Updated: May 10, 2026
Location and Projects
Address
4635 18TH STREET, San Francisco, CA, 94114
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Mark Westburg Painter
Mark Westburg, 4635-18 Th St, San Francisco, CA (Owned by: Mark Dennis Westburg) holds a Renovation license and 1 other license according to the Environmental Protection Agency 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 Mark Westburg, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Mark Westburg Contact Information
Phone Number: (415) 637-3409
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Address: 4635 18TH STREET, San Francisco, CA 94114
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Street space
Valuation:
$1
Permit #:
M396267
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
-
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135
BZ Score
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135
BZ Score
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Avg Project
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Projects
135
BZ Score
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Avg Project
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Projects
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Verified License
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Mark Westburg License info
Verified License
| License # | NAT-F244930-1 |
| Status | Active |
| Nation | Environmental Protection Agency |
| Type | Renovation |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Mark Westburg at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 677567 |
| Status | Active |
| State | California |
| Type | Painting And Decorating |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Mark Westburg 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 |
Mark Westburg Employees
MW
Mark Dennis Westburg
Owner