T S C Construction Co
Orinda · Contra Costa County · CA
Verified
Bestopedia verdict
California’s contractor board lists T S C Construction Co with a license standing of CLEAR. A contractor bond is on file, and workers’ compensation coverage is current.
- License standing
- 25 / 25
- Clean record
- 15 / 15
- Track record
- 22.6 / 30
- License continuity
- 10 / 10
- Workers' comp
- 12 / 12
- Contractor bond
- 8 / 8
The verified record
- CSLB license
- #644387 verify on CSLB ↗
- Classifications
- B
- Years licensed
- 34.2 years since 05/08/1992
- Contractor bond
- $25,000 Merchants Bonding Company (Mutual)
- Workers’ comp
- Current American Casualty Company of Reading Pa
- Business type
- Sole Owner
- Qualifying principal
- Sum Cheung Tsz
- Address of record
- 37 Robert Road, Orinda, CA 94563
Frequently Asked Questions
Is T S C Construction Co a licensed General Contractor contractor in California?
Yes. T S C Construction Co holds California CSLB contractor license #644387 with a B (General Building) classification. Current CSLB status: CLEAR (as of July 2026).
What work is T S C Construction Co licensed to perform?
T S C Construction Co is licensed for B (General Building).
Is T S C Construction Co bonded?
Yes. T S C Construction Co carries contractor's bond #101810402 for $25,000 through Merchants Bonding Company (Mutual).
Does T S C Construction Co carry workers' compensation insurance?
Yes. T S C Construction Co has workers' compensation insurance on file with American Casualty Company of Reading Pa, with a policy expiration of 05/08/2027.
How long has T S C Construction Co held its contractor license?
T S C Construction Co has held California contractor license #644387 since 05/08/1992, approximately 34 years (as of July 2026).
Where is T S C Construction Co located?
T S C Construction Co is based in Orinda, Contra Costa County, CA 94563.