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Williams Mechanical Co
Williams Water Co DBA Williams Mechanical Co is a veteran-owned, California-licensed contractor specializing in HVAC, plumbing, and electrical services with an emphasis on sustainable energy systems. Based in Fallbrook, we proudly serve residential, commercial, and government clients across North County San Diego, Riverside County, and surrounding areas.
Our team provides expert solutions for heating, cooling, and air purification, as well as water-heater installations, water-treatment systems, and complete plumbing services. In addition, we offer solar integration, battery backup systems, and electrical upgrades designed to improve energy efficiency, reliability, and home comfort.
Williams Water Co is certified as a Service-Disabled Veteran-Owned Small Business (SDVOSB), California DVBE, Small Business (SB/Micro), and DIR Public Works Contractor, committed to delivering dependable, code-compliant work with integrity and attention to detail.
From BuildZoom: Williams Mechanical Co, 2772 Roosevelt St, Carlsbad, CA (Owned by: Tyler Williams) holds a HVAC, Electrical, Plumbing, and Pool Repair license according to the California license board.
Their BuildZoom score of 103 ranks in the top 10% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Williams Mechanical Co, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
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Verified License
| License # | 1060377 |
| Status | Active |
| State | California |
| Type | HVAC, Electrical, Plumbing, and Pool Repair |
| Class | C20, C10, C36, C61/D35 |
| Business Type | Corporation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Williams Mechanical Co at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
103
BuildZoom Score
Insured
| Insurer | Spinnaker Insurance Company |
| Insured up to | $ 10,000,00 ,per, oc,cur,ren,ce ,and |
Bonded
| Bonded Agent | BUSINESS ALLIANCE INSURANCE COMPANY |
| Bond Value | $25,000 |
Insured
| Workers Comp Provider | Employee Preferred Insurance Company |
| Workers Comp Value | $ 10,000,00 ,eac,h a,cci,den,t a,nd |