Public CSLB records

Mosaic Construction, B General Building Contractor in Oakland, CA

License #973633·Corporation·Oakland, Alameda County
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Summary

Mosaic Construction operating as a corporation holds an active California contractor license (CSLB #973633), valid through Dec 31, 2026. First issued in 2012, the license has been on the CSLB roster for 14 years. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with Merchants Bonding Company (mutual) and a previously-filed workers' compensation policy with Omaha National Casualty Company that is no longer active. The business is based in Oakland, in Alameda County, California.

Business Information
Address
1072 Underhills Road
Oakland, CA 94610
License Details & Classifications
License Number
973633
Issued
Jun 1, 2012
Status
CLEAR
Expires
Dec 31, 2026
Entity
Corporation
Financial & Insurance Coverage
Contractor Bond
Surety
Merchants Bonding Company (mutual)
Bond Number
101334370
Effective
Dec 1, 2024
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
Omaha National Casualty Company
Policy Number
ONCC1701273401
Effective
May 15, 2025
Expires
May 15, 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 Mosaic Construction licensed in California?

Yes. Mosaic Construction holds California Contractors State License Board license number 973633, which is active and in good standing. The license was first issued on June 1, 2012. It is valid through December 31, 2026.

What does Mosaic Construction specialize in?

Mosaic Construction is licensed for one CSLB classification: B General Building Contractor.

Where is Mosaic Construction headquartered?

Mosaic Construction is headquartered at 1072 Underhills Road, Oakland, CA 94610, in Alameda County, California.

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

Yes. Mosaic Construction has an active California contractor surety bond filed with Merchants Bonding Company (mutual).

Does Mosaic Construction carry workers' compensation coverage?

Mosaic Construction has a previously-filed workers' compensation policy with Omaha National Casualty Company that is no longer active.

How do I verify Mosaic Construction's contractor license?

You can verify Mosaic Construction's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=973633.

Activity Timeline
  1. License issuedJun 1, 2012
  2. Bond activeDec 1, 2024
  3. WC coverage startsMay 15, 2025
  4. WC expiredMay 15, 2026
  5. License expiresDec 31, 2026
Other contractors in Alameda County
California lien & payment resources

Working a California job with Mosaic 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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