Public CSLB records

Sidney Builders INC, B General Building Contractor in San Anselmo, CA

License #886337·Corporation·San Anselmo, Marin County
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Summary

Sidney Builders INC operating as a corporation holds an active California contractor license (CSLB #886337), valid through Apr 30, 2027. First issued in 2006, the license has been on the CSLB roster for 20 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Company (mutual) and a previously-filed workers' compensation policy with State Compensation Insurance Fund that is no longer active. The business is based in San Anselmo, in Marin County, California.

Business Information
Address
P O Box 2051
San Anselmo, CA 94979
License Details & Classifications
License Number
886337
Issued
Oct 26, 2006
Status
CLEAR
Expires
Apr 30, 2027
Entity
Corporation
Financial & Insurance Coverage
Contractor Bond
Surety
Merchants Bonding Company (mutual)
Bond Number
101841578
Effective
Apr 27, 2026
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
State Compensation Insurance Fund
Policy Number
9375818
Effective
Feb 27, 2025
Expires
Feb 27, 2027
Cancelled
Apr 30, 2026
Alert

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

  • Workers' comp cancelled
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 Sidney Builders INC licensed in California?

Yes. Sidney Builders INC holds California Contractors State License Board license number 886337, which is active and in good standing. The license was first issued on October 26, 2006. It is valid through April 30, 2027.

What does Sidney Builders INC specialize in?

Sidney Builders INC is licensed for one CSLB classification: B General Building Contractor.

Where is Sidney Builders INC headquartered?

Sidney Builders INC is headquartered at P O Box 2051, San Anselmo, CA 94979, in Marin County, California.

Does Sidney Builders INC have an active surety bond on file with CSLB?

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

Does Sidney Builders INC carry workers' compensation coverage?

Sidney Builders INC has a previously-filed workers' compensation policy with State Compensation Insurance Fund that is no longer active.

How do I verify Sidney Builders INC's contractor license?

You can verify Sidney Builders INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=886337.

Activity Timeline
  1. License issuedOct 26, 2006
  2. WC coverage startsFeb 27, 2025
  3. Bond activeApr 27, 2026
  4. WC cancelledApr 30, 2026
  5. WC expiresFeb 27, 2027
  6. License expiresApr 30, 2027
Other contractors in Marin County
California lien & payment resources

Working a California job with Sidney 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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