific guidance.
Heat pump permit fee estimate in City of Federal Way
Worked example for a $16,000 heat pump / ductless mini-split project (building permit). Your actual fee scales with project valuation.
| Building permit fee | $265.25 |
| Plan review | $172.41 |
| WA state surcharge | $4.5 |
| Estimated total | $442.16 |
$2,001 to $25,000: $69.25 + $14 per $1,000 over $2,000 Computed from the City of Federal Way 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 Federal Way heat pump / ductless mini-split — we'll pull your specific lot polygon, zoning, setbacks, and any shoreline/ECA/historic overlays.
- 2. Assemble submittals (site plan, scope-of-work, photos).
- 3. Submit through the city portal: Apply via MyBuildingPermit.com. ↗
- 4. Track review (typical: 4–10 weeks). Respond to reviewer comments promptly.
- 5. Pay issuance fees (see fee schedule) and pick up the permit. Inspection card travels with the job.
Heat pump permits in City of Federal Way — FAQ
How much does a heat pump / ductless mini-split permit cost in City of Federal Way?
For a $16,000 heat pump / ductless mini-split project, the estimated City of Federal Way permit fee is about $442.16 — building fee $265.25 + plan review $172.41 + surcharges. Fees scale with project valuation per the city schedule.
