Public CSLB records

Castlewood Construction Company, B General Building Contractor in San Martin, CA

License #287687·Sole Owner·San Martin, Santa Clara County
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Summary

Castlewood Construction Company operating as a sole owner holds an active California contractor license (CSLB #287687), valid through Nov 30, 2027. First issued in 1973, the license has been on the CSLB roster for 53 years. It carries 4 CSLB classifications: B General Building Contractor, C-35 Lathing and Plastering Contractor, C-38 Refrigeration Contractor, and C-43 Sheet Metal Contractor. Records show an active surety bond on file with Ohio Casualty Insurance Company (the) and an exempt workers' compensation status (no employees on payroll). The business is based in San Martin, in Santa Clara County, California.

Business Information
Address
835 West San Martin Ave
San Martin, CA 95046
License Details & Classifications
License Number
287687
Issued
Oct 5, 1973
Status
CLEAR
Expires
Nov 30, 2027
Entity
Sole Owner
Financial & Insurance Coverage
Contractor Bond
Surety
Ohio Casualty Insurance Company (the)
Bond Number
365588C
Effective
Jan 1, 2023
Status
Active
Workers' Compensation
Coverage
Exempt
Carrier
Policy Number
Effective
Nov 24, 2025
Expires
Review

This contractor warrants a closer look before contracting:

  • Workers' comp listed as exempt
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 Castlewood Construction Company licensed in California?

Yes. Castlewood Construction Company holds California Contractors State License Board license number 287687, which is active and in good standing. The license was first issued on October 5, 1973. It is valid through November 30, 2027.

What does Castlewood Construction Company specialize in?

Castlewood Construction Company is licensed for 4 CSLB classifications: B General Building Contractor, C-35 Lathing and Plastering Contractor, C-38 Refrigeration Contractor, and C-43 Sheet Metal Contractor.

Where is Castlewood Construction Company headquartered?

Castlewood Construction Company is headquartered at 835 West San Martin Ave, San Martin, CA 95046, in Santa Clara County, California.

Does Castlewood Construction Company have an active surety bond on file with CSLB?

Yes. Castlewood Construction Company has an active California contractor surety bond filed with Ohio Casualty Insurance Company (the).

Does Castlewood Construction Company carry workers' compensation coverage?

Castlewood Construction Company reports an exempt workers' compensation status, meaning the business has no employees on payroll.

How do I verify Castlewood Construction Company's contractor license?

You can verify Castlewood Construction Company's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=287687.

Activity Timeline
  1. License issuedOct 5, 1973
  2. Bond activeJan 1, 2023
  3. WC coverage startsNov 24, 2025
  4. License expiresNov 30, 2027
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California lien & payment resources

Working a California job with Castlewood Construction Company, 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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