Public CSLB records

Hamilton Douglas A, B General Building Contractor in Angwin, CA

License #351044·Sole Owner·Angwin, Napa County
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Summary

Hamilton Douglas A operating as a sole owner holds an active California contractor license (CSLB #351044), valid through Aug 31, 2027. First issued in 1978, the license has been on the CSLB roster for 48 years. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with Merchants Bonding Company (mutual) and an exempt workers' compensation status (no employees on payroll). The business is based in Angwin, in Napa County, California.

Business Information
Address
1777 Howell Mtn Rd
Angwin, CA 94508
License Details & Classifications
License Number
351044
Issued
Jan 27, 1978
Status
CLEAR
Expires
Aug 31, 2027
Entity
Sole Owner
Financial & Insurance Coverage
Contractor Bond
Surety
Merchants Bonding Company (mutual)
Bond Number
100133028
Effective
Jun 30, 2023
Status
Active
Workers' Compensation
Coverage
Exempt
Carrier
Policy Number
Effective
Sep 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 Hamilton Douglas A licensed in California?

Yes. Hamilton Douglas A holds California Contractors State License Board license number 351044, which is active and in good standing. The license was first issued on January 27, 1978. It is valid through August 31, 2027.

What does Hamilton Douglas A specialize in?

Hamilton Douglas A is licensed for one CSLB classification: B General Building Contractor.

Where is Hamilton Douglas A headquartered?

Hamilton Douglas A is headquartered at 1777 Howell Mtn Rd, Angwin, CA 94508, in Napa County, California.

Does Hamilton Douglas A have an active surety bond on file with CSLB?

Yes. Hamilton Douglas A has an active California contractor surety bond filed with Merchants Bonding Company (mutual).

Does Hamilton Douglas A carry workers' compensation coverage?

Hamilton Douglas A reports an exempt workers' compensation status, meaning the business has no employees on payroll.

How do I verify Hamilton Douglas A's contractor license?

You can verify Hamilton Douglas A's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=351044.

Activity Timeline
  1. License issuedJan 27, 1978
  2. Bond activeJun 30, 2023
  3. WC coverage startsSep 5, 2025
  4. License expiresAug 31, 2027
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California lien & payment resources

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