The 25 contractors pulling the most building permits in Los Angeles County, ranked by PermitStack's activity score — built from 479,248 permits on file. Updated from live public records.
| # | Contractor | Permits | Score | Top trades | Last permit |
|---|---|---|---|---|---|
| 1 | Lennar Communities Inc | 1,043 | 91 | addition, battery, electrical | Sep 2026 |
| 2 | Kb Home Coastal Inc | 580 | 99 | addition, demolition, electrical | Aug 2026 |
| 3 | Hot Line Construction Inc | 495 | 91 | electrical, renovation, sign | Jun 2026 |
| 4 | WILLIAMS HOMES INC | 482 | 92 | addition, electrical, ev_charger | Sep 2026 |
| 5 | Sunrun Installation Services, Inc | 262 | 100 | addition, battery, electrical | Oct 2026 |
| 6 | POTATO CONSTRUCTION INC | 259 | 95 | addition, demolition, electrical | Sep 2026 |
| 7 | DIVERSIFIED UTILITY SERVICES | 258 | 52 | renovation | Aug 2020 |
| 8 | Rokstad Power, Inc | 187 | 63 | electrical, renovation | Feb 2023 |
| 9 | BROOKFIELD SOCAL BUILDERS LLC | 165 | 77 | electrical, fence, mechanical | Aug 2026 |
| 10 | UNDERGROUND CONSTRUCTION CO INC | 160 | 86 | electrical, plumbing, renovation | Oct 2020 |
| 11 | RICHARD'S CONSTRUCTION | 151 | 68 | electrical, interior_remodel, plumbing | Mar 2020 |
| 12 | TRI POINTE HOMES HOLDINGS INC | 140 | 92 | addition, electrical, fence | Apr 2026 |
| 13 | HAMPTON TEDDER ELECTRIC CO | 134 | 79 | electrical, renovation | Dec 2025 |
| 14 | HENKELS & MCCOY WEST, LLC | 132 | 83 | addition, electrical, plumbing | Feb 2025 |
| 15 | TEICHERT PIPELINES INC | 126 | 87 | electrical, interior_remodel, renovation | Jun 2026 |
| 16 | Axia Solar | 119 | 100 | battery, electrical, ev_charger | Oct 2026 |
| 17 | NPL CONSTRUCTION CO. | 119 | 95 | demolition, electrical, hvac | Jun 2026 |
| 18 | bright way construction inc | 119 | 75 | addition, demolition, electrical | Nov 2025 |
| 19 | PULTE HOME COMPANY LLC | 113 | 100 | addition, demolition, electrical | Jun 2025 |
| 20 | RELIABLE ENERGY MANAGEMENT INC. | 108 | 95 | addition, electrical, hvac | Sep 2026 |
| 21 | MERITAGE HOMES OF CALIFORNIA INC | 106 | 100 | addition, demolition, electrical | Jul 2026 |
| 22 | Tesla Energy, Inc | 104 | 100 | addition, battery, electrical | Oct 2026 |
| 23 | SunPower Corporation | 101 | 99 | electrical, fire_alarm, interior_remodel | Sep 2023 |
| 24 | ROWLAND AIR INC | 89 | 93 | electrical, ev_charger, hvac | Sep 2026 |
| 25 | Eric Construction | 79 | 82 | addition, demolition, electrical | Jul 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 Los Angeles County.
Query contractors, scores, and permits programmatically — GET /v1/contractors/search?state=CA&sort=score