Contractor License Proof

Porter Robert J Const

Licensed

Verified against CSLB on · View on CSLB

License details

License number
620533
Status
Active
Classifications
B · General Building
Contractor bond
$25,000
Workers' comp
Exempt
License term on file
May 22, 1991 – April 30, 2027

Business

  • (209) 986 1622 (CSLB public record)
  • 5900 STARBOARD DRIVE, Byron, CA 94505Contra Costa County

Are you Porter Robert J Const? 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.

Frequently asked questions

Is Porter Robert J Const licensed in California?

Yes. Porter Robert J Const holds an active California state contractor license (CSLB #620533), verified against the CSLB public record on June 17, 2026.

What is Porter Robert J Const's CSLB license number?

Porter Robert J Const's California contractor license number is 620533. You can verify it directly on the CSLB website: https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=620533

What kind of work is Porter Robert J Const licensed for?

Porter Robert J Const is classified under General Building (B) by the CSLB.

How do I verify Porter Robert J Const's license myself?

Look up license #620533 with the CSLB "Check a License" tool at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=620533. This page reflects the CSLB public record as of June 17, 2026.

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