Public CSLB records

Thomsen and Son INC

License #525938·Corporation·Ramona, San Diego County
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Summary

Thomsen and Son INC operating as a corporation is licensed in California under CSLB number 525938. The license was first issued in 1988, putting the business at 38 years on the active CSLB roster. It carries 2 CSLB classifications: A General Engineering Contractor and B General Building Contractor. Records show an active surety bond on file with Western Surety Company and an exempt workers' compensation status (no employees on payroll). The business is based in Ramona, in San Diego County, California.

Business Information
Address
P O Box 3236
Ramona, CA 92065
License Details & Classifications
License Number
525938
Issued
Mar 2, 1988
Status
CLEAR
Expires
Apr 30, 2026
Entity
Corporation
Financial & Insurance Coverage
Contractor Bond
Surety
Western Surety Company
Bond Number
67341730
Effective
May 27, 2025
Status
Active
Workers' Compensation
Coverage
Exempt
Carrier
Policy Number
Effective
Apr 15, 2024
Expires
Alert

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

  • License expired
License StatusInactive / Expired
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 Thomsen and Son INC licensed in California?

Thomsen and Son INC holds California Contractors State License Board license number 525938. The license was first issued on March 2, 1988. It is valid through April 30, 2026.

What does Thomsen and Son INC specialize in?

Thomsen and Son INC is licensed for 2 CSLB classifications: A General Engineering Contractor and B General Building Contractor.

Where is Thomsen and Son INC headquartered?

Thomsen and Son INC is headquartered at P O Box 3236, Ramona, CA 92065, in San Diego County, California.

Does Thomsen and Son INC have an active surety bond on file with CSLB?

Yes. Thomsen and Son INC has an active California contractor surety bond filed with Western Surety Company.

Does Thomsen and Son INC carry workers' compensation coverage?

Thomsen and Son INC reports an exempt workers' compensation status, meaning the business has no employees on payroll.

How do I verify Thomsen and Son INC's contractor license?

You can verify Thomsen and Son INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=525938.

Activity Timeline
  1. License issuedMar 2, 1988
  2. WC coverage startsApr 15, 2024
  3. Bond activeMay 27, 2025
  4. License expiredApr 30, 2026
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