Public CSLB records

Rubecon Builders INC, A General Engineering Contractor in San Francisco, CA

License #734031·Corporation·San Francisco, San Francisco County
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Summary

Rubecon Builders INC operating as a corporation holds an active California contractor license (CSLB #734031), valid through Mar 31, 2027. First issued in 1997, the license has been on the CSLB roster for 29 years. It carries 7 CSLB classifications: A General Engineering Contractor, B General Building Contractor, C-5 Framing and Rough Carpentry Contractor, C-6 Cabinet, Millwork and Finish Carpentry Contractor, C-8 Concrete Contractor, C-9 Drywall Contractor, and C-10 Electrical Contractor. Records show an active surety bond on file with Hartford Fire Insurance Company and active workers' compensation coverage from Insurance Company of the West. The business is based in San Francisco, in San Francisco County, California.

Business Information
Address
3450 Third Street Bldg 1b
San Francisco, CA 94124
License Details & Classifications
Financial & Insurance Coverage
Contractor Bond
Surety
Hartford Fire Insurance Company
Bond Number
57BSBHP1894
Effective
Jan 1, 2023
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
Insurance Company of the West
Policy Number
WPL506692603
Effective
Aug 6, 2025
Expires
Aug 6, 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 Rubecon Builders INC licensed in California?

Yes. Rubecon Builders INC holds California Contractors State License Board license number 734031, which is active and in good standing. The license was first issued on March 21, 1997. It is valid through March 31, 2027.

What does Rubecon Builders INC specialize in?

Rubecon Builders INC is licensed for 7 CSLB classifications: A General Engineering Contractor, B General Building Contractor, C-5 Framing and Rough Carpentry Contractor, C-6 Cabinet, Millwork and Finish Carpentry Contractor, C-8 Concrete Contractor, C-9 Drywall Contractor, and C-10 Electrical Contractor.

Where is Rubecon Builders INC headquartered?

Rubecon Builders INC is headquartered at 3450 Third Street Bldg 1b, San Francisco, CA 94124, in San Francisco County, California.

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

Yes. Rubecon Builders INC has an active California contractor surety bond filed with Hartford Fire Insurance Company.

Does Rubecon Builders INC carry workers' compensation coverage?

Yes. Rubecon Builders INC carries active workers' compensation coverage through Insurance Company of the West.

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

You can verify Rubecon Builders INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=734031.

Activity Timeline
  1. License issuedMar 21, 1997
  2. Bond activeJan 1, 2023
  3. WC coverage startsAug 6, 2025
  4. WC expiresAug 6, 2026
  5. License expiresMar 31, 2027
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California lien & payment resources

Working a California job with Rubecon 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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