Griffin/Swinerton LLC
Griffin/Swinerton LLC operating as a limited liability is licensed in California under CSLB number 1045588. The license was first issued in 2018, putting the business at 8 years on the active CSLB roster. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with Liberty Mutual Insurance Company and active workers' compensation coverage from Zurich American Insurance Company. The business is based in Concord, in Contra Costa County, California.
- License Number
- 1045588
- Issued
- Oct 12, 2018
- Status
- CLEAR
- Expires
- Oct 31, 2026
- Entity
- Limited Liability
- Surety
- Liberty Mutual Insurance Company
- Bond Number
- 070207101
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Zurich American Insurance Company
- Policy Number
- WC147801704
- Effective
- Aug 22, 2025
- Expires
- Aug 22, 2026
This contractor is verified, with no adverse conditions in the current CSLB record.
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Griffin/Swinerton LLC licensed in California?
Yes. Griffin/Swinerton LLC holds California Contractors State License Board license number 1045588. The license was first issued on October 12, 2018. It is valid through October 31, 2026.
What does Griffin/Swinerton LLC specialize in?
Griffin/Swinerton LLC is licensed for one CSLB classification: B General Building Contractor.
Where is Griffin/Swinerton LLC headquartered?
Griffin/Swinerton LLC is headquartered at 2001 Clayton Road 7th Floor, Concord, CA 94107, in Contra Costa County, California.
Does Griffin/Swinerton LLC have an active surety bond on file with CSLB?
Yes. Griffin/Swinerton LLC has an active California contractor surety bond filed with Liberty Mutual Insurance Company.
Does Griffin/Swinerton LLC carry workers' compensation coverage?
Yes. Griffin/Swinerton LLC carries active workers' compensation coverage through Zurich American Insurance Company.
How do I verify Griffin/Swinerton LLC's contractor license?
You can verify Griffin/Swinerton LLC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1045588.
- License issuedOct 12, 2018
- Bond activeJan 1, 2023
- WC coverage startsAug 22, 2025
- WC expiresAug 22, 2026
- License expiresOct 31, 2026
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