The 25 contractors pulling the most building permits in Tustin, ranked by PermitStack's activity score — built from 86,400 permits on file. Updated from live public records.
| # | Contractor | Permits | Score | Top trades | Last permit |
|---|---|---|---|---|---|
| 1 | SCOTT PLUMBING INC | 520 | 95 | addition, hvac, interior_remodel | Jul 2026 |
| 2 | BROOKFIELD TUSTIN TOWNS LLC | 328 | 66 | electrical, fence, grading | Nov 2023 |
| 3 | Sunrun Installation Services, Inc | 316 | 100 | addition, battery, electrical | Jul 2026 |
| 4 | L U ELECTRIC INC | 267 | 89 | electrical, hvac, interior_remodel | Apr 2026 |
| 5 | SERVICE CHAMPIONS | 246 | 100 | addition, electrical, hvac | Jul 2026 |
| 6 | LENNAR CORPORATION | 240 | 85 | addition, electrical, fence | Sep 2020 |
| 7 | AmTech Heating & Air | 238 | 79 | addition, hvac, interior_remodel | Aug 2026 |
| 8 | TESLA INC | 203 | 100 | addition, battery, electrical | Jul 2026 |
| 9 | Mike Rovner Construction | 194 | 85 | addition, electrical, fence | Apr 2026 |
| 10 | Cuesta Construction Corp | 190 | 83 | addition, demolition, electrical | Jul 2026 |
| 11 | Sunrun Inc | 177 | 100 | addition, battery, electrical | Jul 2026 |
| 12 | TAYLOR MORRISON SERVICES INC | 115 | 94 | addition, demolition, electrical | Apr 2024 |
| 13 | GREYTHON CONSTRUCTION | 114 | 80 | addition, demolition, electrical | Aug 2026 |
| 14 | Solar Optimum, Inc | 113 | 100 | addition, battery, electrical | Apr 2026 |
| 15 | ASSOCIATED HEATING & AIR INC | 111 | 76 | addition, electrical, hvac | Jul 2026 |
| 16 | FEDRA Heating | 104 | 70 | hvac, interior_remodel, mechanical | Aug 2026 |
| 17 | SUNPOWER CORPORATION SYSTEMS | 99 | 99 | addition, battery, electrical | Jul 2024 |
| 18 | INTEGRITY BUILDERS GENERAL CONTRACTORS INC | 90 | 77 | addition, electrical, fence | Aug 2019 |
| 19 | ROYAL WINDOW PRODUCTS INC | 81 | 54 | interior_remodel, roofing | Nov 2018 |
| 20 | MERITAGE HOMES OF CALIFORNIA INC | 76 | 100 | addition, demolition, electrical | Jun 2026 |
| 21 | Service First Inc | 73 | 92 | addition, demolition, electrical | Oct 2025 |
| 22 | Lennar Homes California Coastal Division | 72 | 46 | electrical, grading, interior_remodel | Dec 2019 |
| 23 | Tesla Energy, Inc | 68 | 100 | addition, battery, electrical | May 2023 |
| 24 | Bright Planet Solar | 68 | 100 | addition, battery, electrical | Nov 2025 |
| 25 | TLP Electric integrations, inc. | 68 | 99 | battery, electrical, interior_remodel | Mar 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 Tustin.
Query contractors, scores, and permits programmatically — GET /v1/contractors/search?state=CA&sort=score