Public CSLB records

Jsb Mechanical, C-20 HVAC Contractor in Newark, CA

License #251305·Sole Owner·Newark, Alameda County
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Summary

Jsb Mechanical operating as a sole owner holds an active California contractor license (CSLB #251305), valid through Sep 30, 2026. First issued in 1968, the license has been on the CSLB roster for 58 years. It carries a single CSLB classification: C-20 — HVAC Contractor. Records show an active surety bond on file with Western Surety Company and active workers' compensation coverage from Great American Alliance Insurance Company. The business is based in Newark, in Alameda County, California.

Business Information
Address
5219 Edgewater Drive
Newark, CA 94560
License Details & Classifications
License Number
251305
Issued
Jan 9, 1968
Status
CLEAR
Expires
Sep 30, 2026
Entity
Sole Owner
Classifications
Financial & Insurance Coverage
Contractor Bond
Surety
Western Surety Company
Bond Number
67158762
Effective
Sep 13, 2024
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
Great American Alliance Insurance Company
Policy Number
WCF21862101
Effective
Jul 12, 2025
Expires
Jul 12, 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 Jsb Mechanical licensed in California?

Yes. Jsb Mechanical holds California Contractors State License Board license number 251305, which is active and in good standing. The license was first issued on January 9, 1968. It is valid through September 30, 2026.

What does Jsb Mechanical specialize in?

Jsb Mechanical is licensed for one CSLB classification: C-20 HVAC Contractor.

Where is Jsb Mechanical headquartered?

Jsb Mechanical is headquartered at 5219 Edgewater Drive, Newark, CA 94560, in Alameda County, California.

Does Jsb Mechanical have an active surety bond on file with CSLB?

Yes. Jsb Mechanical has an active California contractor surety bond filed with Western Surety Company.

Does Jsb Mechanical carry workers' compensation coverage?

Yes. Jsb Mechanical carries active workers' compensation coverage through Great American Alliance Insurance Company.

How do I verify Jsb Mechanical's contractor license?

You can verify Jsb Mechanical's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=251305.

Activity Timeline
  1. License issuedJan 9, 1968
  2. Bond activeSep 13, 2024
  3. WC coverage startsJul 12, 2025
  4. WC expiresJul 12, 2026
  5. License expiresSep 30, 2026
Other contractors in Alameda County
California lien & payment resources

Working a California job with Jsb Mechanical, 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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