The 17 contractors pulling the most building permits in San Jose, ranked by PermitStack's activity score — built from 33,142 permits on file. Updated from live public records.
| # | Contractor | Permits | Score | Top trades | Last permit |
|---|---|---|---|---|---|
| 1 | JIREH INC | 187 | 79 | roofing, solar | Oct 2026 |
| 2 | Sunrun Inc | 171 | 100 | addition, battery, electrical | Oct 2026 |
| 3 | GROUNDWORKS CALIFORNIA LLC | 102 | 99 | addition, fence, foundation | Oct 2026 |
| 4 | SILICON VALLEY BUILDERS GROUP | 92 | 75 | addition, interior_remodel, new_construction | May 2026 |
| 5 | CENTER STATE CONSTRUCTION INC | 83 | 92 | addition, electrical, fence | Oct 2026 |
| 6 | IQV CONSTRUCTION, INC Christina Johnson | 74 | 69 | roofing | Aug 2026 |
| 7 | FUSE SERVICE INC. | 73 | 96 | addition, battery, electrical | Oct 2026 |
| 8 | FIEDLER CONSTRUCTION & ROOFING INC | 70 | 74 | addition, interior_remodel, roofing | Oct 2026 |
| 9 | ON-TIME AC & HEATING | 58 | 46 | addition | Oct 2026 |
| 10 | WARNER CUSTOM HOMES | 53 | 91 | foundation, interior_remodel, mechanical | May 2026 |
| 11 | SIS CONSTRUCTION, INC | 44 | 33 | renovation | Feb 2024 |
| 12 | IRBIS HVAC | 37 | 85 | electrical, ev_charger, hvac | Sep 2026 |
| 13 | ARS AMERICAN RESIDENTIAL SERVICES | 34 | 81 | addition, hvac, plumbing | Oct 2026 |
| 14 | RANDO AAA HVAC INC | 34 | 70 | addition, hvac, plumbing | Sep 2026 |
| 15 | ALL SEASONS ROOFING SERVICE | 34 | 66 | roofing | Sep 2026 |
| 16 | JEMICO LLC | 30 | 100 | addition, interior_remodel, new_construction | Oct 2026 |
| 17 | SMP CONSTRUCTION | 30 | 89 | addition, demolition, electrical | Oct 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 San Jose.
Query contractors, scores, and permits programmatically — GET /v1/contractors/search?state=CA&sort=score