Home › California › Marin County › Belvedere Tiburon › S O S I

S O S ILicensed

Licensed water well contractor based in Belvedere Tiburon, Marin County, CA

Name	S O S I
License number	702818
License type	Well Drilling Contractor (C-57)
License status	Active — CSLB license CLEAR
License expires	2027-02-28
Based in	Belvedere Tiburon, Marin County, California 94920
Phone	(800) 699-7674

"Based in" is the city and county of the address on the business's state license record. That can be a mailing address; it doesn't tell you where the business works.

Request a quote from S O S I

What this license covers

Drilling / construction: licensed to bore, case, complete, and plug water wells.

How to verify this license

We publish the license details exactly as they appear in California's official licensing records; we do not vouch for the business itself. Before hiring, look up license #702818 directly with the state, confirm it is still active, and ask for a current certificate of insurance.

Source: California Contractors State License Board (CSLB), last checked 2026-08-17. Verify at the official source.

Are you S O S I? Claim this listing to show your business name on it. It's free, and we confirm every claim before anything changes.