Public CSLB records

Charles & Sons Builders INC, B General Building Contractor in San Anselmo, CA

License #470789·Corporation·San Anselmo, Marin County
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Summary

Charles & Sons Builders INC operating as a corporation holds an active California contractor license (CSLB #470789), valid through Feb 28, 2027. First issued in 1985, the license has been on the CSLB roster for 41 years. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with Merchants Bonding Company (mutual) and a previously-filed workers' compensation policy with Pie Insurance Company (the) that is no longer active. The business is based in San Anselmo, in Marin County, California.

Business Information
Address
P O Box 2866
San Anselmo, CA 94979
License Details & Classifications
License Number
470789
Issued
Mar 19, 1985
Status
CLEAR
Expires
Feb 28, 2027
Entity
Corporation
Financial & Insurance Coverage
Contractor Bond
Surety
Merchants Bonding Company (mutual)
Bond Number
101617651
Effective
Sep 17, 2025
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
Pie Insurance Company (the)
Policy Number
1104019
Effective
May 10, 2025
Expires
May 10, 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 Charles & Sons Builders INC licensed in California?

Yes. Charles & Sons Builders INC holds California Contractors State License Board license number 470789, which is active and in good standing. The license was first issued on March 19, 1985. It is valid through February 28, 2027.

What does Charles & Sons Builders INC specialize in?

Charles & Sons Builders INC is licensed for one CSLB classification: B General Building Contractor.

Where is Charles & Sons Builders INC headquartered?

Charles & Sons Builders INC is headquartered at P O Box 2866, San Anselmo, CA 94979, in Marin County, California.

Does Charles & Sons Builders INC have an active surety bond on file with CSLB?

Yes. Charles & Sons Builders INC has an active California contractor surety bond filed with Merchants Bonding Company (mutual).

Does Charles & Sons Builders INC carry workers' compensation coverage?

Charles & Sons Builders INC has a previously-filed workers' compensation policy with Pie Insurance Company (the) that is no longer active.

How do I verify Charles & Sons Builders INC's contractor license?

You can verify Charles & Sons Builders INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=470789.

Activity Timeline
  1. License issuedMar 19, 1985
  2. WC coverage startsMay 10, 2025
  3. Bond activeSep 17, 2025
  4. WC expiredMay 10, 2026
  5. License expiresFeb 28, 2027
Other contractors in Marin County
California lien & payment resources

Working a California job with Charles & Sons Builders 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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