Updated: Jun 08, 2026
Location
Address
Waterloo, IA, 50701
Use our bidding system to
request a quote
Thierman John Carl HVAC/Mechanical Contractor
Their BuildZoom score of 0 does not rank in the top 50% of Iowa contractors.
If you are thinking of hiring Thierman John Carl, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Thierman John Carl Contact Information
Do you work for this business? Unlock this free profile to update company info and see who's viewing your profile.
Similar Contractors See more
License # C132331
Ankeny, IA
113
BZ Score
$300K
Avg Project
-
Projects
License # C130504
Baxter, IA
113
BZ Score
-
Avg Project
-
Projects
License # C137083
Prole, IA
115
BZ Score
-
Avg Project
-
Projects
Thierman John Carl Reviews
BuildZoom hasn't received any reviews for Thierman John Carl. Click here to be alerted when reviews are posted about them.
Recent Buildzoom Projects
Hiring a contractor?
Thierman John Carl License info
License Not Verified
| Status | Active |
| State | Iowa |
| Type | Mechanical |
- When BuildZoom last verified this license, it had an expiration date of June, 2023. Check the current license status of Thierman John Carl with the Iowa Department of Public Health
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| State | Iowa |
| Type | Mechanical |
- According to the Iowa Department of Public Health, 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 Thierman John Carl at the Iowa Department of Public Health.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | EL012918SE |
| Status | Inactive |
| State | Iowa |
| Type | Special Electrician |
- According to the Iowa Department of Public Safety, 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 Thierman John Carl at the Iowa Department of Public Safety.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | EL012922SE |
| Status | Inactive |
| State | Iowa |
| Type | Special Electrician |
- According to the Iowa Department of Public Safety, 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 Thierman John Carl at the Iowa Department of Public Safety.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| State | Iowa |
| Type | Master HVAC |
- According to the Iowa Workforce Development Agency, 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 Thierman John Carl at the Iowa Workforce Development Agency.
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 Thierman John Carl, click “This is My Business” to update your information.
Thierman John Carl Employees
JT
John C Thierman
Owner
TC
Thierman John Carl
TC
Thierman John Christopher