Heat pump permits in City of Sammamish: fees, timeline & requirements (2026)
Everything you need to know about pulling a heat pump / ductless mini-split permit in City of Sammamish, Washington — when one is required, what it costs, how long review takes, what documents are required, and which inspections you can expect. Cited to Sammamish Community Development.
Free lookup, no account needed — your lot polygon, zoning, setbacks and overlays, cited to City of Sammamish's source.
City of Sammamish: 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 Sammamish Community Development for project-specific guidance.
Who can do this work in City of Sammamish?
Kolmo Construction is a licensed Washington general contractor — KOLMOL*753JS, active through April 10, 2027, bonded and insured — working throughout City of Sammamish and King County. Kolmo prepares the drawings and submittals, files the heat pump / ductless mini-split permit with Sammamish Community Development, carries the project through review and inspections, and performs the construction. Call (206) 410-5100 for a City of Sammamish heat pump / ductless mini-split quote.
Heat pump permit fee estimate in City of Sammamish
Worked example for a $16,000 heat pump / ductless mini-split project (building permit). Your actual fee scales with project valuation.
| Building permit fee | $525.03 |
| Plan review | $341.27 |
| Technology surcharge | $129.95 |
| WA state surcharge | $6.50 |
| Estimated total | $1,002.75 |
$2,001 to $25,000: first $2,000 $236.77, each additional $1,000 or fraction thereof $20.59 (2026 column) Computed from City of Sammamish's adopted fee schedule · source ↗. Land use, fire and engineering review, intake, impact and utility fees, where they apply, are charged separately.
How to apply yourself
- 1. Confirm your parcel's zoning & overlays. Run an address lookup for your City of Sammamish 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: Sammamish Community Development ↗
- 4. Track review. Respond to reviewer comments promptly.
- 5. Pay issuance fees (see fee schedule) and pick up the permit. Inspection card travels with the job.
Or have Kolmo do it
We pull heat pump / ductless mini-split permits in City of Sammamish every month. We prepare the drawings and submittals, file with Sammamish Community Development, handle reviewer comments, and build the project.
Licensed WA general contractor KOLMOL*753JS · bonded & insured
Heat pump permits in City of Sammamish — FAQ
How much does a heat pump / ductless mini-split permit cost in City of Sammamish?
For a $16,000 heat pump / ductless mini-split project, the estimated City of Sammamish permit fee is about $1,002.75 (building fee $525.03 + plan review $341.27 + surcharges) from City of Sammamish's adopted fee schedule. Land use, fire and engineering review, intake, impact and utility fees, where they apply, are charged separately.