Access real-time HVAC permit data from Madison, WI. HVAC permits cover new installations, equipment replacement, and major system changes — all high-value customer signals.
Showing the 10 most recent HVAC permits issued in Madison, WI. Access all 4,323 permits from the last year via the API.
| Issued | Address | Status | Contractor |
|---|---|---|---|
| 2026-07-10 | 18 Apple Hill CIR | IN_PROGRESS | DISCHLER HEATING AND COOLING |
| 2026-07-10 | 1110 Mica RD | IN_PROGRESS | — |
| 2026-07-10 | 151 W Gorham ST | IN_PROGRESS | — |
| 2026-07-10 | 10 Turnwood CIR | UNKNOWN | — |
| 2026-07-10 | 641 W Main ST, 108 | UNKNOWN | — |
| 2026-07-10 | 3930 Mammoth TRL | UNKNOWN | — |
| 2026-07-10 | 102 Vista RD | UNKNOWN | — |
| 2026-07-10 | 5406 Day Tripper DR | UNKNOWN | — |
| 2026-07-10 | 5313 Valley Edge DR | UNKNOWN | — |
| 2026-07-10 | 53 Cumberland LN | UNKNOWN | — |
Customer profile: HVAC contractors, heating and cooling companies, and equipment distributors.
Track homeowners replacing or installing HVAC systems — the largest signal for maintenance contract opportunities, air quality upgrades, and smart thermostat cross-sell.
Query Madison, WI HVAC permits directly with a single HTTP call:
curl "https://api.permit-stack.com/v1/permits/search?city=Madison&state=WI&category=HVAC" \ -H "X-API-Key: pk_your_key"
Or use the official Python SDK: pip install permitstack
PermitStack ingests permits from Madison, WI's official open data portal daily at 3 AM UTC. Most HVAC permits appear within 24-48 hours of issuance.
Yes. The API supports filtering by zip code, date range, contractor name, estimated value, and more. See the full API documentation for query parameters.
Yes. Building permits including HVAC permits are public records maintained by Madison, WI's building department. PermitStack normalizes this open data into a clean, consistent API.
Our customers include HVAC contractors, heating and cooling companies, and equipment distributors. Track homeowners replacing or installing HVAC systems — the largest signal for maintenance contract opportunities, air quality upgrades, and smart thermostat cross-sell.
Data source: Official Madison, WI open data portal. Last updated: 2026-07-10.