PERMIT RECORD · DETROIT, MI
Detroit, MI building permits
117,969 permits issued between 2019 and 2026, naming 5,943 companies. In the last twelve months: 15,208 permits from 1,250 companies.
What gets permitted here
| Trade | Permits | Share |
|---|---|---|
| Mechanical / HVAC | 44,658 | 37.9% |
| Electrical | 36,752 | 31.2% |
| Plumbing | 34,204 | 29% |
| Fire protection | 2,355 | 2% |
Counts are distinct permit numbers as classified by the issuing authority. A permit is a filing, not a completed job.
Activity by year
| Year | Permits |
|---|---|
| 2019 | 13,238 |
| 2020 | 8,923 |
| 2021 | 12,799 |
| 2022 | 12,128 |
| 2023 | 14,030 |
| 2024 | 23,189 |
| 2025 | 20,916 |
| 2026 | 12,746 |
Most active companies, last 12 months
| Company | Permits |
|---|---|
| Randazzo Mechanical | 960 |
| Mich Consolidated Gas Co | 498 |
| Andy's Statewide | 357 |
| Air Comfort Pro LLC | 275 |
| Flame Furnace | 262 |
| Flame Furnace | 194 |
| A&H HVAC | 174 |
| Detroit Furnace | 139 |
| Keith Electric | 127 |
| Comfort 1St Heating & Cooling | 123 |
Ranked by permit count, which measures filing volume — not revenue, crew size or quality. Company histories for Detroit are searchable but not yet published as pages. Search them →
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We send new permits matching what you are looking at — the same public records shown on this page, as they are issued.
Source
City of Detroit (ArcGIS Trades Permits). Records are refreshed daily and every figure on this page counts distinct permit numbers. Verify any individual record with the issuing authority before acting on it. How we build these records →