The 25 contractors pulling the most building permits in Ventura (Active), ranked by PermitStack's activity score — built from 9,906 permits on file. Updated from live public records.
| # | Contractor | Permits | Score | Top trades | Last permit |
|---|---|---|---|---|---|
| 1 | *SUNRUN INSTALLATION SERVICES INC | 343 | 80 | electrical | Jun 2026 |
| 2 | RESIDENTIAL FIRE SYSTEMS INC | 213 | 92 | addition, electrical, fire_alarm | Jun 2026 |
| 3 | PACIFIC AIRE, INC | 213 | 91 | electrical, hvac, interior_remodel | Jun 2026 |
| 4 | RAYCO ROOFING CONTRACTOR'S INC | 101 | 72 | renovation | Jun 2026 |
| 5 | RENEWAL BY ANDERSEN LLC | 87 | 100 | addition, demolition, electrical | Jun 2026 |
| 6 | RG ELECTRIC ENTERPRISES INC | 76 | 68 | electrical, solar | Mar 2026 |
| 7 | GENHAWK CONSTRUCTION INC | 52 | 69 | addition, electrical, interior_remodel | Jun 2026 |
| 8 | AIR SYSTEM SOLUTIONS INC | 50 | 71 | electrical, hvac, mechanical | Jun 2026 |
| 9 | Complete Solar | 46 | 100 | addition, battery, electrical | May 2026 |
| 10 | ALL AMERICAN ROOFING INC | 43 | 100 | addition, electrical, mechanical | Mar 2026 |
| 11 | FAST WATER HEATER COMPANY | 42 | 99 | electrical, hvac, interior_remodel | Jun 2026 |
| 12 | *SUNPOWER CORPORATIONS SYSTEMS | 40 | 54 | electrical | Jul 2024 |
| 13 | SESPE POWER SOLUTIONS | 36 | 96 | battery, electrical, solar | Apr 2026 |
| 14 | Gallegos Plumbing | 35 | 68 | demolition, electrical, plumbing | Jun 2026 |
| 15 | C S CONSTRUCTION | 34 | 82 | electrical, foundation, interior_remodel | Jun 2026 |
| 16 | BAY ALARM COMPANY | 33 | 99 | addition, battery, demolition | Jun 2026 |
| 17 | S P Plumbing & Heating | 33 | 64 | electrical, hvac, plumbing | Jun 2026 |
| 18 | G B C ELECTRICAL SERVICES | 32 | 69 | electrical, ev_charger, renovation | Mar 2025 |
| 19 | GREATWAY ROOFING INC | 31 | 75 | renovation, roofing, solar | Jun 2026 |
| 20 | NU LINE PARTNERS INC | 31 | 71 | demolition, electrical, fire_alarm | May 2026 |
| 21 | SHADOW ENTERPRISES LLC | 31 | 64 | interior_remodel, renovation | Jun 2026 |
| 22 | PAUL M NAGEL COMPANY | 31 | 60 | interior_remodel, renovation | Feb 2026 |
| 23 | SLOAN ROOFING INC | 29 | 78 | interior_remodel, renovation, roofing | Jul 2026 |
| 24 | Gorman Roofing Services Inc | 28 | 93 | hvac, interior_remodel, plumbing | Jul 2025 |
| 25 | THE SOLAR CONTRACTOR | 28 | 64 | electrical | 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 Ventura (Active).
Query contractors, scores, and permits programmatically — GET /v1/contractors/search?state=CA&sort=score