The 25 contractors pulling the most building permits in Westminster, ranked by PermitStack's activity score — built from 218,989 permits on file. Updated from live public records.
| # | Contractor | Permits | Score | Top trades | Last permit |
|---|---|---|---|---|---|
| 1 | PLUMBLINE SERVICES | 1,486 | 92 | electrical, ev_charger, fence | Oct 2026 |
| 2 | COOPER HEATING & COOLING INC. | 953 | 100 | addition, electrical, ev_charger | Jul 2023 |
| 3 | AAA SERVICE PLUMBING, LLC | 888 | 90 | electrical, ev_charger, hvac | Oct 2026 |
| 4 | AAA FIRE PROTECTION CO | 875 | 99 | addition, battery, demolition | Oct 2026 |
| 5 | Sunrun Installation Services I | 769 | 100 | battery, electrical, ev_charger | Feb 2025 |
| 6 | PREMIER ROOFING | 691 | 100 | addition, demolition, electrical | Apr 2026 |
| 7 | Master Rooter Corp | 647 | 78 | electrical, interior_remodel, plumbing | Apr 2020 |
| 8 | APPLEWOOD PLUMBING HEATING & E... | 610 | 76 | electrical, hvac, mechanical | Oct 2026 |
| 9 | TRENCH RIGHT LLC | 486 | 82 | hvac, interior_remodel, plumbing | Aug 2023 |
| 10 | COOPER HEATING AND COOLING | 454 | 87 | addition, battery, electrical | Oct 2026 |
| 11 | PROFESSIONAL SEWER EXCAVATION LLC | 452 | 79 | hvac, interior_remodel, plumbing | Sep 2026 |
| 12 | Sturgeon Electric Company, Inc. | 445 | 98 | addition, demolition, electrical | Sep 2026 |
| 13 | STEADFAST PLUMBING INC | 439 | 83 | electrical, new_construction, plumbing | Nov 2024 |
| 14 | PAULEY CONSTRUCTION, LLC | 404 | 97 | battery, electrical, interior_remodel | Aug 2026 |
| 15 | FIX-IT GROUP LLC (PLUMBING) | 384 | 50 | electrical, hvac, mechanical | Jul 2025 |
| 16 | HOOPER CORPORATION | 371 | 80 | demolition, electrical, ev_charger | Sep 2026 |
| 17 | BARLO INC DBA INTERSTATE ROOFI... | 350 | 72 | hvac, renovation, roofing | Apr 2026 |
| 18 | BROTHERS PLUMBING HEATING & E... | 341 | 32 | electrical, hvac, mechanical | Mar 2022 |
| 19 | SITEWISE LLC | 329 | 83 | demolition, electrical, plumbing | Sep 2026 |
| 20 | JIM NEEDHAM PLUMBING LLC | 311 | 77 | hvac, interior_remodel, mechanical | Sep 2026 |
| 21 | BROTHERS PLUMBING HEATING | 304 | 53 | electrical, hvac, plumbing | Jun 2026 |
| 22 | SQUEAK SERVICES | 300 | 32 | demolition, hvac, interior_remodel | Mar 2022 |
| 23 | POWER HOME REMODELING GROUP LLC | 297 | 100 | addition, electrical, fence | Sep 2026 |
| 24 | SolarCity Corporation | 296 | 91 | addition, battery, demolition | Jul 2020 |
| 25 | REITZ ROOFING INC | 295 | 87 | hvac, new_construction, roofing | 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 Westminster.
Query contractors, scores, and permits programmatically — GET /v1/contractors/search?state=CO&sort=score