Public CSLB records

Martinez R A & Son Const, B General Building Contractor in Los Osos, CA

License #616634·Partnership·Los Osos, San Luis Obispo County
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Summary

Martinez R A & Son Const operating as a partnership holds an active California contractor license (CSLB #616634), valid through Mar 31, 2027. First issued in 1991, the license has been on the CSLB roster for 35 years. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with Hudson Insurance Company and a previously-filed workers' compensation policy with Endurance Assurance Corporation that is no longer active. The business is based in Los Osos, in San Luis Obispo County, California.

Business Information
Address
413 Highland
Los Osos, CA 93402
License Details & Classifications
License Number
616634
Issued
Mar 26, 1991
Status
CLEAR
Expires
Mar 31, 2027
Entity
Partnership
Financial & Insurance Coverage
Contractor Bond
Surety
Hudson Insurance Company
Bond Number
30033484
Effective
Jan 1, 2023
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
Endurance Assurance Corporation
Policy Number
EAW0000341300
Effective
Jul 17, 2025
Expires
Jul 13, 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 Martinez R A & Son Const licensed in California?

Yes. Martinez R A & Son Const holds California Contractors State License Board license number 616634, which is active and in good standing. The license was first issued on March 26, 1991. It is valid through March 31, 2027.

What does Martinez R A & Son Const specialize in?

Martinez R A & Son Const is licensed for one CSLB classification: B General Building Contractor.

Where is Martinez R A & Son Const headquartered?

Martinez R A & Son Const is headquartered at 413 Highland, Los Osos, CA 93402, in San Luis Obispo County, California.

Does Martinez R A & Son Const have an active surety bond on file with CSLB?

Yes. Martinez R A & Son Const has an active California contractor surety bond filed with Hudson Insurance Company.

Does Martinez R A & Son Const carry workers' compensation coverage?

Martinez R A & Son Const has a previously-filed workers' compensation policy with Endurance Assurance Corporation that is no longer active.

How do I verify Martinez R A & Son Const's contractor license?

You can verify Martinez R A & Son Const's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=616634.

Activity Timeline
  1. License issuedMar 26, 1991
  2. Bond activeJan 1, 2023
  3. WC coverage startsJul 17, 2025
  4. WC expiredJul 13, 2026
  5. License expiresMar 31, 2027
Other contractors in San Luis Obispo County
California lien & payment resources

Working a California job with Martinez R A & Son Const, 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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