Updated: May 05, 2026
Location and Projects
Address
Sanford, MI, 48657
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Patrick Louis Ortwein HVAC/Mechanical Contractor
Patrick Louis Ortwein, Sanford, MI (Owned by: Patrick Ortwein) holds a Mechanical Contractor license and 1 other license according to the Michigan license board.
Their BuildZoom score of 95 ranks in the top 22% of 167,179 Michigan licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Patrick Louis Ortwein, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Patrick Louis Ortwein Contact Information
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Building Permits by Patrick Louis Ortwein
This is a sample of this contractor's permits. Click here to access their complete permit history.
Install hvac furnace air conditioning venting gas lines ductwork for: city of howell permit #pb18-201 new single family dwelling with attached garage (duplex)
Valuation:
N/A
Permit #:
PMEC2023-01352
Status:
issued
Fee:
$195
Permit Type:
N/A
Building Type:
N/A
Install hvac furnace air conditioning venting gas lines ductwork for: city of howell permit #pb18-200 new single family dwelling with attached garage (duplex)
Valuation:
N/A
Permit #:
PMEC2023-01351
Status:
issued
Fee:
$195
Permit Type:
N/A
Building Type:
N/A
City of howell permit pb18-197 new triplex (531 533 & 535 indian oaks) in the indian oaks condominium project
Valuation:
N/A
Permit #:
PMEC2021-01075
Status:
final
Fee:
$140
Permit Type:
New
Building Type:
N/A
City of howell pb18-198 new triplex (531 533 and 535 indian oaks) in the indian oaks condominium project
Valuation:
N/A
Permit #:
PMEC2021-01074
Status:
final
Fee:
$140
Permit Type:
New
Building Type:
N/A
Hvac and gas piping- resi
Valuation:
N/A
Permit #:
PMEC2021-01020
Status:
final
Fee:
$165
Permit Type:
Alteration
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
PM170396
Status:
final
Fee:
$117
Permit Type:
Alterations
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
PM190096
Status:
final
Fee:
$103
Permit Type:
Alterations
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Patrick Louis Ortwein License info
Verified License
| License # | 7116161 |
| Status | Active |
| State | Michigan |
| Type | Mechanical Contractor |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Patrick Louis Ortwein 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 # | 7116161 |
| 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 Patrick Louis Ortwein with the Michigan Department of Licensing & Regulatory Affairs
This is a sample of licensing data; click here to access a complete history.
95
BuildZoom Score
7
Permits
- Building permit records show that Patrick Louis Ortwein has worked on 7 permitted projects.
Patrick Louis Ortwein Employees
PO
Patrick Ortwein
Owner
PO
Patrick Louis Ortwein