T S C Construction CO, B General Building Contractor in Orinda, CA
T S C Construction CO operating as a sole owner holds California contractor license #644387, which is currently expired (lapsed May 31, 2026) and not valid to contract until it is renewed. First issued in 1992, the license has been on the CSLB roster for 34 years. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with Merchants Bonding Company (mutual) and a previously-filed workers' compensation policy with State Compensation Insurance Fund that is no longer active. The business is based in Orinda, in Contra Costa County, California.
- License Number
- 644387
- Issued
- May 8, 1992
- Status
- CLEAR
- Expires
- May 31, 2026
- Entity
- Sole Owner
- Surety
- Merchants Bonding Company (mutual)
- Bond Number
- 101810402
- Effective
- Mar 12, 2026
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- State Compensation Insurance Fund
- Policy Number
- 9248033
- Effective
- Mar 26, 2019
- Expires
- Mar 26, 2027
- Cancelled
- Apr 13, 2026
This contractor has a compliance issue in its public CSLB record:
- License expired
- Workers' comp cancelled
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is T S C Construction CO licensed in California?
T S C Construction CO previously held California Contractors State License Board license number 644387, but the license expired on May 31, 2026 and is not currently valid. It was first issued on May 8, 1992.
What does T S C Construction CO specialize in?
T S C Construction CO is licensed for one CSLB classification: B General Building Contractor.
Where is T S C Construction CO headquartered?
T S C Construction CO is headquartered at 37 Robert Road, Orinda, CA 94563, in Contra Costa County, California.
Does T S C Construction CO have an active surety bond on file with CSLB?
Yes. T S C Construction CO has an active California contractor surety bond filed with Merchants Bonding Company (mutual).
Does T S C Construction CO carry workers' compensation coverage?
T S C Construction CO has a previously-filed workers' compensation policy with State Compensation Insurance Fund that is no longer active.
How do I verify T S C Construction CO's contractor license?
You can verify T S C Construction CO's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=644387.
- License issuedMay 8, 1992
- WC coverage startsMar 26, 2019
- Bond activeMar 12, 2026
- WC cancelledApr 13, 2026
- License expiredMay 31, 2026
- WC expiresMar 26, 2027
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