Updated: May 17, 2026
Location
Address
1301 DEFENSE HWY, Gambrills, MD, 21054
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Gassman Construction
Gassman Construction, 1301 Defense Hwy, Gambrills, MD (Employees: Guy Williams and Joel Gassman) holds a Home Improvement license and 2 other licenses according to the Maryland 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 Gassman Construction, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
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Gassman Construction Contact Information
Address: 1301 DEFENSE HWY, Gambrills, MD 21054
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Verified License
BuildZoom confirmed this contractor's license
Gassman Construction License info
Verified License
| License # | 87920 |
| Status | Active |
| State | Maryland |
| Type | Home Improvement |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Gassman Construction at the Maryland Department of Labor, Licensing & Regulation.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 420222000119 |
| Status | Active |
| City | District Of Columbia |
| Type | Home Improvement Contractor |
- When BuildZoom last verified this license, it had an expiration date of May, 2024. Check the current license status of Gassman Construction with the Department of Consumer and Regulatory Affairs
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 420322000476 |
| Status | Active |
| City | District Of Columbia |
| Type | Home Improvement Salesman |
- When BuildZoom last verified this license, it had an expiration date of June, 2024. Check the current license status of Gassman Construction with the Department of Consumer and Regulatory Affairs
This is a sample of licensing data; click here to access a complete history.
90
BuildZoom Score
Gassman Construction Employees
GW
Guy Williams
JG
Joel Gassman