Updated: May 18, 2026
Location
Address
10640 S NICOLSON-UPPER, Oak Creek, WI, 53154
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Grotzinger, John Concrete Contractor
Their BuildZoom score of 90 indicates that they are licensed or registered but we do not have additional information about them.
If you are thinking of hiring Grotzinger, John, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
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Grotzinger, John Contact Information
Address: 10640 S NICOLSON-UPPER, Oak Creek, WI 53154
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Grotzinger, John License info
License Not Verified
| License # | RWCL-25-00023 |
| Status | Active |
| City | Milwaukee |
| Type | Concrete Contractor |
- When BuildZoom last verified this license, it had an expiration date of February, 2026. Check the current license status of Grotzinger, John with the City of Milwaukee License Search
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | RWCL-24-00061 |
| Status | Active |
| City | Milwaukee |
| Type | Concrete Contractor |
- When BuildZoom last verified this license, it had an expiration date of March, 2025. Check the current license status of Grotzinger, John with the City of Milwaukee License Search
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | RWCL-23-00014 |
| Status | Active |
| City | Milwaukee |
| Type | Concrete Contractor |
- When BuildZoom last verified this license, it had an expiration date of January, 2024. Check the current license status of Grotzinger, John with the City of Milwaukee License Search
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 1250721 |
| Status | Inactive |
| State | Wisconsin |
| Type | Pipe Layer |
- According to the Wisconsin Department of Safety and Professional Services, 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 Grotzinger, John at the Wisconsin Department of Safety and Professional Services.
This is a sample of licensing data; click here to access a complete history.