Updated: Feb 10, 2026
Location and Projects
Address
58800 Eleven Mile Rd., South Lyon, MI, 48178
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Mechstar HVAC/Mechanical Contractor
Their BuildZoom score of 90 indicates that they are licensed or registered but we do not have additional information about them.
If you are thinking of hiring Mechstar LLC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Mechstar LLC Contact Information
Phone Number: (248) 255-2362
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Address: 58800 Eleven Mile Rd., South Lyon, MI 48178
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This is a sample of this contractor's permits. Click here to access their complete permit history.
4 air cleaner 4 air conditioner complete duct system 4 furnace w/ac duct system work in conj w/makeup air
Valuation:
N/A
Permit #:
PM07-0074
Status:
final
Fee:
$910
Permit Type:
N/A
Building Type:
N/A
Re-routing 2 existing vav boxes and branch runs in first flo
Valuation:
$0
Permit #:
PM060521
Status:
FINALED
Fee:
N/A
Permit Type:
Mechanical
Building Type:
N/A
Install (5) exhasut branch ducts and tie into existing building
Valuation:
$0
Permit #:
PM060852
Status:
FINALED
Fee:
N/A
Permit Type:
Mechanical
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
PM13-0073
Status:
final
Fee:
$90
Permit Type:
New single-family
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
MEC2012-01307
Status:
N/A
Fee:
N/A
Permit Type:
Modification
Building Type:
N/A
Install 1 4-ton rooftop unit ductwork and gas line
Valuation:
$0
Permit #:
PM071974
Status:
FINALED
Fee:
N/A
Permit Type:
Mechanical
Building Type:
N/A
Gas pipe to equipment
Valuation:
N/A
Permit #:
MECH10-1911
Status:
final
Fee:
N/A
Permit Type:
Mechanical
Building Type:
N/A
Air cleaner air conditioner - 2 duct alteration furnacem humidifier
Valuation:
N/A
Permit #:
PM10-0144
Status:
final
Fee:
$250
Permit Type:
N/A
Building Type:
N/A
Replace forced air gas furnace
Valuation:
$0
Permit #:
PM080296
Status:
EXPIRED
Fee:
N/A
Permit Type:
Mechanical
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
PM06-0075
Status:
final
Fee:
$805
Permit Type:
Mechanical
Building Type:
N/A
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Mechstar LLC Reviews
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Mechstar LLC License info
License Not Verified
| License # | CONT-4331 |
| Status | Active |
| City | Ann Arbor |
| Type | Contractor |
- When BuildZoom last verified this license, it had an expiration date of December, 2025. Check the current license status of Mechstar LLC with the The City of Ann Arbor, MI
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 7115061 |
| Status | Inactive |
| State | Michigan |
| Type | Mechanical Contractor |
- According to the Michigan Department of Licensing & Regulatory Affairs, 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 Mechstar LLC at the Michigan Department of Licensing & Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 7115061 |
| Status | Inactive |
| State | Michigan |
| Type | Mechanical Contractor |
- According to the Michigan Department of Licensing & Regulatory Affairs, 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 Mechstar LLC at the Michigan Department of Licensing & Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | LIC-1543 |
| 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 Mechstar LLC at the The City of Ann Arbor, MI.
This is a sample of licensing data; click here to access a complete history.
90
BuildZoom Score
10
Permits
- Building permit records show that Mechstar LLC has worked on 10 permitted projects.
Mechstar LLC Employees
JS
Jerome Szynwelski
Owner
JS
Jerome P Szynwelski
ML
Mechstar Llc
Owner
SJ
Szynwelski, Jerome
Owner