Contractor License Proof

Isaac Rion Construction

Licensed

Verified against CSLB on · View on CSLB

License details

License number
1136338
Status
Active
Classifications
B · General Building
Contractor bond
$25,000
Workers' comp
ExemptNo employees — not a red flag.
License term on file
April 22, 2025 – April 30, 2027

Business

  • (925) 519 6615 (CSLB public record)
  • 17038 PRESIDENT DRIVE, Castro Valley, CA 94546Alameda County

Are you Isaac Rion Construction? Claim this listing to manage it.

Claim this listing

Request a free quote

Tell us about your project and we'll connect you with licensed, verified California contractors.

By submitting, you agree we may share your request with relevant licensed contractors to help with your project. See our Privacy Policy.

Other General Building contractors in Castro Valley

New Generation Construction & Remodeling Inc

B · Castro Valley, CA

Licensed

Verified June 17, 2026 · Bonded

HB Construction Services Inc

B · Castro Valley, CA

Licensed

Verified June 17, 2026 · Bonded

Baek Construction

B · Castro Valley, CA

Licensed

Verified June 17, 2026 · Bonded

Buchmann Inc

B · Castro Valley, CA

Licensed

Verified June 17, 2026 · Bonded

R A Custom Siding

B · Castro Valley, CA

Licensed

Verified June 17, 2026 · Bonded

G X Construction Co

B · Castro Valley, CA

Licensed

Verified June 17, 2026 · Bonded

Browse all General Building contractors in Castro Valley

What to check next

How to verify a California contractor licenseRed flags when hiring a contractorLicensed vs. bonded vs. insured — what's the difference?Risks of hiring an unlicensed contractor

Frequently asked questions

Is Isaac Rion Construction licensed in California?

Yes. Isaac Rion Construction holds an active California state contractor license (CSLB #1136338), verified against the CSLB public record on June 17, 2026.

What is Isaac Rion Construction's CSLB license number?

Isaac Rion Construction's California contractor license number is 1136338. Look that number up with the CSLB "Check a License" tool to confirm its current status against the public record yourself.

What kind of work is Isaac Rion Construction licensed for?

Isaac Rion Construction is classified under General Building (B) by the CSLB.

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

Look up license #1136338 with the CSLB "Check a License" tool and compare the status, bond, and workers' compensation details against what's shown on this page. This page reflects the CSLB public record as of June 17, 2026.

Verify it yourself: How to verify a California contractor license · Look up #1136338 on CSLB

Checking more than one contractor? Verify another license.Verify a license

See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.