Heat pump permits in City of Redmond: fees, timeline & requirements (2026)

Everything you need to know about pulling a heat pump / ductless mini-split 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 Planning and Community Development.

Look up your City of Redmond address

Free lookup, no account needed — your lot polygon, zoning, setbacks and overlays, cited to City of Redmond's source.

City of Redmond: 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 Redmond Planning and Community Development for project-specific guidance.

Who can do this work in City of Redmond?

Kolmo Construction is a licensed Washington general contractor — KOLMOL*753JS, active through April 10, 2027, bonded and insured — working throughout City of Redmond and King County. Kolmo prepares the drawings and submittals, files the heat pump / ductless mini-split permit with Redmond Planning and Community Development, carries the project through review and inspections, and performs the construction. Call (206) 410-5100 for a City of Redmond heat pump / ductless mini-split quote.

Heat pump permit fee estimate in City of Redmond

Worked example for a $16,000 heat pump / ductless mini-split project (building permit). Your actual fee scales with project valuation.

Building permit fee$528.86
Plan review$343.76
Technology surcharge$34.90
WA state surcharge$6.50
Estimated total$914.02

$2,000.01 to $25,000.00: $138.26 for the first $2,000.00 plus $27.90 for each additional $1,000.00, or fraction thereof, to and including $25,000.00 Computed from City of Redmond'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. 1. Confirm your parcel's zoning & overlays. Run an address lookup for your City of Redmond heat pump / ductless mini-split — we'll pull your specific lot polygon, zoning, setbacks, and any shoreline/ECA/historic overlays.
  2. 2. Assemble submittals (site plan, scope-of-work, photos).
  3. 3. Submit through the city portal: Redmond Planning and Community Development ↗
  4. 4. Track review. Respond to reviewer comments promptly.
  5. 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 Redmond every month. We prepare the drawings and submittals, file with Redmond Planning and Community Development, handle reviewer comments, and build the project.

(206) 410-5100

Licensed WA general contractor KOLMOL*753JS · bonded & insured

Heat pump permits in City of Redmond — FAQ

How much does a heat pump / ductless mini-split permit cost in City of Redmond?

For a $16,000 heat pump / ductless mini-split project, the estimated City of Redmond permit fee is about $914.02 (building fee $528.86 + plan review $343.76 + surcharges) from City of Redmond's adopted fee schedule. Land use, fire and engineering review, intake, impact and utility fees, where they apply, are charged separately.

City of Redmond resourcesPermit portal ↗Fee schedule ↗