Public CSLB records

R B M Lock & Key Service, C-28 Lock and Security Equipment Contractor in Ontario, CA

License #517474·Sole Owner·Ontario, San Bernardino County
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Summary

R B M Lock & Key Service operating as a sole owner holds an active California contractor license (CSLB #517474), valid through Sep 30, 2027. First issued in 1987, the license has been on the CSLB roster for 39 years. It carries 2 CSLB classifications: C-28 Lock and Security Equipment Contractor and C-61/D-16 Hardware, Locks and Safes Contractor. Records show an active surety bond on file with Western Surety Company and active workers' compensation coverage from Travelers Property Casualty Company of America. The business is based in Ontario, in San Bernardino County, California.

Business Information
Address
2235 E 4th Street Unit #b
Ontario, CA 91764
License Details & Classifications
License Number
517474
Issued
Sep 11, 1987
Status
CLEAR
Expires
Sep 30, 2027
Entity
Sole Owner
Financial & Insurance Coverage
Contractor Bond
Surety
Western Surety Company
Bond Number
72504875
Effective
Jan 1, 2023
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
Travelers Property Casualty Company of America
Policy Number
UB7T6811852542G
Effective
Nov 1, 2025
Expires
Nov 1, 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 R B M Lock & Key Service licensed in California?

Yes. R B M Lock & Key Service holds California Contractors State License Board license number 517474, which is active and in good standing. The license was first issued on September 11, 1987. It is valid through September 30, 2027.

What does R B M Lock & Key Service specialize in?

R B M Lock & Key Service is licensed for 2 CSLB classifications: C-28 Lock and Security Equipment Contractor and C-61/D-16 Hardware, Locks and Safes Contractor.

Where is R B M Lock & Key Service headquartered?

R B M Lock & Key Service is headquartered at 2235 E 4th Street Unit #b, Ontario, CA 91764, in San Bernardino County, California.

Does R B M Lock & Key Service have an active surety bond on file with CSLB?

Yes. R B M Lock & Key Service has an active California contractor surety bond filed with Western Surety Company.

Does R B M Lock & Key Service carry workers' compensation coverage?

Yes. R B M Lock & Key Service carries active workers' compensation coverage through Travelers Property Casualty Company of America.

How do I verify R B M Lock & Key Service's contractor license?

You can verify R B M Lock & Key Service's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=517474.

Activity Timeline
  1. License issuedSep 11, 1987
  2. Bond activeJan 1, 2023
  3. WC coverage startsNov 1, 2025
  4. WC expiresNov 1, 2026
  5. License expiresSep 30, 2027
Other contractors in San Bernardino County
California lien & payment resources

Working a California job with R B M Lock & Key Service, 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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