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COMPANY RECORD · DETROIT, MI

W.J. O'neil Company — permit history in Detroit, MI

W.J. O'neil Company appears on 43 Detroit permit records from 2021 through 2026, most often mechanical / hvac (53.5% of the record).

Permit categories

CategoryPermitsShare
Mechanical / HVAC2353.5%
Plumbing2046.5%

2 categories, as classified by the issuing authority. Small categories stay visible rather than being rounded away.

Activity by year

YearPermits issued
20216
20226
202313
202413
20254
20261

Busiest year on record: 2023, with 13 permits. One project can account for several filings, so read this as filing activity rather than workload.

Where they worked

Address in sourceMost recent permit
2001 15th St2026-01-09
660 Plaza Dr2025-10-23
4201 Saint Antoine St, #22025-08-11
2000 2nd St2025-02-26
14044 Schaefer Hwy2024-12-23
4001 W Eight Mile2023-11-30
2001 MYRTLE2023-06-28
19801 Prevost St2023-06-28
1981 McKinstry St2023-06-28
3811 Cicotte St2023-06-28
6021 McMillan St2023-06-28
8145 Puritan St2023-06-28
4390 Conner St2023-05-11
719 Griswold St2023-02-27

22 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

43 permits; open the full list
PermitIssuedCategoryAddress in sourceScope as filedDeclared value
MEC2026-001182026-01-09Mechanical / HVAC2001 15th StGas piping systems
PLM2025-104632025-12-08Plumbing2001 15th StInstall dishwashers, floor drains, water heaters, etc.
MEC2025-067362025-10-23Mechanical / HVAC660 Plaza DrMechanical permit
MEC2025-054932025-08-11Mechanical / HVAC4201 Saint Antoine St, #2Hydronic piping alteration
PLM2025-026142025-02-26Plumbing2000 2nd StPlumbing work at DTE job # 80-25-004
PLM2024-121822024-12-23Plumbing14044 Schaefer HwyPlumbing permit for DDOT maintenance building.
MEC2024-065052024-11-15Mechanical / HVAC14044 Schaefer HwyMechanical work - fleet maintenance
MEC2024-065062024-11-15Mechanical / HVAC14044 Schaefer Hwy11-24-020 - DDOT Mechanical - OPS/Admin
MEC2024-065002024-11-14Mechanical / HVAC14044 Schaefer HwyMechanical work at bus storage
PLM2024-073022024-08-01Plumbing2001 15th StPlumbing
MEC2024-042212024-08-01Mechanical / HVAC2001 15th StMechanical
MEC2024-040962024-07-25Mechanical / HVAC2001 15th StFCU's and hydronic piping
PLM2024-053232024-06-13Plumbing14044 Schaefer HwyPlumbing work at DDOT
MEC2024-029052024-05-28Mechanical / HVAC2001 15th StInstall / relocate fan coil units & misc duct
PLM2024-037522024-04-23Plumbing2001 15th StPlubming for FSR2
MEC2024-012102024-03-08Mechanical / HVAC2001 15th St11-24-010 - MCS PR72 Mechanical Permit
PLM2024-012742024-02-20Plumbing2001 15th StRenovation for recent work scope for PR72
MEC2024-005012024-02-01Mechanical / HVAC2001 15th StMCS Youth Floor Renovations/Repair - Add on to MEC2023-05770
MEC2023-058882023-11-30Mechanical / HVAC4001 W Eight MileExhaust system and alteration of space heating/cooling distribution system
PLM2023-037382023-11-21Plumbing2001 15th StMCS Youth Floor Renovations/Repair
MEC2023-057702023-11-21Mechanical / HVAC2001 15th StMCS Youth Floor Renovations/Repair
PLM2023-034512023-10-30Plumbing14044 Schaefer Hwy11-23-075 DDOT Plumbing
PLM2023-018492023-07-11Plumbing2000 2nd StDTE Oil Separator and Condensate Receiver Project
PLM2023-016992023-06-28Plumbing2001 MYRTLEFlood sinks
PLM2023-017002023-06-28Plumbing19801 Prevost StFloor sinks
PLM2023-017012023-06-28Plumbing1981 McKinstry StFloor drains
PLM2023-016972023-06-28Plumbing3811 Cicotte StFloor sinks
PLM2023-017022023-06-28Plumbing6021 McMillan StFloor drains
PLM2023-016982023-06-28Plumbing8145 Puritan StFloor sinks
PLM2023-009562023-05-11Plumbing4390 Conner StRelocate temp shower, install water line & drain
PLM2023-003952023-02-27Plumbing719 Griswold StSuite 620. Remove and replace plumbing
MEC2022-050802022-11-02Mechanical / HVAC2101 Conner LnInstall refrigeration systems
MEC2022-046592022-10-11Mechanical / HVAC300 River Pl
MEC2022-043302022-09-20Mechanical / HVAC2001 15th StGas Pressure Testing
MEC2022-039612022-08-24Mechanical / HVAC250 E Harbortown DrCooling tower replacement
PLM2022-018202022-08-18Plumbing250 E Harbortown DrReplacement of pump skid
MEC2022-033372022-07-20Mechanical / HVAC2001 15th StInstall gas piping system
MEC2021-024862021-06-04Mechanical / HVAC1225 Woodward AveInstall HVAC Equip
MEC2021-021392021-05-13Mechanical / HVAC1 ENERGY PLAZAFreight elevator mechanical room ventilation system. Installing fan, 2 dampers, and louver.
MEC2021-020032021-05-05Mechanical / HVAC1779 Meldrum StInstall misc. HVAC equipment and mechanical utility piping
MEC2021-019992021-05-05Mechanical / HVAC1700 MT ELLIOTTAdd on to MEC2021-00624
PLM2021-006442021-04-13Plumbing1501 Wabash StConstruction of new 6 story parking structure. Provide and install plumbing, piping, and equipment throughout garage.
MEC2021-016162021-04-13Mechanical / HVAC1501 Wabash StInstalling and providing mechanical work for new 6 story parking structure.

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 →