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Crystal Springs Plumbing
Crystal Springs Plumbing is a licensed commercial plumbing contractor (CSLB #1128212, C-36) based in South San Francisco and serving San Mateo County, San Francisco, and the greater Bay Area. We specialize in commercial plumbing service & repair, tenant improvements, sewer & drain cleaning, video inspection, backflow testing & repair, PSL sewer lateral inspections for real estate closings, heat pump water heater installation, and life sciences & laboratory plumbing. A DIR-registered public works contractor and California Certified Small Business (SB / SB-PW), we support general contractors, property managers, facilities teams, and public agencies with 15+ years of commercial plumbing experience.
From BuildZoom: Crystal Springs Plumbing, South San Francisco, CA (Employee: Adam Richard Williams) holds a Plumbing license according to the California license board.
Their BuildZoom score of 101 ranks in the top 12% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Crystal Springs 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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Crystal Springs Plumbing License info
Verified License
| License # | 1128212 |
| Status | Active |
| State | California |
| Type | Plumbing |
| Business Type | Ltd Liability |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Crystal Springs Plumbing at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
101
BuildZoom Score
Insured
| Insurer | Third Coast Insurance Company |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | This License Filed A Contractor's Bond With |
| Bond Value | $100,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |