COMPANY RECORD · DETROIT, MI
Guardian Environmental Services, Inc. — permit history in Detroit, MI
Guardian Environmental Services, Inc. appears on 31 Detroit permit records from 2021 through 2025, all of them mechanical / hvac.
Permit categories
| Category | Permits | Share |
|---|---|---|
| Mechanical / HVAC | 31 | 100% |
Activity by year
| Year | Permits issued |
|---|---|
| 2021 | 3 |
| 2022 | 17 |
| 2023 | 3 |
| 2024 | 2 |
| 2025 | 6 |
Busiest year on record: 2022, with 17 permits. One project can account for several filings, so read this as filing activity rather than workload.
Where they worked
| Address in source | Most recent permit |
|---|---|
| 11600 E Seven Mile | 2025-12-01 |
| 4410 Porter St | 2025-08-18 |
| 22930 Chippewa St | 2025-07-14 |
| 8445 Lyndon St | 2025-05-30 |
| 500 Woodward Ave | 2025-02-12 |
| 5757 Trumbull St | 2024-12-06 |
| 2799 W Grand Blvd | 2024-04-23 |
| 1761 Waterman St | 2023-09-08 |
| 4001 W McNichols Rd | 2023-08-14 |
| 7554 MILLER | 2022-11-23 |
| 238 RENAISSANCE CTR | 2022-09-19 |
| 1234 Porter St | 2022-04-20 |
| 22101 Moross Rd | 2022-01-06 |
13 distinct addresses on record. Addresses appear as the authority published them. A permit is a filing at an address, not a completed job there.
Permits on record
31 permits; open the full list
| Permit | Issued | Category | Address in source | Scope as filed | Declared value |
|---|---|---|---|---|---|
| MEC2025-07357 | 2025-12-01 | Mechanical / HVAC | 11600 E Seven Mile | Extend (2) Duct runs from hard ceiling down into new drop ceiling | |
| MEC2025-05551 | 2025-08-18 | Mechanical / HVAC | 4410 Porter St | Furnish and Install (2) 3ton wall mount mini spilt AC syastems | |
| MEC2025-04931 | 2025-07-14 | Mechanical / HVAC | 22930 Chippewa St | Demo 8 existing unit ventilators with split refrigerant system. Install 8 new unit ventilators with split refrigerant systems. | |
| MEC2025-04082 | 2025-05-30 | Mechanical / HVAC | 8445 Lyndon St | new RTU install under existing permit (MEC2025-02740) new permit to include pressure test gas piping, Gas piping permit, self-contained refrigerant system Air balance at end | |
| MEC2025-02740 | 2025-04-10 | Mechanical / HVAC | 8445 Lyndon St | install curb, 10 ton RTU, Hepa filters, Smoke detector, Full duct system | |
| MEC2025-01170 | 2025-02-12 | Mechanical / HVAC | 500 Woodward Ave | Relocate 1 VAV and Branch Duct | |
| MEC2024-06877 | 2024-12-06 | Mechanical / HVAC | 5757 Trumbull St | disconnect duct work, low voltage. and gas piping. Then reconnect. Utilize crane to remove and install MUA | |
| MEC2024-02118 | 2024-04-23 | Mechanical / HVAC | 2799 W Grand Blvd | repair ice machine | |
| MEC2023-04336 | 2023-09-08 | Mechanical / HVAC | 1761 Waterman St | This goes with permit MEC2023-03983 | |
| MEC2023-03983 | 2023-08-14 | Mechanical / HVAC | 1761 Waterman St | Supply and install furnaces with split ac system | |
| MEC2023-03988 | 2023-08-14 | Mechanical / HVAC | 4001 W McNichols Rd | Supply and install refrigeration system, exhaust system per plans provided | |
| MEC2022-05487 | 2022-11-23 | Mechanical / HVAC | 7554 MILLER | ||
| MEC2022-05002 | 2022-10-28 | Mechanical / HVAC | 7554 MILLER | ||
| MEC2022-04490 | 2022-09-30 | Mechanical / HVAC | 4001 W McNichols Rd | ||
| MEC2022-04323 | 2022-09-19 | Mechanical / HVAC | 238 RENAISSANCE CTR | AKA: 238 Beaubien Blvd. Parking Garage: Level 6 | |
| MEC2022-02366 | 2022-05-26 | Mechanical / HVAC | 7554 MILLER | ||
| MEC2022-02364 | 2022-05-26 | Mechanical / HVAC | 7554 MILLER | ||
| MEC2022-02363 | 2022-05-26 | Mechanical / HVAC | 7554 MILLER | ||
| MEC2022-02367 | 2022-05-26 | Mechanical / HVAC | 7554 MILLER | ||
| MEC2022-02365 | 2022-05-26 | Mechanical / HVAC | 7554 MILLER | ||
| MEC2022-02282 | 2022-05-19 | Mechanical / HVAC | 7554 MILLER | ||
| MEC2022-02129 | 2022-05-09 | Mechanical / HVAC | 4001 W McNichols Rd | ||
| MEC2022-01801 | 2022-04-20 | Mechanical / HVAC | 1234 Porter St | install exhaust fan | |
| MEC2022-01038 | 2022-03-03 | Mechanical / HVAC | 7554 MILLER | ||
| MEC2022-00964 | 2022-02-28 | Mechanical / HVAC | 7554 MILLER | ||
| MEC2022-00708 | 2022-02-11 | Mechanical / HVAC | 7554 MILLER | ||
| MEC2022-00383 | 2022-01-25 | Mechanical / HVAC | 7554 MILLER | ||
| MEC2022-00067 | 2022-01-06 | Mechanical / HVAC | 22101 Moross Rd | Replacing 5 grills installing 20ft of duct work | |
| MEC2021-05712 | 2021-11-16 | Mechanical / HVAC | 7554 MILLER | ||
| MEC2021-05132 | 2021-10-18 | Mechanical / HVAC | 22101 Moross Rd | ||
| MEC2021-04712 | 2021-09-28 | Mechanical / HVAC | 7554 MILLER | RTU,ERVs,Furnaces |
Fields appear as the issuing authority published them, including spelling and blanks. Scope text is the applicant's description of intended work, not an inspection finding.
Source and limits
Public Detroit permit records through 2025, counted by distinct permit number. This is a historical filing record: it cannot show current backlog, pricing, crew availability, licensing or insurance, and a quiet period may only mean work was filed elsewhere. Confirm anything commercial with the company and with the issuing authority before acting. How we build these records, and what we withhold →