The 25 contractors pulling the most building permits in Poway Online Services, ranked by PermitStack's activity score — built from 38,152 permits on file. Updated from live public records.
| # | Contractor | Permits | Score | Top trades | Last permit |
|---|---|---|---|---|---|
| 1 | NB BAKER ELECTRIC INC | 1,533 | 97 | battery, electrical, ev_charger | Dec 2025 |
| 2 | CALIFORNIA DELTA MECHANICAL INC | 593 | 100 | electrical, hvac, interior_remodel | Dec 2025 |
| 3 | ASI Hastings, Inc | 555 | 100 | battery, electrical, fire_alarm | Dec 2025 |
| 4 | SEMPER SOLARIS CONSTRUCTION INC | 400 | 100 | battery, electrical, ev_charger | Jul 2022 |
| 5 | Sullivan Solar Power | 398 | 90 | battery, electrical, ev_charger | Sep 2021 |
| 6 | Sunrun Installation Services, Inc | 380 | 100 | addition, battery, electrical | Aug 2024 |
| 7 | LENNAR HOMES OF CALIFORNIA INC | 320 | 100 | addition, battery, demolition | Dec 2025 |
| 8 | Vivint Solar Developer, LLC. | 314 | 98 | addition, battery, electrical | Jul 2020 |
| 9 | West Coast Appliance Services, Inc | 280 | 95 | electrical, hvac, interior_remodel | Dec 2025 |
| 10 | Sunrun Inc | 276 | 100 | addition, battery, electrical | Dec 2025 |
| 11 | ASI HEATING AND AIR | 272 | 55 | electrical, hvac, mechanical | Jun 2022 |
| 12 | STELLAR SOLAR ELECT | 227 | 56 | electrical | Dec 2022 |
| 13 | Sunline Energy Inc | 216 | 99 | battery, demolition, electrical | Nov 2025 |
| 14 | SOLAR TECH ENERGY SYSTEMS INC | 172 | 100 | addition, battery, electrical | Dec 2025 |
| 15 | MAUZY HEATING AND AIR CONDITIONING | 162 | 74 | electrical, hvac, mechanical | Dec 2025 |
| 16 | TOP LINE ROOFING | 141 | 80 | roofing, solar | Aug 2025 |
| 17 | Palomar Solar, Ltd. | 138 | 100 | battery, electrical, roofing | Oct 2025 |
| 18 | MILHOLLAND ELECTRIC INC | 136 | 98 | battery, electrical, ev_charger | Aug 2023 |
| 19 | WALTER ANDERSON PLUMBING | 133 | 97 | electrical, hvac, interior_remodel | Dec 2025 |
| 20 | TR Construction | 131 | 83 | addition, demolition, electrical | Dec 2025 |
| 21 | Sungenia Solar Solutions | 125 | 100 | electrical, roofing, solar | Dec 2025 |
| 22 | SMITH ELECTRICAL CONTRACTORS | 124 | 97 | battery, electrical, ev_charger | Oct 2025 |
| 23 | Solare Energy, Inc. | 120 | 97 | addition, battery, electrical | Jun 2025 |
| 24 | Bright Planet Solar | 117 | 100 | battery, electrical, grading | Nov 2025 |
| 25 | ALL AMERICAN PLUMBING INC | 103 | 100 | addition, electrical, hvac | Oct 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 Poway Online Services.
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