PERMIT RECORD · MARIN COUNTY, CA
Plumbing permits in Marin County, CA
3,878 plumbing permits between 2016 and 2026 — 27.1% of all permits in this market. 400 in the last twelve months, from 354 companies on record.
Activity by year
| Year | Permits |
|---|---|
| 2016 | 114 |
| 2017 | 206 |
| 2018 | 252 |
| 2019 | 343 |
| 2020 | 389 |
| 2021 | 552 |
| 2022 | 473 |
| 2023 | 441 |
| 2024 | 402 |
| 2025 | 473 |
| 2026 | 233 |
Distinct permit numbers as classified by the issuing authority.
Most active plumbing companies, last 12 months
| Company | Permits |
|---|---|
| Ernest Ongaro & Sons Inc | 67 |
| Peter Levi Plumbing LLC | 53 |
| Fast Water Heater Company | 20 |
| Gagne Brothers Enterprises Inc | 16 |
| Bellows Plumbing Heating & Air Inc | 15 |
| John Owens Services Inc | 14 |
| Moore Home Services | 14 |
| Divine Electric Inc | 10 |
| Kelly Plumbing & Heating Inc | 9 |
| William Gotelli Plumbing Inc | 8 |
| Marin H20 Inc | 7 |
| Water Heaters Only Inc | 6 |
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 →