PERMIT RECORD · MARIN COUNTY, CA
Mechanical / HVAC permits in Marin County, CA
5,701 mechanical / hvac permits between 2016 and 2026 — 39.8% of all permits in this market. 602 in the last twelve months, from 286 companies on record.
Activity by year
| Year | Permits |
|---|---|
| 2016 | 75 |
| 2017 | 269 |
| 2018 | 429 |
| 2019 | 474 |
| 2020 | 597 |
| 2021 | 868 |
| 2022 | 678 |
| 2023 | 669 |
| 2024 | 633 |
| 2025 | 682 |
| 2026 | 327 |
Distinct permit numbers as classified by the issuing authority.
Most active mechanical / hvac companies, last 12 months
| Company | Permits |
|---|---|
| Ernest Ongaro & Sons Inc | 100 |
| Peter Levi Plumbing LLC | 69 |
| Bellows Plumbing Heating & Air Inc | 52 |
| Moore Home Services | 37 |
| Elevated Comfort Inc | 34 |
| Reyes Heating And Air | 33 |
| John Owens Services Inc | 28 |
| Sameday Plumbing Heating & Cooling LLC | 22 |
| North HVAC Services | 21 |
| Kelly Plumbing & Heating Inc | 13 |
| Tech Air Inc | 12 |
| Hulbert Heating & Air Conditioning Inc | 12 |
Ranked by filing volume, not by revenue, capacity or quality.
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Source and limits
County of Marin, California (Socrata mkbn-caye). Refreshed daily. A permit records a filing, not a completed job or an awarded contract, and a quiet period may mean work was filed outside this dataset. All permit activity in Marin County →