Public CSLB records

Core Group Builders LLC, B General Building Contractor in San Leandro, CA

License #1096594·Limited Liability·San Leandro, Alameda County
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Summary

Core Group Builders LLC operating as a limited liability holds California contractor license #1096594, which is currently expired (lapsed Sep 30, 2026) and not valid to contract until it is renewed. First issued in 2022, the license has been on the CSLB roster for 4 years. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with North River Insurance Company (the) and an exempt workers' compensation status (no employees on payroll). The business is based in San Leandro, in Alameda County, California.

Business Information
Address
1171 Gardner Blvd
San Leandro, CA 94577
License Details & Classifications
License Number
1096594
Issued
Sep 15, 2022
Status
CLEAR
Expires
Sep 30, 2026
Entity
Limited Liability
Financial & Insurance Coverage
Contractor Bond
Surety
North River Insurance Company (the)
Bond Number
04CF646516
Effective
Sep 21, 2025
Status
Active
Workers' Compensation
Coverage
Exempt
Carrier
—
Policy Number
—
Effective
Oct 17, 2024
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 Core Group Builders LLC licensed in California?

Core Group Builders LLC previously held California Contractors State License Board license number 1096594, but the license expired on September 30, 2026 and is not currently valid. It was first issued on September 15, 2022.

What does Core Group Builders LLC specialize in?

Core Group Builders LLC is licensed for one CSLB classification: B General Building Contractor.

Where is Core Group Builders LLC headquartered?

Core Group Builders LLC is headquartered at 1171 Gardner Blvd, San Leandro, CA 94577, in Alameda County, California.

Does Core Group Builders LLC have an active surety bond on file with CSLB?

Yes. Core Group Builders LLC has an active California contractor surety bond filed with North River Insurance Company (the).

Does Core Group Builders LLC carry workers' compensation coverage?

Core Group Builders LLC reports an exempt workers' compensation status, meaning the business has no employees on payroll.

How do I verify Core Group Builders LLC's contractor license?

You can verify Core Group Builders LLC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1096594.

Activity Timeline
  1. License issuedSep 15, 2022
  2. WC coverage startsOct 17, 2024
  3. Bond activeSep 21, 2025
  4. License expiredSep 30, 2026
Other contractors in Alameda County
California lien & payment resources

Working a California job with Core Group Builders LLC, 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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