The 25 contractors pulling the most building permits in Fort Collins, ranked by PermitStack's activity score — built from 107,329 permits on file. Updated from live public records.
| # | Contractor | Permits | Score | Top trades | Last permit |
|---|---|---|---|---|---|
| 1 | KAHAR PLUMBING & HEATING | 485 | 57 | mechanical, plumbing, renovation | Jun 2026 |
| 2 | LION HOME SERVICE | 471 | 57 | electrical, hvac, mechanical | Jun 2026 |
| 3 | ALLEN PLUMBING & HEATING, LLC | 446 | 57 | electrical, interior_remodel, mechanical | Jun 2026 |
| 4 | DREAM FINDERS HOMES LLC | 297 | 92 | electrical, grading, hvac | Jun 2026 |
| 5 | SUNTALK SOLAR | 259 | 53 | renovation, solar | May 2026 |
| 6 | HAHN PLUMBING & HEATING | 236 | 53 | mechanical, plumbing, renovation | Jun 2026 |
| 7 | NORTHERN COLORADO AIR INC | 225 | 59 | electrical, hvac, interior_remodel | May 2026 |
| 8 | HORSETOOTH HEATING AND AIR | 202 | 52 | mechanical, plumbing | Jun 2026 |
| 9 | FORT COLLINS HEATING AND AIR | 193 | 52 | hvac, mechanical, plumbing | Jun 2026 |
| 10 | NOCO ROOFING | 171 | 51 | roofing | Jun 2026 |
| 11 | IMS HEATING & AIR INC | 168 | 54 | hvac, interior_remodel, mechanical | Jun 2026 |
| 12 | Swan Heating & Air | 157 | 52 | electrical, hvac, mechanical | Jun 2026 |
| 13 | SANDBOX SOLAR | 141 | 52 | battery, electrical, hvac | Jun 2026 |
| 14 | ANCHOR ROOFING | 130 | 72 | demolition, electrical, renovation | Jun 2026 |
| 15 | LIND'S PLUMBING & HTG INC | 118 | 47 | plumbing | Nov 2025 |
| 16 | HARTFORD CONSTRUCTION | 112 | 70 | new_construction, renovation | Feb 2026 |
| 17 | COLORADO DELTA MECHANICAL | 106 | 74 | hvac, interior_remodel, mechanical | Jun 2026 |
| 18 | PRYOR PLUMBING & HEATING | 102 | 49 | mechanical, plumbing | Jun 2026 |
| 19 | BLS ELECTRICAL INC | 95 | 68 | electrical, solar | Jun 2026 |
| 20 | LENNAR COLORADO LLC | 94 | 77 | interior_remodel, new_construction, renovation | Mar 2026 |
| 21 | Namaste Solar Electric, Inc. | 80 | 87 | battery, electrical, ev_charger | Jun 2026 |
| 22 | ARROWHEAD SERVICES LLC | 78 | 48 | plumbing, renovation | Jun 2026 |
| 23 | HORSETOOTH HEATING & AIR LLC | 75 | 48 | plumbing | Jun 2026 |
| 24 | INDEPENDENT PLUMBING SOLUTIONS, INC. | 72 | 47 | fire_alarm, mechanical, plumbing | Jun 2026 |
| 25 | BLUE FROG ROOFING LIMITED | 71 | 48 | roofing | Jun 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 Fort Collins.
Query contractors, scores, and permits programmatically — GET /v1/contractors/search?state=CO&sort=score