Public CSLB records

Cornerstone Construction, B General Building Contractor in Eureka, CA

License #986270·Corporation·Eureka, Humboldt County
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Summary

Cornerstone Construction operating as a corporation holds an active California contractor license (CSLB #986270), valid through Jun 30, 2027. First issued in 2013, the license has been on the CSLB roster for 13 years. It carries 2 CSLB classifications: B General Building Contractor and C-8 Concrete Contractor. Records show an active surety bond on file with Business Alliance Insurance Company and active workers' compensation coverage from Everest Premier Insurance Company. The business is based in Eureka, in Humboldt County, California.

Business Information
Address
Po Box 6056
Eureka, CA 95502
License Details & Classifications
License Number
986270
Issued
Aug 23, 2013
Status
CLEAR
Expires
Jun 30, 2027
Entity
Corporation
Financial & Insurance Coverage
Contractor Bond
Surety
Business Alliance Insurance Company
Bond Number
G100629220544
Effective
Jan 1, 2023
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
Everest Premier Insurance Company
Policy Number
7600026032251
Effective
Aug 6, 2025
Expires
Aug 6, 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 Cornerstone Construction licensed in California?

Yes. Cornerstone Construction holds California Contractors State License Board license number 986270, which is active and in good standing. The license was first issued on August 23, 2013. It is valid through June 30, 2027.

What does Cornerstone Construction specialize in?

Cornerstone Construction is licensed for 2 CSLB classifications: B General Building Contractor and C-8 Concrete Contractor.

Where is Cornerstone Construction headquartered?

Cornerstone Construction is headquartered at Po Box 6056, Eureka, CA 95502, in Humboldt County, California.

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

Yes. Cornerstone Construction has an active California contractor surety bond filed with Business Alliance Insurance Company.

Does Cornerstone Construction carry workers' compensation coverage?

Yes. Cornerstone Construction carries active workers' compensation coverage through Everest Premier Insurance Company.

How do I verify Cornerstone Construction's contractor license?

You can verify Cornerstone Construction's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=986270.

Activity Timeline
  1. License issuedAug 23, 2013
  2. Bond activeJan 1, 2023
  3. WC coverage startsAug 6, 2025
  4. WC expiresAug 6, 2026
  5. License expiresJun 30, 2027
Other contractors in Humboldt County
California lien & payment resources

Working a California job with Cornerstone Construction, 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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