Public CSLB records

Masterworks, B General Building Contractor in Pinole, CA

License #818764·Partnership·Pinole, Contra Costa County
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Summary

Masterworks operating as a partnership holds an active California contractor license (CSLB #818764), valid through Apr 30, 2027. First issued in 2003, the license has been on the CSLB roster for 23 years. It carries a single CSLB classification: B — General Building Contractor. Records show a previously-filed surety bond from Merchants Bonding Company (mutual) that is no longer active and an exempt workers' compensation status (no employees on payroll). The business is based in Pinole, in Contra Costa County, California.

Business Information
Address
3213 Hermosa Street
Pinole, CA 94564
License Details & Classifications
License Number
818764
Issued
Apr 11, 2003
Status
CLEAR
Expires
Apr 30, 2027
Entity
Partnership
Financial & Insurance Coverage
Contractor Bond
Surety
Merchants Bonding Company (mutual)
Bond Number
101716138
Effective
Feb 23, 2026
Status
Cancelled
Cancelled
May 21, 2026
Workers' Compensation
Coverage
Exempt
Carrier
Policy Number
Effective
Mar 13, 2025
Expires
Alert

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

  • Contractor bond cancelled
License StatusActive
Contractor BondCancelled
Workers' CompensationActive

An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this

Frequently asked questions
Is Masterworks licensed in California?

Yes. Masterworks holds California Contractors State License Board license number 818764, which is active and in good standing. The license was first issued on April 11, 2003. It is valid through April 30, 2027.

What does Masterworks specialize in?

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

Where is Masterworks headquartered?

Masterworks is headquartered at 3213 Hermosa Street, Pinole, CA 94564, in Contra Costa County, California.

Does Masterworks have an active surety bond on file with CSLB?

Masterworks has a previously-filed surety bond from Merchants Bonding Company (mutual) that is no longer active.

Does Masterworks carry workers' compensation coverage?

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

How do I verify Masterworks's contractor license?

You can verify Masterworks's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=818764.

Activity Timeline
  1. License issuedApr 11, 2003
  2. WC coverage startsMar 13, 2025
  3. Bond activeFeb 23, 2026
  4. Bond cancelledMay 21, 2026
  5. License expiresApr 30, 2027
Other contractors in Contra Costa County
California lien & payment resources

Working a California job with Masterworks, 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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