Updated: Jun 09, 2026
Location
Address
Ann Arbor, MI, 48104
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Koch and Sons Heating Inc
Koch and Sons Heating Inc at Ann Arbor, MI 48104, held a HVAC/Mechanical Contractor license (#2104007762) with the Michigan contractors license board. We last verified the license was revoked on 06-08-2026.
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.
Koch and Sons Heating Inc Contact Information
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Koch and Sons Heating Inc License info
Inactive License
| License # | 2104007762 |
| 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 Koch and Sons Heating Inc 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 # | 2104007762 |
| 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 Koch and Sons Heating Inc at the Michigan Department of Licensing & Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
ALERT*
BuildZoom Score
- How the BuildZoom Score works
- *No active license on file. If you are Koch and Sons Heating Inc, click “This is My Business” to update your information.
Koch and Sons Heating Inc Employees
KM
Koch, Horace M
Owner