Updated: May 26, 2026
Location and Projects
Address
36348 Orchard, Clawson, MI, 48017
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Hosler Mechanical Inc
Hosler Mechanical Inc, 36348 Orchard, Clawson, MI (Owned by: Charles J Hosler) holds a Plumbing license and 14 other licenses according to the Michigan license board.
Their BuildZoom score of 101 ranks in the top 12% of 167,179 Michigan licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Hosler Mechanical Inc, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Hosler Mechanical Inc Contact Information
Phone Number: (248) 399-4200
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Address: 36348 Orchard, Clawson, MI 48017
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Building Permits by Hosler Mechanical Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Adding 2 labs under existing roof that has existing sprinklers building 31 alteration pgm thrifting-vehincle testing. install foundations & concrete pits for dynomometer installation. mechanical & electrical installations for the equipment install test cell wall & ceiling system. 3rd party soil bearing/concrete/& all structural steel required along with county inspections
Valuation:
N/A
Permit #:
PMEC2024-00440
Status:
issued
Fee:
$95
Permit Type:
N/A
Building Type:
N/A
1 new sprinkler head for the clean supply room for: phase 1 (of 4 phase project) remodel existing surgery center - renovation to existing surgery center to re-locate sterilization equirpment and storage areas and addition an operating room
Valuation:
N/A
Permit #:
PMEC2022-01180
Status:
issued
Fee:
$95
Permit Type:
Alteration
Building Type:
N/A
Work involves relocation of 6 existing pendant sprinklers in controlled substance room on lower level of the south tower at the beaumont hospital @ 3601 w thirteen mile in royal oak rok180066a
Valuation:
N/A
Permit #:
PM21-000207
Status:
issued
Fee:
$280
Permit Type:
N/A
Building Type:
N/A
Relocate 6 sprinklers in lower linear accelerator 2 royal oak fd acct # 207.000.47840 beaumont project no: rok21.00003b
Valuation:
N/A
Permit #:
PM22-001044
Status:
issued
Fee:
$280
Permit Type:
Fire suppression
Building Type:
N/A
12/15/22 compressor station scada bldg/consumers power cv $605 619
Valuation:
N/A
Permit #:
PM23-0084
Status:
final
Fee:
$145
Permit Type:
Air conditioning
Building Type:
N/A
(pb22-378) inside drain sink water distribution: 3/4 to 1 1/2 com'l contractor registration
Valuation:
N/A
Permit #:
PP22-264
Status:
final
Fee:
$166
Permit Type:
Alteration
Building Type:
N/A
Modification of 2 fire sprinklers for beaumont linear accelerator replacement rok2100003a
Valuation:
N/A
Permit #:
PM22-000010
Status:
issued
Fee:
$280
Permit Type:
N/A
Building Type:
N/A
Rework 3 sprinkler heads and addition 2 new sprinkler heads contractor registration
Valuation:
N/A
Permit #:
PM220320
Status:
applied
Fee:
$125
Permit Type:
Fire suppression
Building Type:
N/A
Relocate 11 sprinklers for new 1st floor mri. beaumont hospital project #rok_20_00041
Valuation:
N/A
Permit #:
PM22-000329
Status:
issued
Fee:
$280
Permit Type:
N/A
Building Type:
N/A
Addition relocate 7 heads for phase ii of the nicu expansion 0677-nicu pb2021-2599
Valuation:
N/A
Permit #:
PFP2022-0013
Status:
issued
Fee:
$125
Permit Type:
Fire protection
Building Type:
N/A
Relocate 41 sprinklers off existing outlets for suite 101 reno
Valuation:
N/A
Permit #:
PM22-001379
Status:
final
Fee:
$460
Permit Type:
Fire suppression
Building Type:
N/A
Drinking fountain floor drains lavs san sewer up to 6 stacks urinal water closets water distri of up 2 water heater
Valuation:
N/A
Permit #:
PP20-000169
Status:
issued
Fee:
$405
Permit Type:
plumbing
Building Type:
N/A
Phase 3 of 3 - fire suppression for sprinkler zone 3 this work was not completed. if it is done in the furture a permit will be required. permit closed 4/17/2019 - aaron garcia spoke with contractor
Valuation:
N/A
Permit #:
PM18-0326
Status:
final
Fee:
$295
Permit Type:
Mechanical
Building Type:
N/A
Plumbing for whole house reno windows siding (4) bathroom with shower pan lawn sprinkler/backflow preventor
Valuation:
N/A
Permit #:
PP20-0256
Status:
issued
Fee:
$315
Permit Type:
Alteration
Building Type:
N/A
Install low pressure natural gas piping
Valuation:
N/A
Permit #:
PM22-0113
Status:
issued
Fee:
$165
Permit Type:
Gas piping
Building Type:
N/A
(pb22-378) gas line & pressure test
Valuation:
N/A
Permit #:
PM22-0681
Status:
final
Fee:
$125
Permit Type:
Alter
Building Type:
N/A
Fire sprinkler renovation for 95 sprinklers
Valuation:
N/A
Permit #:
PM21-001325
Status:
issued
Fee:
$460
Permit Type:
N/A
Building Type:
N/A
Addition four sprinkler heads off existing fire system for new dining room expansion addition
Valuation:
N/A
Permit #:
PFS19-0083
Status:
triage
Fee:
N/A
Permit Type:
Fire suppression
Building Type:
N/A
Adding fire suppression to tower office and faux food truck in tower 9th and 2nd floor
Valuation:
N/A
Permit #:
PF190018
Status:
final
Fee:
$145
Permit Type:
Fire suppression
Building Type:
N/A
