Tnd Engineering & Construction, B General Building Contractor in San Ramon, CA
Tnd Engineering & Construction operating as a sole owner holds California contractor license #645402, 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 Atlantic Specialty Insurance Company and an exempt workers' compensation status (no employees on payroll). The business is based in San Ramon, in Contra Costa County, California.
- License Number
- 645402
- Issued
- May 19, 1992
- Status
- CLEAR
- Expires
- May 31, 2026
- Entity
- Sole Owner
- Surety
- Atlantic Specialty Insurance Company
- Bond Number
- 800212451
- Effective
- Oct 28, 2025
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- May 28, 2024
- Expires
- —
This contractor has a compliance issue in its public CSLB record:
- License expired
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Tnd Engineering & Construction licensed in California?
Tnd Engineering & Construction previously held California Contractors State License Board license number 645402, but the license expired on May 31, 2026 and is not currently valid. It was first issued on May 19, 1992.
What does Tnd Engineering & Construction specialize in?
Tnd Engineering & Construction is licensed for one CSLB classification: B General Building Contractor.
Where is Tnd Engineering & Construction headquartered?
Tnd Engineering & Construction is headquartered at 3716 Segovia Court, San Ramon, CA 94583, in Contra Costa County, California.
Does Tnd Engineering & Construction have an active surety bond on file with CSLB?
Yes. Tnd Engineering & Construction has an active California contractor surety bond filed with Atlantic Specialty Insurance Company.
Does Tnd Engineering & Construction carry workers' compensation coverage?
Tnd Engineering & Construction reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Tnd Engineering & Construction's contractor license?
You can verify Tnd Engineering & Construction's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=645402.
- License issuedMay 19, 1992
- WC coverage startsMay 28, 2024
- Bond activeOct 28, 2025
- License expiredMay 31, 2026
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