Public CSLB records

Castlerock Environmental INC, A General Engineering Contractor in Santa Fe Springs, CA

License #776105·Corporation·Santa Fe Springs, Los Angeles County
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Summary

Castlerock Environmental INC operating as a corporation holds an active California contractor license (CSLB #776105), valid through Mar 31, 2028. First issued in 2000, the license has been on the CSLB roster for 26 years. It carries 6 CSLB classifications: A General Engineering Contractor, B General Building Contractor, C-2 Insulation and Acoustical Contractor, C-15 Flooring and Floor Covering Contractor, C-21 Building Moving / Demolition Contractor, and C-22 Asbestos Abatement Contractor. Records show an active surety bond on file with Harco National Insurance Company and a previously-filed workers' compensation policy with Zurich American Insurance Company that is no longer active. The business is based in Santa Fe Springs, in Los Angeles County, California.

Business Information
Address
10040 Painter Avenue
Santa Fe Springs, CA 90670
License Details & Classifications
Financial & Insurance Coverage
Contractor Bond
Surety
Harco National Insurance Company
Bond Number
0613535
Effective
Jan 1, 2023
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
Zurich American Insurance Company
Policy Number
WC440124606
Effective
Aug 23, 2025
Expires
Aug 23, 2026
Alert

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

  • No active workers' comp on file
License StatusActive
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 Castlerock Environmental INC licensed in California?

Yes. Castlerock Environmental INC holds California Contractors State License Board license number 776105, which is active and in good standing. The license was first issued on March 13, 2000. It is valid through March 31, 2028.

What does Castlerock Environmental INC specialize in?

Castlerock Environmental INC is licensed for 6 CSLB classifications: A General Engineering Contractor, B General Building Contractor, C-2 Insulation and Acoustical Contractor, C-15 Flooring and Floor Covering Contractor, C-21 Building Moving / Demolition Contractor, and C-22 Asbestos Abatement Contractor.

Where is Castlerock Environmental INC headquartered?

Castlerock Environmental INC is headquartered at 10040 Painter Avenue, Santa Fe Springs, CA 90670, in Los Angeles County, California.

Does Castlerock Environmental INC have an active surety bond on file with CSLB?

Yes. Castlerock Environmental INC has an active California contractor surety bond filed with Harco National Insurance Company.

Does Castlerock Environmental INC carry workers' compensation coverage?

Castlerock Environmental INC has a previously-filed workers' compensation policy with Zurich American Insurance Company that is no longer active.

How do I verify Castlerock Environmental INC's contractor license?

You can verify Castlerock Environmental INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=776105.

Activity Timeline
  1. License issuedMar 13, 2000
  2. Bond activeJan 1, 2023
  3. WC coverage startsAug 23, 2025
  4. WC expiredAug 23, 2026
  5. License expiresMar 31, 2028
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California lien & payment resources

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