Updated: Dec 16, 2025
Location and Projects
Address
Grand Blanc, MI, 48439
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Louis O Blessing HVAC/Mechanical Contractor
Louis O Blessing, Grand Blanc, MI (Owned by: Louis Blessing) holds a Plumbing Contractor license and 17 other licenses according to the Michigan license board.
Their BuildZoom score of 94 ranks in the top 24% of 167,179 Michigan licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Louis O Blessing, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Louis O Blessing Contact Information
Phone Number: (810) 694-4861
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Installation of back flow preventer. contractor responsible to obtain required inspections. **all inspections must be scheduled online or via the inspection line before 7:00am to be done on the same day*** **no inspections will be done on fridays***
Valuation:
N/A
Permit #:
PP2300011
Status:
final
Fee:
N/A
Permit Type:
plumbing
Building Type:
N/A
Installing a furnace air conditioning & humidifier. contractor responsible to obtain required final inspection. **all inspections must be scheduled online or via the inspection line before 7:00am to be done on the same day*** **no inspections will be done on fridays***
Valuation:
N/A
Permit #:
PM2300056
Status:
issued
Fee:
N/A
Permit Type:
Mechanical
Building Type:
N/A
Install air conditioning. contractor responsible to obtain required inspections. requires final inspection. **all inspections must be scheduled online or via the inspection line before 7:00am to be done on the same day*** **no inspections will be done on fridays***
Valuation:
N/A
Permit #:
PM2300035
Status:
final
Fee:
N/A
Permit Type:
Mechanical
Building Type:
N/A
Install furnace air conditioning & humidifier. contractor responsible to obtain required final inspection. **all inspections must be scheduled online or via the inspection line before 7:00am to be done on the same day*** **no inspections will be done on fridays***
Valuation:
N/A
Permit #:
PM2300023
Status:
final
Fee:
N/A
Permit Type:
Mechanical
Building Type:
N/A
Install furnace air conditioning & humidifier contractor responsible to obtain required final inspection. **all inspections must be scheduled online or via the inspection line before 7:00am to be done on the same day*** **no inspections will be done on fridays***
Valuation:
N/A
Permit #:
PM2300017
Status:
final
Fee:
N/A
Permit Type:
Mechanical
Building Type:
N/A
Install furnace air conditioning & humidifier. contractor responsible to obtain required final inspection. **all inspections must be scheduled online or via the inspection line before 7:00am to be done on the same day*** **no inspections will be done on fridays***
Valuation:
N/A
Permit #:
PM2300004
Status:
final
Fee:
N/A
Permit Type:
Mechanical
Building Type:
N/A
Permit for water heater. contractor repsonsible to obtain required inspection. requires final inspection. **all inspections must be called in before 7:00am to be done the same day otherwise they will be done the following day *** **as of 05/01/08 no inspections will be done on fridays***
Valuation:
N/A
Permit #:
PP2100156
Status:
issued
Fee:
$125
Permit Type:
plumbing
Building Type:
N/A
Permit for water heater. contractor repsonsible to obtain required inspection. requires final inspection. **all inspections must be called in before 7:00am to be done the same day otherwise they will be done the following day *** **as of 05/01/08 no inspections will be done on fridays***
Valuation:
N/A
Permit #:
PP2100154
Status:
issued
Fee:
$125
Permit Type:
plumbing
Building Type:
N/A
Permit for water heater. contractor repsonsible to obtain required inspection. requires final inspection. **all inspections must be called in before 7:00am to be done the same day otherwise they will be done the following day *** **as of 05/01/08 no inspections will be done on fridays***
Valuation:
N/A
Permit #:
PP2100153
Status:
issued
Fee:
$125
Permit Type:
plumbing
Building Type:
N/A
Permit for water heater. contractor repsonsible to obtain required inspection. requires final inspection. **all inspections must be called in before 7:00am to be done the same day otherwise they will be done the following day *** **as of 05/01/08 no inspections will be done on fridays***
Valuation:
N/A
Permit #:
PP2100152
Status:
issued
Fee:
$125
Permit Type:
plumbing
Building Type:
N/A
Installation of new furance humidifier and a/c-contractor responsible to obtain required inspections. requires a final inspection. **all inspections must be called in before 7:00am to be done the same day otherwise they will be done the following day *** **as of 05/01/08 no inspections will be done on fridays***
Valuation:
N/A
Permit #:
PM2100350
Status:
issued
Fee:
$225
Permit Type:
Mechanical
Building Type:
N/A
Installation of new furance humidifier and a/c-contractor responsible to obtain required inspections. requires a final inspection. **all inspections must be called in before 7:00am to be done the same day otherwise they will be done the following day *** **as of 05/01/08 no inspections will be done on fridays***
Valuation:
N/A
Permit #:
PM2100349
Status:
issued
Fee:
$225
Permit Type:
Mechanical
Building Type:
N/A
Installation of new furance humidifier and a/c-contractor responsible to obtain required inspections. requires a final inspection. **all inspections must be called in before 7:00am to be done the same day otherwise they will be done the following day *** **as of 05/01/08 no inspections will be done on fridays***
Valuation:
N/A
Permit #:
PM2100348
Status:
issued
Fee:
$193
Permit Type:
Mechanical
Building Type:
N/A
Installation of new furance humidifier and a/c-contractor responsible to obtain required inspections. requires a final inspection. **all inspections must be called in before 7:00am to be done the same day otherwise they will be done the following day *** **as of 05/01/08 no inspections will be done on fridays***
Valuation:
N/A
Permit #:
PM2100347
Status:
issued
Fee:
$225
Permit Type:
Mechanical
Building Type:
N/A
Permit for water heater. contractor repsonsible to obtain required inspection. requires final inspection. **all inspections must be called in before 7:00am to be done the same day otherwise they will be done the following day *** **as of 05/01/08 no inspections will be done on fridays***
