Public CSLB records

Hamilton Exteriors

License #1078806·Corporation·Castro Valley, Alameda County
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Summary

Hamilton Exteriors operating as a corporation is licensed in California under CSLB number 1078806. The license was first issued in 2021, putting the business at 5 years on the active CSLB roster. It carries 5 CSLB classifications: B General Building Contractor, C-10 Electrical Contractor, C-27 Landscaping Contractor, C-46 Solar Contractor, and C-61/D-35 Pool and Spa Maintenance Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and active workers' compensation coverage from Great American Insurance Company. The business is based in Castro Valley, in Alameda County, California.

Business Information
Address
21634 Redwood Rd,unit F
Castro Valley, CA 94546
License Details & Classifications
Financial & Insurance Coverage
Contractor Bond
Surety
American Contractors Indemnity Company
Bond Number
101017707
Effective
Dec 3, 2025
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
Great American Insurance Company
Policy Number
WCF35750000
Effective
Jun 30, 2025
Expires
Jun 30, 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 Hamilton Exteriors licensed in California?

Yes. Hamilton Exteriors holds California Contractors State License Board license number 1078806. The license was first issued on July 26, 2021. It is valid through July 31, 2027.

What does Hamilton Exteriors specialize in?

Hamilton Exteriors is licensed for 5 CSLB classifications: B General Building Contractor, C-10 Electrical Contractor, C-27 Landscaping Contractor, C-46 Solar Contractor, and C-61/D-35 Pool and Spa Maintenance Contractor.

Where is Hamilton Exteriors headquartered?

Hamilton Exteriors is headquartered at 21634 Redwood Rd,unit F, Castro Valley, CA 94546, in Alameda County, California.

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

Yes. Hamilton Exteriors has an active California contractor surety bond filed with American Contractors Indemnity Company.

Does Hamilton Exteriors carry workers' compensation coverage?

Yes. Hamilton Exteriors carries active workers' compensation coverage through Great American Insurance Company.

How do I verify Hamilton Exteriors's contractor license?

You can verify Hamilton Exteriors's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1078806.

Activity Timeline
  1. License issuedJul 26, 2021
  2. WC coverage startsJun 30, 2025
  3. Bond activeDec 3, 2025
  4. WC expiresJun 30, 2026
  5. License expiresJul 31, 2027
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