The 25 contractors pulling the most building permits in Boulder, ranked by PermitStack's activity score — built from 338,042 permits on file. Updated from live public records.
| # | Contractor | Permits | Score | Top trades | Last permit |
|---|---|---|---|---|---|
| 1 | Waiting for Licensed Contractor | 328 | 30 | addition, electrical, fence | Aug 2006 |
| 2 | SUPERSIGN INC | 298 | 30 | interior_remodel, sign, solar | May 2003 |
| 3 | WYCO FIRE PROTECTION INC | 288 | 29 | interior_remodel | Sep 2004 |
| 4 | CITY ELECTRIC, LLC | 256 | 87 | addition, electrical, fence | Nov 2001 |
| 5 | MEYERS HEATING AND A/C | 256 | 29 | addition, electrical, fence | Dec 2004 |
| 6 | EXCEL ELECTRIC CORPORATION | 247 | 29 | addition, electrical, interior_remodel | Aug 2004 |
| 7 | QUINLAN CONSTRUCTION INC | 184 | 76 | addition, demolition, fence | Jan 2005 |
| 8 | Design Mechanical | 168 | 81 | addition, electrical, hvac | Sep 2001 |
| 9 | BROWN PLUMBING AND HEATING | 165 | 27 | addition, electrical, interior_remodel | Jul 2003 |
| 10 | ELECTRICIANS INC OF BOULDER | 164 | 28 | addition, electrical, interior_remodel | Jul 2004 |
| 11 | MOUNTAIN VIEW ELECTRIC INC | 150 | 66 | addition, electrical, hvac | Apr 2001 |
| 12 | Alarm Detection Systems Inc. | 149 | 73 | electrical, fire_alarm, renovation | Nov 2004 |
| 13 | CRYSTAL ELECTRIC | 145 | 69 | addition, electrical, grading | Aug 2004 |
| 14 | WYATT CONSTRUCTION CO INC | 145 | 49 | addition, demolition, electrical | Mar 2005 |
| 15 | DENEUVE CONSTRUCTION | 142 | 26 | addition, electrical, fence | Apr 2003 |
| 16 | BLACK ROOFING, INC. | 128 | 57 | interior_remodel, renovation, roofing | Nov 2004 |
| 17 | QUICKPORCH INC | 117 | 25 | addition, interior_remodel, renovation | Feb 2003 |
| 18 | GLORY ELECTRIC INC | 108 | 25 | electrical, solar | May 2004 |
| 19 | ROBINSON MECHANICAL COMPANY | 102 | 24 | electrical, interior_remodel, mechanical | Oct 2000 |
| 20 | B&M ROOFING OF COLORADO | 91 | 78 | interior_remodel, renovation, roofing | Jun 2026 |
| 21 | BERNIE'S PLUMBING & HEATING, CO. | 88 | 50 | electrical, hvac, interior_remodel | Jun 2026 |
| 22 | MERIT ELECTRIC LLC | 86 | 95 | addition, electrical, fire_alarm | Nov 2004 |
| 23 | MASTER PLUMBERS INC | 84 | 23 | electrical, interior_remodel, mechanical | Oct 2003 |
| 24 | ACTION MOBILE HOME TRANSPORT | 83 | 24 | addition | Aug 2004 |
| 25 | RALPHS SERVICE | 83 | 23 | electrical, solar | Aug 1999 |
"Score" is a 0–100 activity index from permit volume, recency, project value, and geographic reach. "Permits" counts building permits this contractor pulled in Boulder.
Query contractors, scores, and permits programmatically — GET /v1/contractors/search?state=CO&sort=score