Public CSLB records

Rex Lock & Safe INC, C-28 Lock and Security Equipment Contractor in Concord, CA

License #691700·Corporation·Concord, Contra Costa County
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Summary

Rex Lock & Safe INC operating as a corporation holds an active California contractor license (CSLB #691700), valid through Oct 31, 2027. First issued in 1994, the license has been on the CSLB roster for 32 years. It carries 3 CSLB classifications: C-28 Lock and Security Equipment Contractor, C-61/D-16 Hardware, Locks and Safes Contractor, and C-61/D-28 Doors, Gates and Activating Devices Contractor. Records show an active surety bond on file with Merchants Bonding Company (mutual) and active workers' compensation coverage from Hartford Casualty Insurance Company. The business is based in Concord, in Contra Costa County, California.

Business Information
Address
3511 Clayton Rd
Concord, CA 94519
License Details & Classifications
Financial & Insurance Coverage
Contractor Bond
Surety
Merchants Bonding Company (mutual)
Bond Number
100313145
Effective
Jan 1, 2024
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
Hartford Casualty Insurance Company
Policy Number
57WECBX1ANR
Effective
Nov 15, 2025
Expires
Nov 15, 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 Rex Lock & Safe INC licensed in California?

Yes. Rex Lock & Safe INC holds California Contractors State License Board license number 691700, which is active and in good standing. The license was first issued on July 5, 1994. It is valid through October 31, 2027.

What does Rex Lock & Safe INC specialize in?

Rex Lock & Safe INC is licensed for 3 CSLB classifications: C-28 Lock and Security Equipment Contractor, C-61/D-16 Hardware, Locks and Safes Contractor, and C-61/D-28 Doors, Gates and Activating Devices Contractor.

Where is Rex Lock & Safe INC headquartered?

Rex Lock & Safe INC is headquartered at 3511 Clayton Rd, Concord, CA 94519, in Contra Costa County, California.

Does Rex Lock & Safe INC have an active surety bond on file with CSLB?

Yes. Rex Lock & Safe INC has an active California contractor surety bond filed with Merchants Bonding Company (mutual).

Does Rex Lock & Safe INC carry workers' compensation coverage?

Yes. Rex Lock & Safe INC carries active workers' compensation coverage through Hartford Casualty Insurance Company.

How do I verify Rex Lock & Safe INC's contractor license?

You can verify Rex Lock & Safe INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=691700.

Activity Timeline
  1. License issuedJul 5, 1994
  2. Bond activeJan 1, 2024
  3. WC coverage startsNov 15, 2025
  4. WC expiresNov 15, 2026
  5. License expiresOct 31, 2027
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California lien & payment resources

Working a California job with Rex Lock & Safe INC, 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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