Updated: Jan 13, 2026
Location and Projects
Address
Plymouth, MI, 48170
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Leonhardt Curtis HVAC/Mechanical Contractor
Leonhardt Curtis at Plymouth, MI 48170, held a HVAC/Mechanical Contractor license (#7112398) with the Michigan contractors license board with an expiration date of 08-31-2016. We last verified the license was inactive on 01-12-2026.
Their BuildZoom score is 0 because we haven’t been able to verify an active license. As a result, they’re not ranked in the top 50% of 167,179 Michigan contractors.
If you’re thinking about hiring them, we recommend double-checking their license status with your local licensing authority. Alternatively, use our bidding system to be easily matched to qualified, licensed professionals in your area.
Leonhardt Curtis Contact Information
Phone Number: (734) 451-3616
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Furnace & chimney liner
Valuation:
N/A
Permit #:
PM14-0532
Status:
final
Fee:
$155
Permit Type:
Add/alter/repair
Building Type:
N/A
Replace furnace & air conditioning
Valuation:
N/A
Permit #:
PM07-0266
Status:
final
Fee:
$105
Permit Type:
Refrigeration
Building Type:
N/A
Replacement furnace & chiminey liner
Valuation:
N/A
Permit #:
PM09-0183
Status:
final
Fee:
$115
Permit Type:
Mechanical
Building Type:
N/A
Replacement furnace and air conditioning
Valuation:
N/A
Permit #:
PM06-0370
Status:
final
Fee:
$115
Permit Type:
Heat/AC
Building Type:
N/A
Replace air conditioning
Valuation:
N/A
Permit #:
PM09-0170
Status:
final
Fee:
$60
Permit Type:
Heating
Building Type:
N/A
Replacement furnace
Valuation:
N/A
Permit #:
PM060615
Status:
final
Fee:
$75
Permit Type:
Mechanical
Building Type:
N/A
Replace furnace
Valuation:
N/A
Permit #:
PM07-0391
Status:
final
Fee:
$60
Permit Type:
Heating
Building Type:
N/A
Furnace replacement
Valuation:
N/A
Permit #:
PM040216
Status:
final
Fee:
$40
Permit Type:
N/A
Building Type:
N/A
Furnace
Valuation:
N/A
Permit #:
PMR060299
Status:
final
Fee:
$90
Permit Type:
Mechanical
Building Type:
N/A
Replace existing furnace and install chimney liner
Valuation:
N/A
Permit #:
MECH09-1858
Status:
expired
Fee:
N/A
Permit Type:
Mechanical
Building Type:
N/A
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Leonhardt Curtis License info
Inactive License
| License # | 7112398 |
| 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 Leonhardt Curtis 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 # | 7112398 |
| 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 Leonhardt Curtis 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-090236 |
| 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 Leonhardt Curtis 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-090158 |
| 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 Leonhardt Curtis at the The City of Ann Arbor, MI.
This is a sample of licensing data; click here to access a complete history.
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BuildZoom Score
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- *No active license on file. If you are Leonhardt Curtis, click “This is My Business” to update your information.
10
Permits
- Building permit records show that Leonhardt Curtis has worked on 10 permitted projects.
Leonhardt Curtis Employees
CL
Curtis Leonhardt
Owner
CL
Curtis Gene Leonhardt