Valuation:
N/A
Permit #:
PP2100072
Status:
issued
Fee:
$125
Permit Type:
plumbing
Building Type:
N/A
Permit for water heater. contractor repsonsible to obtain required inspection. requires final inspection. **all inspections must be called in before 7:00am to be done the same day otherwise they will be done the following day *** **as of 05/01/08 no inspections will be done on fridays***
Valuation:
N/A
Permit #:
PP2100071
Status:
issued
Fee:
$125
Permit Type:
plumbing
Building Type:
N/A
Permit for water heater. contractor repsonsible to obtain required inspection. requires final inspection. **all inspections must be called in before 7:00am to be done the same day otherwise they will be done the following day *** **as of 05/01/08 no inspections will be done on fridays***
Valuation:
N/A
Permit #:
PP2100070
Status:
issued
Fee:
$125
Permit Type:
plumbing
Building Type:
N/A
Permit for water heater. contractor repsonsible to obtain required inspection. requires final inspection. **all inspections must be called in before 7:00am to be done the same day otherwise they will be done the following day *** **as of 05/01/08 no inspections will be done on fridays***
Valuation:
N/A
Permit #:
PP2100069
Status:
issued
Fee:
$125
Permit Type:
plumbing
Building Type:
N/A
Permit for water heater. contractor repsonsible to obtain required inspection. requires final inspection. **all inspections must be called in before 7:00am to be done the same day otherwise they will be done the following day *** **as of 05/01/08 no inspections will be done on fridays***
Valuation:
N/A
Permit #:
PP2100068
Status:
issued
Fee:
$125
Permit Type:
plumbing
Building Type:
N/A
Permit for water heater. contractor repsonsible to obtain required inspection. requires final inspection. **all inspections must be called in before 7:00am to be done the same day otherwise they will be done the following day *** **as of 05/01/08 no inspections will be done on fridays***
Valuation:
N/A
Permit #:
PP2100062
Status:
issued
Fee:
$125
Permit Type:
plumbing
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Louis O Blessing License info
Verified License
| License # | 8001554 |
| Status | Active |
| State | Michigan |
| Type | Plumbing Contractor |
- BuildZoom verified this license was active as of December 2025.
Verify this license's status for Louis O Blessing 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 # | 8107901 |
| Status | Active |
| State | Michigan |
| Type | Plumbing |
- BuildZoom verified this license was active as of June 2025.
Verify this license's status for Louis O Blessing 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 # | 2101186467 |
| Status | Active |
| State | Michigan |
| Type | Residential Builder Individual |
- When BuildZoom last verified this license, it had an expiration date of May, 2026. Check the current license status of Louis O Blessing 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 # | 7104670 |
| 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 Louis O Blessing 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 # | 315226 |
| 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 Louis O Blessing 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 # | 315226 |
| 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 Louis O Blessing 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 # | 8001554 |
| 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 Louis O Blessing 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 # | 8107901 |
| Status | Active |
| State | Michigan |
| Type | Plumbing |
- When BuildZoom last verified this license, it had an expiration date of April, 2025. Check the current license status of Louis O Blessing 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 # | 7104670 |
| 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 Louis O Blessing 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 # | 2101186467 |
| Status | Active |
| State | Michigan |
| Type | Residential Builder Individual |
- When BuildZoom last verified this license, it had an expiration date of May, 2026. Check the current license status of Louis O Blessing with the Michigan Department of Licensing & Regulatory Affairs
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 310031 |
| Status | Inactive |
| State | Michigan |
| Type | Boiler Installer |
- 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 Louis O Blessing 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 # | 7105045 |
| 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 Louis O Blessing 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 # | 2104040669 |
| Status | Inactive |
| State | Michigan |
| Type | M & A Company |
- 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 Louis O Blessing 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 # | 2101186467 |
| Status | Inactive |
| State | Michigan |
| Type | Builder Individual |
- 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 Louis O Blessing 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 # | 310031 |
| Status | Inactive |
| State | Michigan |
| Type | Boiler Installer |
- 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 Louis O Blessing 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 # | 7105045 |
| 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 Louis O Blessing 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 # | 2104040669 |
| Status | Inactive |
| State | Michigan |
| Type | Residential Builder M And A Company |
- 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 Louis O Blessing 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 # | 2102079585 |
| Status | Inactive |
| State | Michigan |
| Type | Builder Company |
- 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 Louis O Blessing at the Michigan Department of Licensing & Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
94
BuildZoom Score
2.6K
Permits
- Building permit records show that Louis O Blessing has worked on 2557 permitted projects.
Louis O Blessing Employees
BL
Blessing Frank L
BL
Blessing, Frank L
Owner
BO
Blessing, Louis O
Owner
BO
Blessing, Louis Oliver
Employer
FB
Frank Blessing
Owner
FB
Frank L Blessing
LB
Louis Blessing
Owner
LB
Louis O Blessing