Updated: Apr 21, 2026
Location
Address
P.O.Box 170, High Ridge, MO, 63049
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Gardner Corporation Architect
Gardner Corporation, High Rdg, Po Box 170, High Ridge, MO (Owned by: George Timmerman) holds a Site Sewer Design license and 3 other licenses according to the Jefferson County license board.
Their BuildZoom score of 90 indicates that they are licensed or registered but we do not have additional information about them.
Their license was verified as active when we last checked. If you are thinking of hiring Gardner Corporation, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Gardner Corporation Services
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Gardner Corporation Contact Information
Phone Number: (636) 677-0919
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Address: P.O.Box 170, High Ridge, MO 63049
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Verified License
BuildZoom confirmed this contractor's license
Gardner Corporation License info
Verified License
| License # | JE19389 |
| Status | Active |
| County | Jefferson County |
| Type | Site Sewer Design |
- BuildZoom has not verified this license since January, 2010.
Verify this license's status for Gardner Corporation at the Jefferson County Building Division.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 19389 |
| Status | Active |
| County | Jefferson County |
| Type | Site Sewer Design |
- When BuildZoom last verified this license, it had an expiration date of December, 2013. Check the current license status of Gardner Corporation with the Jefferson County Building Division
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 2013005884 |
| Status | Inactive |
| State | Missouri |
| Type | Architectural Corporation |
- According to the Board For Architects, Professional Engineers - Missouri , 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 Gardner Corporation at the Board For Architects, Professional Engineers - Missouri .
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 2013007014 |
| Status | Inactive |
| State | Missouri |
| Type | Architectural Corporation |
- According to the Board For Architects, Professional Engineers - Missouri , 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 Gardner Corporation at the Board For Architects, Professional Engineers - Missouri .
This is a sample of licensing data; click here to access a complete history.
90
BuildZoom Score
Gardner Corporation Employees
GL
Gardner Consultants, Llc
Owner
GT
George Timmerman
Owner