The 25 contractors pulling the most building permits in Petaluma, ranked by PermitStack's activity score — built from 51,416 permits on file. Updated from live public records.
| # | Contractor | Permits | Score | Top trades | Last permit |
|---|---|---|---|---|---|
| 1 | Sunrun Inc | 367 | 100 | addition, battery, electrical | Jun 2025 |
| 2 | MOORE SERVICES HOLDINGS LLC | 276 | 98 | battery, electrical, hvac | Feb 2026 |
| 3 | THORPE DESIGN INC | 272 | 96 | addition, demolition, fire_alarm | Feb 2026 |
| 4 | ROMAN'S PLUMBING | 226 | 88 | interior_remodel, plumbing, renovation | Jun 2026 |
| 5 | ELEVATED COMFORT INC | 178 | 94 | hvac, interior_remodel, plumbing | Jun 2026 |
| 6 | ADAMS REFRIGERATION SERVICE INC | 178 | 78 | hvac | Jun 2026 |
| 7 | AWT CONSTRUCTION GROUP, INC | 132 | 68 | interior_remodel, renovation, roofing | Dec 2024 |
| 8 | FAST WATER HEATER CO | 130 | 99 | electrical, hvac, mechanical | Jun 2026 |
| 9 | PETER LEVI PLUMBING INC | 126 | 100 | electrical, foundation, hvac | Jun 2026 |
| 10 | Henry Mechanical | 101 | 89 | electrical, hvac, interior_remodel | Jun 2026 |
| 11 | KC Home Services | 97 | 81 | addition, electrical, hvac | Apr 2026 |
| 12 | KB HOME | 80 | 100 | addition, electrical, fence | Sep 2023 |
| 13 | MAUS ELECTRIC | 70 | 71 | electrical, interior_remodel, renovation | Jul 2026 |
| 14 | Pioneer Fire inc. | 66 | 59 | fire_alarm, sign | Apr 2026 |
| 15 | John Owens Services | 51 | 97 | electrical, hvac, interior_remodel | Jun 2026 |
| 16 | Better Earth Electric | 46 | 100 | battery, electrical, ev_charger | Jun 2023 |
| 17 | BENJAMIN FRANKLIN PLUMBING | 45 | 99 | addition, battery, electrical | May 2024 |
| 18 | NORTH HVAC SERVICES | 44 | 85 | addition, hvac, interior_remodel | Jun 2026 |
| 19 | Moore Home Services | 43 | 92 | hvac, interior_remodel, plumbing | Jun 2026 |
| 20 | Focus Realty Services Inc. | 42 | 67 | solar | May 2024 |
| 21 | Hulbert Heating | 42 | 65 | hvac, interior_remodel | May 2026 |
| 22 | Sonoma County Electric | 38 | 61 | electrical | Jun 2026 |
| 23 | Rite Rooter Plumbing | 36 | 78 | electrical, hvac, plumbing | Dec 2025 |
| 24 | DBA BRAGG PLUMBING & HEATING | 35 | 64 | hvac, plumbing | Jun 2026 |
| 25 | WESTSIDE MECHANICAL | 34 | 70 | fire_alarm, hvac, interior_remodel | Jun 2026 |
"Score" is a 0–100 activity index from permit volume, recency, project value, and geographic reach. "Permits" counts building permits this contractor pulled in Petaluma.
Query contractors, scores, and permits programmatically — GET /v1/contractors/search?state=CA&sort=score