Public CSLB records

Aqueduct Plumbing, B General Building Contractor in St Helena, CA

License #380498·Sole Owner·St Helena, Napa County
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Summary

Aqueduct Plumbing operating as a sole owner holds an active California contractor license (CSLB #380498), valid through Aug 31, 2027. First issued in 1979, the license has been on the CSLB roster for 47 years. It carries 2 CSLB classifications: B General Building Contractor and C-36 Plumbing 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 St Helena, in Napa County, California.

Business Information
Address
1722 Vineyard Avenue
St Helena, CA 94574
License Details & Classifications
License Number
380498
Issued
Aug 20, 1979
Status
CLEAR
Expires
Aug 31, 2027
Entity
Sole Owner
Financial & Insurance Coverage
Contractor Bond
Surety
American Contractors Indemnity Company
Bond Number
SC6028733
Effective
Jan 1, 2023
Status
Active
Workers' Compensation
Coverage
Exempt
Carrier
Policy Number
Effective
Jul 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 Aqueduct Plumbing licensed in California?

Yes. Aqueduct Plumbing holds California Contractors State License Board license number 380498, which is active and in good standing. The license was first issued on August 20, 1979. It is valid through August 31, 2027.

What does Aqueduct Plumbing specialize in?

Aqueduct Plumbing is licensed for 2 CSLB classifications: B General Building Contractor and C-36 Plumbing Contractor.

Where is Aqueduct Plumbing headquartered?

Aqueduct Plumbing is headquartered at 1722 Vineyard Avenue, St Helena, CA 94574, in Napa County, California.

Does Aqueduct Plumbing have an active surety bond on file with CSLB?

Yes. Aqueduct Plumbing has an active California contractor surety bond filed with American Contractors Indemnity Company.

Does Aqueduct Plumbing carry workers' compensation coverage?

Aqueduct Plumbing reports an exempt workers' compensation status, meaning the business has no employees on payroll.

How do I verify Aqueduct Plumbing's contractor license?

You can verify Aqueduct Plumbing's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=380498.

Activity Timeline
  1. License issuedAug 20, 1979
  2. Bond activeJan 1, 2023
  3. WC coverage startsJul 5, 2025
  4. License expiresAug 31, 2027
Other contractors in Napa County
California lien & payment resources

Working a California job with Aqueduct Plumbing, 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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