S O S I, A General Engineering Contractor in Belvedere Tiburon, CA
S O S I operating as a corporation holds an active California contractor license (CSLB #702818), valid through Feb 28, 2027. First issued in 1995, the license has been on the CSLB roster for 31 years. It carries 6 CSLB classifications: A General Engineering Contractor, B General Building Contractor, C-10 Electrical Contractor, C-36 Plumbing Contractor, C-55 Water Conditioning Contractor, and C-57 Well Drilling Contractor. Records show an active surety bond on file with Western Surety Company and active workers' compensation coverage from State Compensation Insurance Fund. The business is based in Belvedere Tiburon, in Marin County, California.
- License Number
- 702818
- Issued
- Feb 17, 1995
- Status
- CLEAR
- Expires
- Feb 28, 2027
- Entity
- Corporation
- Surety
- Western Surety Company
- Bond Number
- 67724043
- Effective
- Apr 1, 2026
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- State Compensation Insurance Fund
- Policy Number
- 1382479
- Effective
- Jan 19, 1995
- Expires
- Jan 1, 2027
This contractor is verified, with no adverse conditions in the current CSLB record.
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is S O S I licensed in California?
Yes. S O S I holds California Contractors State License Board license number 702818, which is active and in good standing. The license was first issued on February 17, 1995. It is valid through February 28, 2027.
What does S O S I specialize in?
S O S I is licensed for 6 CSLB classifications: A General Engineering Contractor, B General Building Contractor, C-10 Electrical Contractor, C-36 Plumbing Contractor, C-55 Water Conditioning Contractor, and C-57 Well Drilling Contractor.
Where is S O S I headquartered?
S O S I is headquartered at 200 Martinique Ave, Belvedere Tiburon, CA 94920, in Marin County, California.
Does S O S I have an active surety bond on file with CSLB?
Yes. S O S I has an active California contractor surety bond filed with Western Surety Company.
Does S O S I carry workers' compensation coverage?
Yes. S O S I carries active workers' compensation coverage through State Compensation Insurance Fund.
How do I verify S O S I's contractor license?
You can verify S O S I's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=702818.
- WC coverage startsJan 19, 1995
- License issuedFeb 17, 1995
- Bond activeApr 1, 2026
- WC expiresJan 1, 2027
- License expiresFeb 28, 2027
- Holleran Daniel A#351427Novato·A General Engineering Contractor
- Valentine Corporation#229225San Rafael·A General Engineering Contractor
- American Construction and Supply INC#310599Corte Madera·A General Engineering Contractor
- Dutra Group the#295128San Rafael·A General Engineering Contractor
- Dutra Bill T#269913San Rafael·A General Engineering Contractor
- Ghilotti Bros INC#132128San Rafael·A General Engineering Contractor
- Maggiora and Ghilotti INC#226767San Rafael·A General Engineering Contractor
- Voutselas Chuck Plumbing LLC#323631Novato·B General Building Contractor
Working a California job with S O S I, or chasing an unpaid invoice? These free tools track your mechanics lien deadlines and rights under California Civil Code §§8200–8848.
- California preliminary notice deadline calculatorFind your 20-day deadline and the lien rights at risk.
- Do I need a preliminary notice in California?Answer a few questions to see if the 20-day notice applies.
- Did I lose my California lien rights?Check whether your mechanics lien window has passed.
- Unpaid construction invoice in CaliforniaYour options and deadlines for collecting on a California job.
Own S O S I? Claim or correct this profile