The 25 contractors pulling the most building permits in San Carlos, ranked by PermitStack's activity score — built from 52,976 permits on file. Updated from live public records.
| # | Contractor | Permits | Score | Top trades | Last permit |
|---|---|---|---|---|---|
| 1 | BUILDER OWNER | 1,236 | 86 | addition, demolition, electrical | Apr 2026 |
| 2 | Wizard Plumbing and Drain | 281 | 83 | electrical, plumbing, solar | Jun 2025 |
| 3 | Sunrun Inc | 208 | 100 | addition, battery, electrical | Apr 2026 |
| 4 | JEMICO LLC | 178 | 100 | addition, interior_remodel, new_construction | Jun 2026 |
| 5 | TECHPRO BUILDERS INC | 168 | 82 | electrical, hvac, mechanical | Jul 2025 |
| 6 | SolarCity Corporation | 137 | 91 | addition, battery, electrical | Feb 2018 |
| 7 | SIGNATURE ROOFING | 133 | 94 | new_construction, renovation, roofing | May 2025 |
| 8 | SUNPOWER CORPORATION SYSTEMS | 126 | 99 | addition, battery, electrical | Apr 2024 |
| 9 | XPRESS KITCHEN AND BATH CORP | 116 | 73 | addition, electrical, hvac | Jan 2026 |
| 10 | SIGNATURE BUILDERS | 109 | 89 | addition, demolition, electrical | Jan 2018 |
| 11 | BROTHERS HOME IMPROVEMENT INC | 100 | 96 | addition, interior_remodel, new_construction | Jul 2026 |
| 12 | SABER ROOFING INC. | 94 | 82 | interior_remodel, roofing, solar | Jun 2025 |
| 13 | JAMES CACCIA PLUMBING INC | 94 | 71 | electrical, fire_alarm, hvac | Jan 2025 |
| 14 | Clean Solar.Inc.. | 93 | 99 | battery, electrical, roofing | Apr 2025 |
| 15 | SEMPER SOLARIS CONSTRUCTION INC | 79 | 100 | battery, electrical, ev_charger | Apr 2022 |
| 16 | Control Fire Inc | 76 | 81 | addition, demolition, fire_alarm | Feb 2026 |
| 17 | GRANT MECHANICAL INC | 71 | 78 | hvac, mechanical, new_construction | Nov 2024 |
| 18 | THORPE DESIGN INC | 69 | 100 | addition, demolition, fire_alarm | Jul 2025 |
| 19 | BAY AREA RE-ROOFING | 62 | 76 | roofing | Mar 2025 |
| 20 | DEL RIO ROOFING COMPANY INC | 62 | 59 | roofing | Oct 2024 |
| 21 | IRBIS HVAC | 61 | 84 | electrical, ev_charger, hvac | Aug 2025 |
| 22 | CHRIS BORG ELECTRIC | 58 | 63 | electrical, ev_charger, solar | Aug 2025 |
| 23 | WARNER CUSTOM HOMES | 56 | 91 | addition, foundation, interior_remodel | Jun 2025 |
| 24 | ANDREW CHEKENE ENTERPRISES INC | 56 | 61 | electrical, fence, interior_remodel | Feb 2021 |
| 25 | Alexander Company | 54 | 83 | interior_remodel, new_construction, renovation | Jun 2025 |
"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 Carlos.
Query contractors, scores, and permits programmatically — GET /v1/contractors/search?state=CA&sort=score