Access real-time HVAC permit data from Hayward, CA. 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 Hayward, CA. Access all 300 permits from the last year via the API.
| Issued | Address | Status | Contractor |
|---|---|---|---|
| 2026-08-06 | 25060 Dania | FINAL | — |
| 2026-08-05 | 2079 Duval | UNKNOWN | — |
| 2026-08-04 | 4105 Forest Hill | IN_PROGRESS | — |
| 2026-08-04 | 27822 Del Norte | FINAL | — |
| 2026-08-04 | 22139 Castille | FINAL | — |
| 2026-08-04 | 660 Grace | FINAL | — |
| 2026-08-03 | 25606 Seaver | FINAL | — |
| 2026-08-03 | 2763 Ocala | FINAL | — |
| 2026-08-02 | 27120 Columbia | FILED | — |
| 2026-07-31 | 26983 Hemmingway | FINAL | Comfy Heating & Air Conditioni |
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 Hayward, CA HVAC permits directly with a single HTTP call:
curl "https://api.permit-stack.com/v1/permits/search?city=Hayward&state=CA&category=HVAC" \ -H "X-API-Key: pk_your_key"
Or use the official Python SDK: pip install permitstack
PermitStack ingests permits from Hayward, CA'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 Hayward, CA'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 Hayward, CA open data portal. Last updated: 2026-08-06.