Fire suppression - please contact jeff williams to schedule your inspection
Valuation:
N/A
Permit #:
PFS21-021
Status:
triage
Fee:
N/A
Permit Type:
Fire suppression
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Hosler Mechanical Inc License info
Verified License
| License # | 8107359 |
| Status | Active |
| State | Michigan |
| Type | Plumbing |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Hosler Mechanical Inc at the Michigan Department of Licensing & Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 7107438 |
| Status | Active |
| State | Michigan |
| Type | Mechanical Contractor |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Hosler Mechanical Inc at the Michigan Department of Licensing & Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 313526 |
| Status | Active |
| State | Michigan |
| Type | Boiler Installer |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Hosler Mechanical Inc at the Michigan Department of Licensing & Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 8000660 |
| Status | Active |
| State | Michigan |
| Type | Plumbing Contractor |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Hosler Mechanical Inc at the Michigan Department of Licensing & Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 7114086 |
| Status | Active |
| State | Michigan |
| Type | Mechanical Contractor |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Hosler Mechanical Inc at the Michigan Department of Licensing & Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 315559 |
| Status | Active |
| State | Michigan |
| Type | Boiler Installer |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Hosler Mechanical Inc at the Michigan Department of Licensing & Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 8107359 |
| Status | Active |
| State | Michigan |
| Type | Plumbing |
- BuildZoom has not verified this license since March, 2025.
Verify this license's status for Hosler Mechanical Inc at the Michigan Department of Licensing & Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 8000660 |
| Status | Active |
| State | Michigan |
| Type | Plumbing Contractor |
- When BuildZoom last verified this license, it had an expiration date of April, 2025. Check the current license status of Hosler Mechanical Inc with the Michigan Department of Licensing & Regulatory Affairs
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 7114086 |
| Status | Active |
| State | Michigan |
| Type | Mechanical Contractor |
- When BuildZoom last verified this license, it had an expiration date of August, 2025. Check the current license status of Hosler Mechanical Inc with the Michigan Department of Licensing & Regulatory Affairs
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 7107438 |
| Status | Active |
| State | Michigan |
| Type | Mechanical Contractor |
- When BuildZoom last verified this license, it had an expiration date of August, 2025. Check the current license status of Hosler Mechanical Inc with the Michigan Department of Licensing & Regulatory Affairs
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 315559 |
| Status | Active |
| State | Michigan |
| Type | Boiler Installer |
- When BuildZoom last verified this license, it had an expiration date of December, 2025. Check the current license status of Hosler Mechanical Inc with the Michigan Department of Licensing & Regulatory Affairs
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 313526 |
| Status | Active |
| State | Michigan |
| Type | Boiler Installer |
- When BuildZoom last verified this license, it had an expiration date of December, 2025. Check the current license status of Hosler Mechanical Inc with the Michigan Department of Licensing & Regulatory Affairs
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | HY.25577 |
| Status | Active |
| City | Ohio Professional |
| Type | Hydronics |
- When BuildZoom last verified this license, it had an expiration date of March, 2016. Check the current license status of Hosler Mechanical Inc with the Ohio Professional License Center
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | LIC-7114086 |
| Status | Inactive |
| City | Ann Arbor |
| Type | Mechanical |
- According to the The City of Ann Arbor, MI, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Hosler Mechanical Inc at the The City of Ann Arbor, MI.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CONT-130198 |
| Status | Inactive |
| City | Ann Arbor |
| Type | Contractor |
- According to the The City of Ann Arbor, MI, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Hosler Mechanical Inc at the The City of Ann Arbor, MI.
This is a sample of licensing data; click here to access a complete history.
101
BuildZoom Score
187
Permits
- Building permit records show that Hosler Mechanical Inc has worked on 187 permitted projects.
Hosler Mechanical Inc Employees
CH
Charles Hosler
Owner
CH
Charles Hosler
CH
Charles J Hosler
Owner
GD
George Dobrowitsky
Owner
GD
George H Dobrowitsky
HC
Hosler Charles
Other 4
PC
Progressive Mechanical Corp
Owner
RH
Randy Hosler