Public CSLB records

Brown System Installation (bsi), C-7 Low Voltage Systems Contractor in Antioch, CA

License #986317·Sole Owner·Antioch, Contra Costa County
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Summary

Brown System Installation (bsi) operating as a sole owner holds an active California contractor license (CSLB #986317), valid through Aug 31, 2027. First issued in 2013, the license has been on the CSLB roster for 13 years. It carries a single CSLB classification: C-7 — Low Voltage Systems Contractor. Records show an active surety bond on file with Business Alliance Insurance Company and a previously-filed workers' compensation policy with National Casualty Company that is no longer active. The business is based in Antioch, in Contra Costa County, California.

Business Information
Address
1961 Hull Mountain Court
Antioch, CA 94531
License Details & Classifications
License Number
986317
Issued
Aug 24, 2013
Status
CLEAR
Expires
Aug 31, 2027
Entity
Sole Owner
Financial & Insurance Coverage
Contractor Bond
Surety
Business Alliance Insurance Company
Bond Number
G60627060324
Effective
Jan 1, 2023
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
National Casualty Company
Policy Number
WCC345091A
Effective
Jun 15, 2025
Expires
Jun 15, 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 Brown System Installation (bsi) licensed in California?

Yes. Brown System Installation (bsi) holds California Contractors State License Board license number 986317, which is active and in good standing. The license was first issued on August 24, 2013. It is valid through August 31, 2027.

What does Brown System Installation (bsi) specialize in?

Brown System Installation (bsi) is licensed for one CSLB classification: C-7 Low Voltage Systems Contractor.

Where is Brown System Installation (bsi) headquartered?

Brown System Installation (bsi) is headquartered at 1961 Hull Mountain Court, Antioch, CA 94531, in Contra Costa County, California.

Does Brown System Installation (bsi) have an active surety bond on file with CSLB?

Yes. Brown System Installation (bsi) has an active California contractor surety bond filed with Business Alliance Insurance Company.

Does Brown System Installation (bsi) carry workers' compensation coverage?

Brown System Installation (bsi) has a previously-filed workers' compensation policy with National Casualty Company that is no longer active.

How do I verify Brown System Installation (bsi)'s contractor license?

You can verify Brown System Installation (bsi)'s license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=986317.

Activity Timeline
  1. License issuedAug 24, 2013
  2. Bond activeJan 1, 2023
  3. WC coverage startsJun 15, 2025
  4. WC expiredJun 15, 2026
  5. License expiresAug 31, 2027
Other contractors in Contra Costa County
California lien & payment resources

Working a California job with Brown System Installation (bsi), 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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