King County HVAC Market Overview
King County's hvac permit activity is currently slowing, with 171 permits filed in the last 30 days compared to 240 in the prior 30-day window. On average, 143.7 hvac permits are filed per month here based on the last six months of data. The most active hvac contractors in King County include Greenwood Heating and AC, Brennan Heating, South West Plumbing.
Recent HVAC Permits in King County
| Date | Address | Description | Status |
|---|---|---|---|
| 2026-09-18 | 18630 NE 194TH ST | 1 FURNACE; 1 HEAT PUMP | Permit Issued |
| 2026-09-18 | 15605 NE 144TH PL, WOODINVILLE WA 98072 | FARM HOMEOWNERS ASSOCIATION - COMMERCIAL MECHANICA... | Intake Processing |
| 2026-09-18 | 12621 RENTON AVE S, SEATTLE WA 98178 | TENG MECHANICAL | Intake Processing |
| 2026-09-18 | 24043 NE ADAIR RD | 1 FURNACE; 1 HEAT PUMP | Permit Issued |
| 2026-09-18 | 16038 NE 165TH ST | 1 FURNACE; 1 AIR CONDITIONER | Permit Issued |
| 2026-09-18 | 16610 SE 128TH ST | 1 FURNACE | Permit Issued |
| 2026-09-17 | 44521 SE 166TH ST | 1 DUCTLESS HEAT PUMP | Permit Issued |
| 2026-09-17 | 15790 SE 164TH PL | 1 AIR CONDITIONER | Permit Issued |
| 2026-09-17 | 18511 NE 184TH ST | 1 FURNACE; 1 AIR CONDITIONER | Permit Issued |
| 2026-09-17 | 3912 S 344TH ST | 1 FURNACE | Permit Issued |
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Research King County HVAC project activity
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Choose this market for a free trial →Frequently Asked Questions
How many HVAC permits were filed in King County in the last 30 days?
King County has 171 hvac permits dated in the last 30 days in the source records currently available on PermitGrab.
What types of HVAC work require permits in King County?
In King County, permits are typically required for HVAC permits including heating system installation, air conditioning, ductwork, and ventilation upgrades. Always check with King County's building department for specific requirements.
How can a HVAC business research project activity in King County?
Use PermitGrab to review matching hvac permit records from King County’s public source. Use the displayed source date, project scope, and available record fields to research published project activity; a permit is not a request for bids.
How quickly are HVAC permits updated on PermitGrab?
The newest displayed source record is dated 2026-09-18. PermitGrab checks the source on each collection cycle and publishes newer records after the source makes them available.