Public CSLB records

Berryessa Electronics & Mechanical Services, A General Engineering Contractor in Napa, CA

License #537372·Sole Owner·Napa, Napa County
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Summary

Berryessa Electronics & Mechanical Services operating as a sole owner holds an active California contractor license (CSLB #537372), valid through Aug 31, 2026. First issued in 1988, the license has been on the CSLB roster for 38 years. It carries 5 CSLB classifications: A General Engineering Contractor, B General Building Contractor, C-10 Electrical Contractor, C-20 HVAC Contractor, and C-38 Refrigeration Contractor. Records show an active surety bond on file with Western Surety Company and active workers' compensation coverage from American Casualty Company of Reading PA. The business is based in Napa, in Napa County, California.

Business Information
Address
4101 Knoxville Unit 9251
Napa, CA 94558
License Details & Classifications
License Number
537372
Issued
Aug 6, 1988
Status
CLEAR
Expires
Aug 31, 2026
Entity
Sole Owner
Financial & Insurance Coverage
Contractor Bond
Surety
Western Surety Company
Bond Number
67412067
Effective
Jul 31, 2025
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
American Casualty Company of Reading PA
Policy Number
WC835787549
Effective
Feb 1, 2026
Expires
Feb 1, 2027
Review

This contractor warrants a closer look before contracting:

  • License expires in 64 days
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 Berryessa Electronics & Mechanical Services licensed in California?

Yes. Berryessa Electronics & Mechanical Services holds California Contractors State License Board license number 537372, which is active and in good standing. The license was first issued on August 6, 1988. It is valid through August 31, 2026.

What does Berryessa Electronics & Mechanical Services specialize in?

Berryessa Electronics & Mechanical Services is licensed for 5 CSLB classifications: A General Engineering Contractor, B General Building Contractor, C-10 Electrical Contractor, C-20 HVAC Contractor, and C-38 Refrigeration Contractor.

Where is Berryessa Electronics & Mechanical Services headquartered?

Berryessa Electronics & Mechanical Services is headquartered at 4101 Knoxville Unit 9251, Napa, CA 94558, in Napa County, California.

Does Berryessa Electronics & Mechanical Services have an active surety bond on file with CSLB?

Yes. Berryessa Electronics & Mechanical Services has an active California contractor surety bond filed with Western Surety Company.

Does Berryessa Electronics & Mechanical Services carry workers' compensation coverage?

Yes. Berryessa Electronics & Mechanical Services carries active workers' compensation coverage through American Casualty Company of Reading PA.

How do I verify Berryessa Electronics & Mechanical Services's contractor license?

You can verify Berryessa Electronics & Mechanical Services's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=537372.

Activity Timeline
  1. License issuedAug 6, 1988
  2. Bond activeJul 31, 2025
  3. WC coverage startsFeb 1, 2026
  4. License expiresAug 31, 2026
  5. WC expiresFeb 1, 2027
Other contractors in Napa County
California lien & payment resources

Working a California job with Berryessa Electronics & Mechanical Services, 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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