Updated: Jan 09, 2026
Location
Address
297 Alta Vista Dr, South San Francisco, CA, 94080
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Water Heater Solutions Plumber
Water Heater Solutions LLC, 297 Alta Vista Dr, South San Francisco, CA (Employees: Andrea Mila Costanzo, John Thomas Broberg, and Miles Howard Hancock) 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 Water Heater Solutions LLC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Water Heater Solutions LLC Services
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Water Heater Solutions LLC Contact Information
Phone Number: (650) 619-9045
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Address: 297 Alta Vista Dr, South San Francisco, CA 94080
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Verified License
BuildZoom confirmed this contractor's license
Water Heater Solutions LLC License info
Verified License
| License # | 1148713 |
| Status | Active |
| State | California |
| Type | Plumbing |
| Date Issued | 01-07-2026 |
| Business Type | Ltd Liability |
- BuildZoom verified this license was active as of January 2026.
Verify this license's status for Water Heater Solutions LLC at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
94
BuildZoom Score
Insured
| Insurer | Berkshire Hathaway Direct Insurance Company |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $25,000 |
Water Heater Solutions LLC Employees
AC
Andrea Mila Costanzo
Member
JB
John Thomas Broberg
Rmm
MH
Miles Howard Hancock
Member