Isaac Rion Construction, B General Building Contractor in Castro Valley, CA
Isaac Rion Construction operating as a sole owner holds an active California contractor license (CSLB #1136338), valid through Apr 30, 2027. First issued in 2025, the license has been on the CSLB roster for 1 year. 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.
- License Number
- 1136338
- Issued
- Apr 22, 2025
- Status
- CLEAR
- Expires
- Apr 30, 2027
- Entity
- Sole Owner
- Surety
- American Contractors Indemnity Company
- Bond Number
- 100944403
- Effective
- Mar 22, 2025
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Apr 15, 2026
- Expires
- —
Recently licensed: the CSLB license is active and in good standing, issued within the last 2 years.
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Isaac Rion Construction licensed in California?
Yes. Isaac Rion Construction holds California Contractors State License Board license number 1136338, which is active and in good standing. 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.
- Bond activeMar 22, 2025
- License issuedApr 22, 2025
- WC coverage startsApr 15, 2026
- License expiresApr 30, 2027
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