Public CSLB records

Rock Core Engineering, A General Engineering Contractor in Sacramento, CA

License #1066796·Sole Owner·Sacramento, Sacramento County
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Summary

Rock Core Engineering operating as a sole owner holds California contractor license #1066796, which is currently expired (lapsed Jul 31, 2026) and not valid to contract until it is renewed. First issued in 2020, the license has been on the CSLB roster for 6 years. It carries 3 CSLB classifications: A General Engineering Contractor, B General Building Contractor, and C-13 Fencing Contractor. Records show an active surety bond on file with Ohio Casualty Insurance Company (the) and an exempt workers' compensation status (no employees on payroll). The business is based in Sacramento, in Sacramento County, California.

Business Information
Address
3700 56th Street
Sacramento, CA 95820
License Details & Classifications
License Number
1066796
Issued
Jul 8, 2020
Status
CLEAR
Expires
Jul 31, 2026
Entity
Sole Owner
Financial & Insurance Coverage
Contractor Bond
Surety
Ohio Casualty Insurance Company (the)
Bond Number
999056470
Effective
Jan 1, 2023
Status
Active
Workers' Compensation
Coverage
Exempt
Carrier
Policy Number
Effective
Aug 6, 2025
Expires
Alert

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

  • License expired
License StatusInactive / Expired
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 Rock Core Engineering licensed in California?

Rock Core Engineering previously held California Contractors State License Board license number 1066796, but the license expired on July 31, 2026 and is not currently valid. It was first issued on July 8, 2020.

What does Rock Core Engineering specialize in?

Rock Core Engineering is licensed for 3 CSLB classifications: A General Engineering Contractor, B General Building Contractor, and C-13 Fencing Contractor.

Where is Rock Core Engineering headquartered?

Rock Core Engineering is headquartered at 3700 56th Street, Sacramento, CA 95820, in Sacramento County, California.

Does Rock Core Engineering have an active surety bond on file with CSLB?

Yes. Rock Core Engineering has an active California contractor surety bond filed with Ohio Casualty Insurance Company (the).

Does Rock Core Engineering carry workers' compensation coverage?

Rock Core Engineering reports an exempt workers' compensation status, meaning the business has no employees on payroll.

How do I verify Rock Core Engineering's contractor license?

You can verify Rock Core Engineering's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1066796.

Activity Timeline
  1. License issuedJul 8, 2020
  2. Bond activeJan 1, 2023
  3. WC coverage startsAug 6, 2025
  4. License expiredJul 31, 2026
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California lien & payment resources

Working a California job with Rock Core Engineering, 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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