COMPANY RECORD · DETROIT, MI
Guardian Plumbing & Heating Inc — permit history in Detroit, MI
Guardian Plumbing & Heating Inc appears on 57 Detroit permit records from 2019 through 2026, most often plumbing (96.5% of the record).
Permit categories
| Category | Permits | Share |
|---|---|---|
| Plumbing | 55 | 96.5% |
| Mechanical / HVAC | 2 | 3.5% |
2 categories, as classified by the issuing authority. Small categories stay visible rather than being rounded away.
Activity by year
| Year | Permits issued |
|---|---|
| 2019 | 22 |
| 2020 | 6 |
| 2021 | 17 |
| 2022 | 8 |
| 2023 | 1 |
| 2025 | 1 |
| 2026 | 2 |
Busiest year on record: 2019, with 22 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 |
|---|---|
| 1120 W Baltimore St | 2026-03-02 |
| 7441 Elmhurst St | 2026-01-22 |
| 2850 W Grand Blvd | 2025-11-05 |
| 4601 Nancy St | 2023-04-18 |
| 22101 Moross Rd | 2022-08-19 |
| 18845 Mack Ave | 2022-06-07 |
| 400 Renaissance Ctr | 2022-05-13 |
| 4001 W McNichols Rd | 2022-03-29 |
| 1234 Porter St | 2022-03-29 |
| 13530 Evergreen Rd | 2022-01-19 |
| 2771 Hammond St | 2022-01-19 |
| 411 W Lafayette Blvd | 2021-12-02 |
| 6425 Riopelle St | 2021-11-30 |
| 1955 Alfred St | 2021-11-08 |
46 distinct addresses on record; the 14 most recent are shown. Addresses appear as the authority published them. A permit is a filing at an address, not a completed job there.
Permits on record
57 permits; open the 50 most recent
| Permit | Issued | Category | Address in source | Scope as filed | Declared value |
|---|---|---|---|---|---|
| PLM2026-00677 | 2026-03-02 | Plumbing | 1120 W Baltimore St | PLUMBING PERMIT BLD2024-00920 | |
| PLM2026-00164 | 2026-01-22 | Plumbing | 7441 Elmhurst St | plm | |
| PLM2025-09880 | 2025-11-05 | Plumbing | 2850 W Grand Blvd | plm | |
| PLM2023-00702 | 2023-04-18 | Plumbing | 4601 Nancy St | SEE NOTES. | |
| PLM2022-01823 | 2022-08-19 | Plumbing | 22101 Moross Rd | ||
| PLM2022-01208 | 2022-06-07 | Plumbing | 18845 Mack Ave | REPLACE 1.25" PVB ON LAWN IRRIGATION | |
| PLM2022-00978 | 2022-05-13 | Plumbing | 400 Renaissance Ctr | REMOVE AND REPLACE 50 GAL WATER HEATER | |
| PLM2022-00929 | 2022-05-05 | Plumbing | 18845 Mack Ave | REPLACE 40 GAL GAS DHW | |
| PLM2022-00534 | 2022-03-29 | Plumbing | 4001 W McNichols Rd | ||
| PLM2022-00535 | 2022-03-29 | Plumbing | 1234 Porter St | ||
| PLM2022-00113 | 2022-01-19 | Plumbing | 13530 Evergreen Rd | REMOVE & REPLACE 2 WATER HEATERS | |
| PLM2022-00110 | 2022-01-19 | Plumbing | 2771 Hammond St | REMOVE AND REPLACE 50 GAL WATER HEATER | |
| MEC2021-06020 | 2021-12-02 | Mechanical / HVAC | 4001 W McNichols Rd | Alterations and additions | |
| PLM2021-02404 | 2021-12-02 | Plumbing | 411 W Lafayette Blvd | AREA P-615: HEATER INSTALLATION: • Assist customer Engineering / Maintenance staff with shutdown of affected system; • Provide removal of 100 gallon elec | |
| PLM2021-02377 | 2021-11-30 | Plumbing | 6425 Riopelle St | REMOVE AND REPLACE 50 GAL WATER HEATER | |
| MEC2021-05506 | 2021-11-08 | Mechanical / HVAC | 1955 Alfred St | Replace furnace with Payne PG80ESAA60135D | |
| PLM2020-00702 | 2021-10-20 | Plumbing | 1 ENERGY PLAZA | ||
