Public CSLB records

Castillo Bay Builders LLC, B General Building Contractor in Oakland, CA

License #1084513·Limited Liability·Oakland, Alameda County
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Summary

Castillo Bay Builders LLC operating as a limited liability holds an active California contractor license (CSLB #1084513), valid through Dec 31, 2027. First issued in 2021, the license has been on the CSLB roster for 5 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Indemnity Company and a previously-filed workers' compensation policy with Norguard Insurance Company that is no longer active. The business is based in Oakland, in Alameda County, California.

Business Information
Address
3770 Malcolm Ave
Oakland, CA 94605
License Details & Classifications
License Number
1084513
Issued
Dec 3, 2021
Status
CLEAR
Expires
Dec 31, 2027
Entity
Limited Liability
Financial & Insurance Coverage
Contractor Bond
Surety
American Contractors Indemnity Company
Bond Number
100621902
Effective
Jan 1, 2023
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
Norguard Insurance Company
Policy Number
CAWC692778
Effective
May 23, 2025
Expires
May 23, 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 Castillo Bay Builders LLC licensed in California?

Yes. Castillo Bay Builders LLC holds California Contractors State License Board license number 1084513, which is active and in good standing. The license was first issued on December 3, 2021. It is valid through December 31, 2027.

What does Castillo Bay Builders LLC specialize in?

Castillo Bay Builders LLC is licensed for one CSLB classification: B General Building Contractor.

Where is Castillo Bay Builders LLC headquartered?

Castillo Bay Builders LLC is headquartered at 3770 Malcolm Ave, Oakland, CA 94605, in Alameda County, California.

Does Castillo Bay Builders LLC have an active surety bond on file with CSLB?

Yes. Castillo Bay Builders LLC has an active California contractor surety bond filed with American Contractors Indemnity Company.

Does Castillo Bay Builders LLC carry workers' compensation coverage?

Castillo Bay Builders LLC has a previously-filed workers' compensation policy with Norguard Insurance Company that is no longer active.

How do I verify Castillo Bay Builders LLC's contractor license?

You can verify Castillo Bay Builders LLC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1084513.

Activity Timeline
  1. License issuedDec 3, 2021
  2. Bond activeJan 1, 2023
  3. WC coverage startsMay 23, 2025
  4. WC expiredMay 23, 2026
  5. License expiresDec 31, 2027
Other contractors in Alameda County
California lien & payment resources

Working a California job with Castillo Bay Builders LLC, 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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