The 25 contractors pulling the most building permits in Sonoma County, ranked by PermitStack's activity score — built from 125,314 permits on file. Updated from live public records.
| # | Contractor | Permits | Score | Top trades | Last permit |
|---|---|---|---|---|---|
| 1 | CAPSTONE ROOFING LLC | 8 | 99 | demolition, foundation, roofing | Oct 2026 |
| 2 | VITAL ENERGY SOLUTIONS LLC | 7 | 95 | battery, electrical, renovation | Oct 2026 |
| 3 | Moore Home Services | 6 | 93 | electrical, hvac, interior_remodel | Oct 2026 |
| 4 | Cornerstone Roofing, Inc. | 4 | 97 | addition, demolition, fence | Oct 2026 |
| 5 | ROOF SOLUTIONS INC | 4 | 96 | addition, hvac, interior_remodel | Sep 2026 |
| 6 | Sunrun Inc | 3 | 100 | addition, battery, electrical | Oct 2026 |
| 7 | JAMES ELECTRIC INC | 3 | 85 | battery, demolition, electrical | Oct 2026 |
| 8 | HERITAGE QUALITY ROOFING INC | 3 | 73 | roofing | Oct 2026 |
| 9 | Mehls Electric Inc | 3 | 65 | electrical, solar | Sep 2026 |
| 10 | ROOTER HERO PLUMBING INC | 2 | 99 | electrical, fence, foundation | Oct 2026 |
| 11 | Pure Power Solutions | 2 | 97 | battery, renovation, roofing | Sep 2026 |
| 12 | JM ELECTRIC LLC | 2 | 95 | electrical, ev_charger, hvac | Sep 2026 |
| 13 | ROMAN'S PLUMBING | 2 | 90 | interior_remodel, plumbing, renovation | Sep 2026 |
| 14 | REYES HEATING AND AIR | 2 | 88 | hvac, renovation, roofing | Oct 2026 |
| 15 | NC ROOFING SOLUTION INC | 2 | 87 | roofing | Sep 2026 |
| 16 | RIDGELINE ROOFING | 2 | 85 | roofing | Sep 2026 |
| 17 | CES INTEGRATED CORPORATION | 2 | 80 | electrical, grading, hvac | Sep 2026 |
| 18 | CREATIVE ROOFING OF NORTHERN CALIFORNIA | 2 | 63 | roofing | Sep 2026 |
| 19 | E S ROOFING | 2 | 63 | roofing | Sep 2026 |
| 20 | TOM LYNCH CONSTRUCTION | 2 | 60 | foundation, new_construction | Sep 2026 |
| 21 | COASTAL VIEW BUILDER | 2 | 54 | addition, interior_remodel, roofing | Sep 2026 |
| 22 | Goodman Construction and Electrical Inc. | 2 | 49 | electrical, ev_charger, new_construction | Sep 2026 |
| 23 | SONOMA COAST ELECTRIC INC | 2 | 49 | electrical, interior_remodel | Sep 2026 |
| 24 | FRAMING BUILDING & IMPROVEMENTS INC | 2 | 32 | plumbing | Sep 2026 |
| 25 | HOMESTAR BUILDING PERFORMANCE INC | 2 | 31 | addition | Sep 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 Sonoma County.
Query contractors, scores, and permits programmatically — GET /v1/contractors/search?state=CA&sort=score