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Isaac Rion Construction

License #1136338·Sole Owner·Castro Valley, Alameda County
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Summary

Isaac Rion Construction operating as a sole owner is licensed in California under CSLB number 1136338. The license was first issued in 2025, putting the business at 1 year on the active CSLB roster. It carries a single CSLB classification: B — General Building 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 Castro Valley, in Alameda County, California.

Business Information
Address
17038 President Drive
Castro Valley, CA 94546
License Details & Classifications
License Number
1136338
Issued
Apr 22, 2025
Status
CLEAR
Expires
Apr 30, 2027
Entity
Sole Owner
Financial & Insurance Coverage
Contractor Bond
Surety
American Contractors Indemnity Company
Bond Number
100944403
Effective
Mar 22, 2025
Status
Active
Workers' Compensation
Coverage
Exempt
Carrier
—
Policy Number
—
Effective
Apr 15, 2026
Expires
—
Review

This contractor warrants a closer look before contracting:

  • Workers' comp listed as exempt
  • License issued less than 2 years ago
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 Isaac Rion Construction licensed in California?

Yes. Isaac Rion Construction holds California Contractors State License Board license number 1136338. The license was first issued on April 22, 2025. It is valid through April 30, 2027.

What does Isaac Rion Construction specialize in?

Isaac Rion Construction is licensed for one CSLB classification: B General Building Contractor.

Where is Isaac Rion Construction headquartered?

Isaac Rion Construction is headquartered at 17038 President Drive, Castro Valley, CA 94546, in Alameda County, California.

Does Isaac Rion Construction have an active surety bond on file with CSLB?

Yes. Isaac Rion Construction has an active California contractor surety bond filed with American Contractors Indemnity Company.

Does Isaac Rion Construction carry workers' compensation coverage?

Isaac Rion Construction reports an exempt workers' compensation status, meaning the business has no employees on payroll.

How do I verify Isaac Rion Construction's contractor license?

You can verify Isaac Rion Construction's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1136338.

Activity Timeline
  1. Bond activeMar 22, 2025
  2. License issuedApr 22, 2025
  3. WC coverage startsApr 15, 2026
  4. License expiresApr 30, 2027
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