Updated: Apr 20, 2026
Location
Address
San Diego, CA, 92102
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Utmost plumbing
Utmost plumbing, San Diego, CA (Employee: Carlos Alberto Fonseca) holds a Plumbing license according to the California license board.
Their BuildZoom score of 94 ranks in the top 24% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Utmost plumbing, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
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Utmost plumbing License info
Verified License
| License # | 1131006 |
| Status | Active |
| State | California |
| Type | Plumbing |
| Business Type | Llc |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Utmost plumbing at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
94
BuildZoom Score
Bonded
| Bonded Agent | This License Filed A Contractor's Bond With |
| Bond Value | $25,000 |
Utmost plumbing Employees
CF
Carlos Alberto Fonseca
Sole Owner