Public CSLB records

Blue Castle Construction, B General Building Contractor in Danville, CA

License #847494·Corporation·Danville, Contra Costa County
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Summary

Blue Castle Construction operating as a corporation holds an active California contractor license (CSLB #847494), valid through Feb 28, 2027. First issued in 2004, the license has been on the CSLB roster for 22 years. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and an exempt workers' compensation status (no employees on payroll). The business is based in Danville, in Contra Costa County, California.

Business Information
Address
637 Blue Spruce Dr
Danville, CA 94506
License Details & Classifications
License Number
847494
Issued
Sep 24, 2004
Status
CLEAR
Expires
Feb 28, 2027
Entity
Corporation
Financial & Insurance Coverage
Contractor Bond
Surety
American Contractors Indemnity Company
Bond Number
100999591
Effective
Sep 21, 2025
Status
Active
Workers' Compensation
Coverage
Exempt
Carrier
Policy Number
Effective
Mar 5, 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 Blue Castle Construction licensed in California?

Yes. Blue Castle Construction holds California Contractors State License Board license number 847494, which is active and in good standing. The license was first issued on September 24, 2004. It is valid through February 28, 2027.

What does Blue Castle Construction specialize in?

Blue Castle Construction is licensed for one CSLB classification: B General Building Contractor.

Where is Blue Castle Construction headquartered?

Blue Castle Construction is headquartered at 637 Blue Spruce Dr, Danville, CA 94506, in Contra Costa County, California.

Does Blue Castle Construction have an active surety bond on file with CSLB?

Yes. Blue Castle Construction has an active California contractor surety bond filed with American Contractors Indemnity Company.

Does Blue Castle Construction carry workers' compensation coverage?

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

How do I verify Blue Castle Construction's contractor license?

You can verify Blue Castle Construction's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=847494.

Activity Timeline
  1. License issuedSep 24, 2004
  2. WC coverage startsMar 5, 2025
  3. Bond activeSep 21, 2025
  4. License expiresFeb 28, 2027
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California lien & payment resources

Working a California job with Blue Castle Construction, 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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