S2serm LLC, A General Engineering Contractor in Danville, CA
S2serm LLC operating as a limited liability holds an active California contractor license (CSLB #1146389), valid through Nov 30, 2027. First issued in 2025, the license has been on the CSLB roster for 1 year. It carries a single CSLB classification: A — General Engineering Contractor. Records show an active surety bond on file with Atlantic Specialty Insurance Company and a previously-filed workers' compensation policy with Transportation Insurance Company that is no longer active. The business is based in Danville, in Contra Costa County, California.
Danville, CA 94526
- License Number
- 1146389
- Issued
- Nov 17, 2025
- Status
- CLEAR
- Expires
- Nov 30, 2027
- Entity
- Limited Liability
- Surety
- Atlantic Specialty Insurance Company
- Bond Number
- 800208294
- Effective
- Nov 14, 2025
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Transportation Insurance Company
- Policy Number
- 7015100423
- Effective
- Nov 14, 2025
- Expires
- Jun 30, 2026
This contractor has a compliance issue in its public CSLB record:
- No active workers' comp on file
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is S2serm LLC licensed in California?
Yes. S2serm LLC holds California Contractors State License Board license number 1146389, which is active and in good standing. The license was first issued on November 17, 2025. It is valid through November 30, 2027.
What does S2serm LLC specialize in?
S2serm LLC is licensed for one CSLB classification: A General Engineering Contractor.
Where is S2serm LLC headquartered?
S2serm LLC is headquartered at 676 San Ramon Valley Blvd,ste 368, Danville, CA 94526, in Contra Costa County, California.
Does S2serm LLC have an active surety bond on file with CSLB?
Yes. S2serm LLC has an active California contractor surety bond filed with Atlantic Specialty Insurance Company.
Does S2serm LLC carry workers' compensation coverage?
S2serm LLC has a previously-filed workers' compensation policy with Transportation Insurance Company that is no longer active.
How do I verify S2serm LLC's contractor license?
You can verify S2serm LLC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1146389.
- Bond activeNov 14, 2025
- WC coverage startsNov 14, 2025
- License issuedNov 17, 2025
- WC expiredJun 30, 2026
- License expiresNov 30, 2027
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