Public CSLB records

Tt Construction and Engineering INC, A General Engineering Contractor in Lafayette, CA

License #754446·Corporation·Lafayette, Contra Costa County
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Summary

Tt Construction and Engineering INC operating as a corporation holds California contractor license #754446, which is currently expired (lapsed Sep 30, 2026) and not valid to contract until it is renewed. First issued in 1998, the license has been on the CSLB roster for 28 years. It carries 5 CSLB classifications: A General Engineering Contractor, B General Building Contractor, C-10 Electrical Contractor, C-33 Painting and Decorating Contractor, and C-36 Plumbing Contractor. Records show an active surety bond on file with Hudson Insurance Company and a previously-filed workers' compensation policy with State Compensation Insurance Fund that is no longer active. The business is based in Lafayette, in Contra Costa County, California.

Business Information
Address
3559 Mt.diablo Blvd #301
Lafayette, CA 94549
License Details & Classifications
Financial & Insurance Coverage
Contractor Bond
Surety
Hudson Insurance Company
Bond Number
30142609
Effective
Jul 14, 2024
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
State Compensation Insurance Fund
Policy Number
9024419
Effective
Oct 1, 2020
Expires
Oct 1, 2026
Alert

This contractor has a compliance issue in its public CSLB record:

  • License expired
  • No active workers' comp on file
License StatusInactive / Expired
Contractor BondOn file
Workers' CompensationInactive

An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this

Frequently asked questions
Is Tt Construction and Engineering INC licensed in California?

Tt Construction and Engineering INC previously held California Contractors State License Board license number 754446, but the license expired on September 30, 2026 and is not currently valid. It was first issued on September 24, 1998.

What does Tt Construction and Engineering INC specialize in?

Tt Construction and Engineering INC is licensed for 5 CSLB classifications: A General Engineering Contractor, B General Building Contractor, C-10 Electrical Contractor, C-33 Painting and Decorating Contractor, and C-36 Plumbing Contractor.

Where is Tt Construction and Engineering INC headquartered?

Tt Construction and Engineering INC is headquartered at 3559 Mt.diablo Blvd #301, Lafayette, CA 94549, in Contra Costa County, California.

Does Tt Construction and Engineering INC have an active surety bond on file with CSLB?

Yes. Tt Construction and Engineering INC has an active California contractor surety bond filed with Hudson Insurance Company.

Does Tt Construction and Engineering INC carry workers' compensation coverage?

Tt Construction and Engineering INC has a previously-filed workers' compensation policy with State Compensation Insurance Fund that is no longer active.

How do I verify Tt Construction and Engineering INC's contractor license?

You can verify Tt Construction and Engineering INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=754446.

Activity Timeline
  1. License issuedSep 24, 1998
  2. WC coverage startsOct 1, 2020
  3. Bond activeJul 14, 2024
  4. License expiredSep 30, 2026
  5. WC expiredOct 1, 2026
Other contractors in Contra Costa County
California lien & payment resources

Working a California job with Tt Construction and Engineering INC, or chasing an unpaid invoice? These free tools track your mechanics lien deadlines and rights under California Civil Code §§8200–8848.

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