| PLM2021-01996 | 2021-10-07 | Plumbing | 600 W Lafayette Blvd | Renovation of Security Command Center | |
| PLM2021-01867 | 2021-09-16 | Plumbing | 1530 Trombly St | DTE Trombly RR Reno | |
| PLM2021-01650 | 2021-08-24 | Plumbing | 20500 Van Dyke St | Resolve city of Detroit violations: - re-install Watts 909 0.75" RPZ at boiler to code - install beverage BFP at coffee machine | |
| PLM2021-01461 | 2021-07-30 | Plumbing | 15633 W Seven Mile | REMOVE AND REPLACE 40 GALLON DOMESTIC HOT WATER | |
| PLM2021-01455 | 2021-07-29 | Plumbing | 18203 Fenkell St | ||
| PLM2021-01373 | 2021-07-20 | Plumbing | 11606 Woodward Ave | REMOVE & REPLACE 1022 BACKFLOW PREVENTER FOR COFFEE MACHINE IN BASEMENT BREAK ROOM | |
| PLM2021-01284 | 2021-07-12 | Plumbing | 611 Woodward Ave | REMOVE AND REPLACE BFP DEVICE • Isolate existing RPZ backflow preventer (RPZ Serial #375269); • Remove and replace existing outdated assembly with manufacturer specified current mo | |
| PLM2021-01217 | 2021-06-30 | Plumbing | 211 W Fort St | ||
| PLM2020-00626 | 2021-06-23 | Plumbing | 5500 Trumbull St | APARTMENT 5614 REMOVE AND REPLACE 40 GAL ELECTRIC WATER HEATER SITE CONTACT: MIKE ROSS 313-283-5447 | |
| PLM2021-00546 | 2021-03-30 | Plumbing | 421 Madison St | REPLACED BACKFLOW ON BOILER FEED. LOCATION IS 6TH FLOOR MECHANICAL ROOM - PENTHOUSE. CONTACT AT SITE: MIKE RESTUM @ (313)530-5003 | |
| PLM2021-00556 | 2021-03-30 | Plumbing | 6200 W Warren Ave | INSTALL NEW 3/4" RPZ ON COLD FEED AT LAB SINK. CONTACT AT SITE IS MIKE BRIDGES (313)410-2830 | |
| PLM2021-00019 | 2021-01-06 | Plumbing | 22101 Moross Rd | ||
| PLM2020-01124 | 2020-09-15 | Plumbing | 17221 W Eight Mile | REMOVE AND REPLACE 40 GAL WATER HEATER | |
| PLM2020-00562 | 2020-05-18 | Plumbing | 22151 Moross Rd | Plumbing Renovation | |
| PLM2020-00561 | 2020-05-15 | Plumbing | 22101 Moross Rd | ||
| PLM2020-00413 | 2020-03-02 | Plumbing | 150 W Jefferson Ave | ||
| PLM2020-00133 | 2020-01-17 | Plumbing | 1 ENERGY PLAZA | ||
| PLM2020-00141 | 2020-01-17 | Plumbing | 15751 Joy Rd | ||
| PLM2019-02390 | 2019-12-18 | Plumbing | 2645 Woodward Ave | ||
| PLM2019-02255 | 2019-11-25 | Plumbing | 7940 Livernois Ave | ||
| PLM2019-02254 | 2019-11-25 | Plumbing | 15751 Joy Rd | ||
| PLM2019-02234 | 2019-11-25 | Plumbing | 1201 Caniff St | REMOVE AND REPLACE WATER HEATER IN UNIT 20347 | |
| PLM2019-02216 | 2019-11-20 | Plumbing | 22101 Moross Rd | ||
| PLM2019-01896 | 2019-10-03 | Plumbing | 8035 South St | ||
| PLM2019-01729 | 2019-09-06 | Plumbing | 2281 Gratiot Ave | ||
| PLM2019-01552 | 2019-08-14 | Plumbing | 20201 Plymouth Rd | ||
| PLM2019-01503 | 2019-08-08 | Plumbing | 4701 Chrysler | ||
| PLM2019-01414 | 2019-07-24 | Plumbing | 4701 Chrysler | PLUMBING - REMOVE & REPLACE WATER HEATER @ 4625 CHRYSLER | |
| PLM2019-01320 | 2019-07-10 | Plumbing | 4701 Chrysler | PLUMBING | |
| PLM2019-01319 | 2019-07-10 | Plumbing | 16933 Meyers Rd | PLUMBING | |
| PLM2019-01017 | 2019-06-05 | Plumbing | 4701 Chrysler | ||
| PLM2019-00880 | 2019-05-13 | Plumbing | 22101 Moross Rd | ||
| PLM2019-00848 | 2019-05-10 | Plumbing | 4609 ST ANTOINE |
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 2026, 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 →
