The 25 contractors pulling the most building permits in Los Angeles, ranked by PermitStack's activity score — built from 2,253,322 permits on file. Updated from live public records.
| # | Contractor | Permits | Score | Top trades | Last permit |
|---|---|---|---|---|---|
| 1 | SHAPELL HOMES INC | 3,950 | 79 | addition, electrical, fence | Mar 2025 |
| 2 | SUNPOWER CORPORATION SYSTEMS | 3,713 | 100 | addition, battery, demolition | May 2023 |
| 3 | METRO RETROFITTING INC | 3,566 | 74 | electrical, plumbing | May 2023 |
| 4 | Sunrun Installation Services, Inc | 3,520 | 100 | addition, battery, electrical | May 2023 |
| 5 | SolarCity Corporation | 3,091 | 91 | addition, battery, demolition | May 2023 |
| 6 | ALPHA STRUCTURAL INC | 2,737 | 100 | addition, demolition, electrical | Nov 2024 |
| 7 | K N CONSULTING INC | 2,084 | 83 | addition, demolition, electrical | Mar 2026 |
| 8 | AFTER BEFORE CREATIONS INC | 2,003 | 93 | addition, fence, foundation | May 2023 |
| 9 | PacificSky Solar | 1,847 | 100 | battery, electrical, ev_charger | May 2023 |
| 10 | JOVI ELECTRIC | 1,705 | 62 | electrical, ev_charger, sign | Apr 2023 |
| 11 | JULIAN CONSTRUCTION INC | 1,578 | 87 | addition, demolition, electrical | Dec 2024 |
| 12 | OPTIMUM SEISMIC INC | 1,574 | 94 | addition, demolition, electrical | Sep 2023 |
| 13 | ON TARGET ELECTRIC INC | 1,564 | 84 | electrical, ev_charger, sign | May 2023 |
| 14 | LA SOLAR GROUP INC | 1,528 | 100 | battery, demolition, electrical | Mar 2023 |
| 15 | HERZOG M B ELECTRIC INC | 1,506 | 44 | electrical, hvac | May 2023 |
| 16 | PORTRAIT CONSTRUCTION INC | 1,467 | 72 | addition, demolition, electrical | Feb 2023 |
| 17 | DOUGLAS EMMETT BUILDERS | 1,380 | 83 | addition, demolition, electrical | Apr 2026 |
| 18 | FIRE SPRINKLER SYSTEMS INC | 1,310 | 99 | addition, fire_alarm, interior_remodel | May 2023 |
| 19 | RELIANCE HOME SERVICES | 1,285 | 85 | addition, electrical, foundation | May 2022 |
| 20 | ANCHORSTRONG CONSTRUCTION INC | 1,281 | 90 | addition, electrical, foundation | May 2023 |
| 21 | HOME DEPOT THE | 1,208 | 100 | interior_remodel, mechanical, new_construction | May 2023 |
| 22 | PREFERRED HOME BUILDERS INC | 1,190 | 100 | addition, demolition, electrical | Jan 2026 |
| 23 | Sunrun Inc | 1,168 | 100 | addition, battery, electrical | May 2023 |
| 24 | SUPERIOR ELECTRICAL ADVERTISING INC | 1,080 | 97 | addition, demolition, electrical | Feb 2024 |
| 25 | SOUTH WEST SOLAR, INC | 1,067 | 100 | electrical, interior_remodel, pool | May 2023 |
"Score" is a 0–100 activity index from permit volume, recency, project value, and geographic reach. "Permits" counts building permits this contractor pulled in Los Angeles.
Query contractors, scores, and permits programmatically — GET /v1/contractors/search?state=CA&sort=score