The 25 contractors pulling the most building permits in Davis, ranked by PermitStack's activity score — built from 91,048 permits on file. Updated from live public records.
| # | Contractor | Permits | Score | Top trades | Last permit |
|---|---|---|---|---|---|
| 1 | BLAKES REFRIG & A/C SERVICE | 6,649 | 81 | electrical, hvac, mechanical | Sep 2025 |
| 2 | PLUMBING MD LLC | 2,353 | 88 | electrical, hvac, interior_remodel | Sep 2026 |
| 3 | PLUMB PRO LLC | 1,444 | 93 | electrical, hvac, interior_remodel | Sep 2026 |
| 4 | GREINER HEATING-A/C INC | 1,095 | 60 | electrical, hvac, mechanical | Jan 2018 |
| 5 | GREINER HEATING-AIR-SOLAR ENER | 1,021 | 77 | battery, electrical, ev_charger | Feb 2025 |
| 6 | RABAINO ROOFING INC, MIKE | 932 | 85 | foundation, mechanical, renovation | Sep 2026 |
| 7 | West Coast Solar, Inc. | 917 | 100 | battery, electrical, ev_charger | Sep 2026 |
| 8 | NORTH PACIFIC PLUMBING, INC | 780 | 82 | electrical, hvac, interior_remodel | Sep 2026 |
| 9 | CALIFORNIA DELTA MECHANICAL INC | 685 | 100 | electrical, hvac, interior_remodel | Sep 2026 |
| 10 | WOODLAND ELECTRICAL ENTERPRISE | 608 | 82 | battery, electrical, ev_charger | Oct 2026 |
| 11 | Lucas Roofing, Inc | 591 | 86 | renovation, roofing, solar | Oct 2026 |
| 12 | SUNPOWER CORPORATION SYSTEMS | 547 | 100 | addition, battery, demolition | Apr 2024 |
| 13 | JEFF'S PLUMBING | 514 | 84 | hvac, interior_remodel, plumbing | Aug 2026 |
| 14 | Sunrun Inc | 497 | 100 | addition, battery, electrical | Jun 2026 |
| 15 | BONNEY PLUMBING LLC | 487 | 99 | addition, electrical, ev_charger | Sep 2026 |
| 16 | CARMICHAEL ROOFING INC | 483 | 71 | renovation, roofing | Oct 2023 |
| 17 | WATER HEATERS ONLY INC | 445 | 98 | electrical, hvac, interior_remodel | Jul 2026 |
| 18 | BEDROCK INVESTMENTS INC | 429 | 68 | addition, demolition, electrical | Nov 2023 |
| 19 | R & R Enterprises | 415 | 81 | electrical, roofing, solar | Sep 2026 |
| 20 | Morse Remodeling Inc | 392 | 82 | addition, demolition, electrical | Sep 2026 |
| 21 | GANESH WORKS AND CH SERVICES | 369 | 77 | addition, electrical, ev_charger | Sep 2026 |
| 22 | BLAKES HEATING & AIR CONDITION | 329 | 78 | hvac, mechanical | Oct 2026 |
| 23 | VALLEY ROOFING | 328 | 95 | addition, demolition, interior_remodel | Nov 2022 |
| 24 | KNIGHTWORKS ELECTRICAL | 325 | 77 | electrical, ev_charger, hvac | Sep 2026 |
| 25 | KITCHEN MART INC | 309 | 89 | addition, electrical, hvac | Sep 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 Davis.
Query contractors, scores, and permits programmatically — GET /v1/contractors/search?state=CA&sort=score