Contractor License Proof

Ashton Backflow Service

Licensed

Verified against CSLB on · View on CSLB

License details

License number
890414
Status
Active
Classifications
C-36 · Plumbing
Contractor bond
$25,000
Workers' comp
Exempt
License term on file
January 30, 2007 – January 31, 2027

Business

  • (619) 339 7631 (CSLB public record)
  • 305 E AVENUE, National City, CA 91950San Diego County

Are you Ashton Backflow Service? 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 Ashton Backflow Service licensed in California?

Yes. Ashton Backflow Service holds an active California state contractor license (CSLB #890414), verified against the CSLB public record on June 17, 2026.

What is Ashton Backflow Service's CSLB license number?

Ashton Backflow Service's California contractor license number is 890414. You can verify it directly on the CSLB website: https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=890414

What kind of work is Ashton Backflow Service licensed for?

Ashton Backflow Service is classified under Plumbing (C-36) by the CSLB.

How do I verify Ashton Backflow Service's license myself?

Look up license #890414 with the CSLB "Check a License" tool at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=890414. 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.