Updated: Jun 17, 2026
Location and Projects
Address
511 18TH AVE, San Francisco, CA, 94121
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United Tile & Marble Co
United Tile & Marble Co, 511-18 Th Ave, San Francisco, CA (Owned by: Donghua Xu) holds a Tile (Ceramic And Mosaic) license according to the California license board.
Their BuildZoom score of 92 ranks in the top 32% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring United Tile & Marble Co, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
United Tile & Marble Co Services
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United Tile & Marble Co Contact Information
Phone Number: (415) 999-2129
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Address: 511 18TH AVE, San Francisco, CA 94121
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Building Permits by United Tile & Marble Co
This is a sample of this contractor's permits. Click here to access their complete permit history.
Construct 2 story 2 950 sq ft w attached 443 sq ft garage-includes 371 sq ft 2nd unit attached to the main house. * added 2nd unit 371 sq ft fees to this permit. see permit #11010147 for plan check comments
Valuation:
N/A
Permit #:
11010146
Status:
final
Fee:
$6,987
Permit Type:
N/A
Building Type:
N/A
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United Tile & Marble Co License info
Verified License
| License # | 749363 |
| Status | Active |
| State | California |
| Type | Tile (Ceramic And Mosaic) |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for United Tile & Marble Co at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
92
BuildZoom Score
Bonded
| Bonded Agent | Suretec Indemnity Company |
| Bond Value | $15,000 |
United Tile & Marble Co Employees
DX
Donghua Xu
Sole Owner
DX
Donghua Xu
Owner