Updated: Dec 29, 2025
Location
Address
P O BOX 2203, Simi Valley, CA, 93062
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Grammer Drywall
Grammer Drywall, Simi Vly, Po Box 2203, Simi Valley, CA (Owned by: Leonard Hugh Grammer) holds a Drywall, General Building license according to the California license board.
Their BuildZoom score of 93 ranks in the top 27% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Grammer Drywall, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Grammer Drywall Contact Information
Phone Number: (805) 522-9106
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Address: P O BOX 2203, Simi Valley, CA 93062
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Grammer Drywall License info
Verified License
| License # | 621147 |
| Status | Active |
| State | California |
| Type | Drywall, General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of December 2025.
Verify this license's status for Grammer Drywall at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
93
BuildZoom Score
Bonded
| Bonded Agent | Hudson Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
Grammer Drywall Employees
LG
Leonard Hugh Grammer
Owner