Updated: May 26, 2026
Location
Headquarters Address
135 S. Main Street, Waterloo, IL, 62298
Local address
Waterloo, IL, 62298
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Quadrant Design Architect
Quadrant Design Inc, Waterloo, TX (Employees: Jennifer Eckart and Quadrant Design, Inc.) holds a Architectural Corporation license and 4 other licenses according to the Missouri 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 Quadrant Design Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Quadrant Design Inc Services
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Quadrant Design Inc Contact Information
Phone Number: (618) 939-1800
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Verified License
BuildZoom confirmed this contractor's license
Quadrant Design Inc License info
Verified License
| License # | 2006003869 |
| Status | Active |
| State | Missouri |
| Type | Architectural Corporation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Quadrant Design Inc at the Board For Architects, Professional Engineers - Missouri .
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | ARCHITECT #20004 |
| Status | Active |
| State | Texas |
| Type | Architect |
- BuildZoom verified this license was active as of December 2025.
Verify this license's status for Quadrant Design Inc at the Texas Board of Architectural Examiners.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 6988 |
| Status | Active |
| State | Kentucky |
| Type | Architect |
- BuildZoom verified this license was active as of February 2026.
Verify this license's status for Quadrant Design Inc at the Kentucky Board of Architects.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 184003490 |
| Status | Active |
| State | Illinois |
| Type | Design Firm Prof Reg |
- When BuildZoom last verified this license, it had an expiration date of April, 2017. Check the current license status of Quadrant Design Inc with the Illinois Department of Financial & Professional Regulation
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 2006003869 |
| 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 Quadrant Design Inc 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
Quadrant Design Inc Employees
JE
Jennifer Eckart
Owner
QI
Quadrant Design Inc
Owner
QI
Quadrant Design, Inc.
Owner