Public CSLB records

Siteworks Construction INC, A General Engineering Contractor in Lafayette, CA

License #610597·Corporation·Lafayette, Contra Costa County
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Summary

Siteworks Construction INC operating as a corporation holds an active California contractor license (CSLB #610597), valid through Jan 31, 2027. First issued in 1991, the license has been on the CSLB roster for 35 years. It carries a single CSLB classification: A — General Engineering Contractor. Records show an active surety bond on file with Western Surety Company and active workers' compensation coverage from Omaha National Casualty Company. The business is based in Lafayette, in Contra Costa County, California.

Business Information
Address
P O Box 1324
Lafayette, CA 94549
License Details & Classifications
License Number
610597
Issued
Jan 24, 1991
Status
CLEAR
Expires
Jan 31, 2027
Entity
Corporation
Financial & Insurance Coverage
Contractor Bond
Surety
Western Surety Company
Bond Number
67695083
Effective
Mar 31, 2026
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
Omaha National Casualty Company
Policy Number
ONCC0965507
Effective
Apr 1, 2026
Expires
Apr 1, 2027
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 Siteworks Construction INC licensed in California?

Yes. Siteworks Construction INC holds California Contractors State License Board license number 610597, which is active and in good standing. The license was first issued on January 24, 1991. It is valid through January 31, 2027.

What does Siteworks Construction INC specialize in?

Siteworks Construction INC is licensed for one CSLB classification: A General Engineering Contractor.

Where is Siteworks Construction INC headquartered?

Siteworks Construction INC is headquartered at P O Box 1324, Lafayette, CA 94549, in Contra Costa County, California.

Does Siteworks Construction INC have an active surety bond on file with CSLB?

Yes. Siteworks Construction INC has an active California contractor surety bond filed with Western Surety Company.

Does Siteworks Construction INC carry workers' compensation coverage?

Yes. Siteworks Construction INC carries active workers' compensation coverage through Omaha National Casualty Company.

How do I verify Siteworks Construction INC's contractor license?

You can verify Siteworks Construction INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=610597.

Activity Timeline
  1. License issuedJan 24, 1991
  2. Bond activeMar 31, 2026
  3. WC coverage startsApr 1, 2026
  4. License expiresJan 31, 2027
  5. WC expiresApr 1, 2027
Other contractors in Contra Costa County
California lien & payment resources

Working a California job with Siteworks Construction 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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