The 25 contractors pulling the most building permits in Detroit, ranked by PermitStack's activity score — built from 183,855 permits on file. Updated from live public records.
| # | Contractor | Permits | Score | Top trades | Last permit |
|---|---|---|---|---|---|
| 1 | DWSD LEAD SERVICE REPLACEMENT | 7,911 | 61 | electrical, plumbing | Oct 2026 |
| 2 | AIR COMFORT PRO LLC | 3,007 | 61 | electrical, hvac, mechanical | Oct 2026 |
| 3 | RANDAZZO MECHANICAL | 2,991 | 61 | electrical, ev_charger, hvac | Sep 2026 |
| 4 | GAYANGA CO. | 2,314 | 79 | demolition, interior_remodel, plumbing | Sep 2025 |
| 5 | MICH CONSOLIDATED GAS CO | 2,116 | 61 | electrical, hvac, mechanical | Oct 2026 |
| 6 | MICHIGAN CONSOLIDATED GAS CO | 1,388 | 62 | electrical, hvac, mechanical | Aug 2026 |
| 7 | Foundation Systems of MI | 1,233 | 61 | battery, electrical, mechanical | Sep 2026 |
| 8 | CREGGER ENTERPRISES | 1,070 | 61 | electrical, hvac, mechanical | Sep 2026 |
| 9 | HOMRICH WRECKING INC | 1,058 | 47 | demolition, electrical | Oct 2023 |
| 10 | DMC CONSULTANTS INC | 1,007 | 61 | demolition, plumbing, roofing | Oct 2026 |
| 11 | INNER CITY CONTRACTING | 861 | 85 | demolition, foundation, hvac | Mar 2024 |
| 12 | MOTOR CITY HEATING & COOLING | 827 | 61 | electrical, hvac, mechanical | Feb 2025 |
| 13 | FAMILY HEATING LLC | 818 | 61 | electrical, hvac, mechanical | Oct 2026 |
| 14 | RANDAZZO MECHANICAL & HEATING (E) | 806 | 52 | electrical, hvac, mechanical | Feb 2025 |
| 15 | FAMILY HEATING,CLG, & ELE | 775 | 59 | electrical, hvac, mechanical | Oct 2026 |
| 16 | RANDAZZO MECHANICAL & HEATING | 727 | 50 | electrical, hvac, mechanical | Dec 2024 |
| 17 | A&H HVAC | 710 | 59 | electrical, hvac, mechanical | Oct 2026 |
| 18 | ALADDIN HEATING & COOLING | 646 | 82 | electrical, hvac, interior_remodel | Oct 2026 |
| 19 | SC ENVIRONMENTAL SERVICES, LLC | 642 | 58 | demolition, plumbing | Oct 2026 |
| 20 | Macson Electric | 599 | 78 | battery, electrical, hvac | Sep 2026 |
| 21 | KONE INC | 582 | 100 | addition, battery, demolition | Sep 2026 |
| 22 | Sharons Heating & Air Conditioning | 567 | 54 | electrical, hvac, mechanical | Nov 2025 |
| 23 | LAKESHORE GLOBAL CORPORATION | 515 | 55 | plumbing | Apr 2026 |
| 24 | BANKS ELECTRIC | 477 | 74 | electrical, fire_alarm, hvac | Sep 2026 |
| 25 | BRIDGEWOOD ELECTRICAL LLC | 440 | 58 | electrical, hvac, interior_remodel | Jul 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 Detroit.
Query contractors, scores, and permits programmatically — GET /v1/contractors/search?state=MI&sort=score