Public CSLB records

Swinerton Builders, A General Engineering Contractor in Concord, CA

License #92·Corporation·Concord, Contra Costa County
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Summary

Swinerton Builders operating as a corporation holds an active California contractor license (CSLB #92), valid through Aug 31, 2027. First issued in 1929, the license has been on the CSLB roster for 97 years. It carries 17 CSLB classifications: A General Engineering Contractor, B General Building Contractor, C-2 Insulation and Acoustical Contractor, C-4 Boiler, Hot Water Heating and Steam Fitting Contractor, C-5 Framing and Rough Carpentry Contractor, C-6 Cabinet, Millwork and Finish Carpentry Contractor, C-8 Concrete Contractor, C-9 Drywall Contractor, C-10 Electrical Contractor, C-12 Earthwork and Paving Contractor, C-21 Building Moving / Demolition Contractor, C-29 Masonry Contractor, C-33 Painting and Decorating Contractor, C-35 Lathing and Plastering Contractor, C-39 Roofing Contractor, C-50 Reinforcing Steel Contractor, and C-61/D-28 Doors, Gates and Activating Devices Contractor. Records show an active surety bond on file with Liberty Mutual Insurance Company and active workers' compensation coverage from First Liberty Insurance Corporation. The business is based in Concord, in Contra Costa County, California.

Business Information
Address
2001 Clayton Road 7th Floor
Concord, CA 94520
License Details & Classifications
Financial & Insurance Coverage
Contractor Bond
Surety
Liberty Mutual Insurance Company
Bond Number
24002178
Effective
Jan 1, 2023
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
First Liberty Insurance Corporation
Policy Number
WA666D066493035
Effective
Aug 1, 2025
Expires
Aug 1, 2026
Verified

This contractor is verified, with no adverse conditions in the current CSLB record.

License StatusActive
Contractor BondOn file
Workers' CompensationActive

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

Frequently asked questions
Is Swinerton Builders licensed in California?

Yes. Swinerton Builders holds California Contractors State License Board license number 92, which is active and in good standing. The license was first issued on October 1, 1929. It is valid through August 31, 2027.

What does Swinerton Builders specialize in?

Swinerton Builders is licensed for 17 CSLB classifications: A General Engineering Contractor, B General Building Contractor, C-2 Insulation and Acoustical Contractor, C-4 Boiler, Hot Water Heating and Steam Fitting Contractor, C-5 Framing and Rough Carpentry Contractor, C-6 Cabinet, Millwork and Finish Carpentry Contractor, C-8 Concrete Contractor, C-9 Drywall Contractor, C-10 Electrical Contractor, C-12 Earthwork and Paving Contractor, C-21 Building Moving / Demolition Contractor, C-29 Masonry Contractor, C-33 Painting and Decorating Contractor, C-35 Lathing and Plastering Contractor, C-39 Roofing Contractor, C-50 Reinforcing Steel Contractor, and C-61/D-28 Doors, Gates and Activating Devices Contractor.

Where is Swinerton Builders headquartered?

Swinerton Builders is headquartered at 2001 Clayton Road 7th Floor, Concord, CA 94520, in Contra Costa County, California.

Does Swinerton Builders have an active surety bond on file with CSLB?

Yes. Swinerton Builders has an active California contractor surety bond filed with Liberty Mutual Insurance Company.

Does Swinerton Builders carry workers' compensation coverage?

Yes. Swinerton Builders carries active workers' compensation coverage through First Liberty Insurance Corporation.

How do I verify Swinerton Builders's contractor license?

You can verify Swinerton Builders's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=92.

Activity Timeline
  1. License issuedOct 1, 1929
  2. Bond activeJan 1, 2023
  3. WC coverage startsAug 1, 2025
  4. WC expiresAug 1, 2026
  5. License expiresAug 31, 2027
Other contractors in Contra Costa County
California lien & payment resources

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