Contractor License Proof

Preferred Firestopping Inc

Licensed

Verified against CSLB on · View on CSLB

License details

License number
965711
Status
Active
Classifications
C-2 · Insulation and AcousticalC-21 · Building Moving/DemolitionD-12 · Synthetic ProductsD-64 · Non-specialized
Contractor bond
$25,000
Workers' comp
Covered
License term on file
September 19, 2011 – September 30, 2027

Business

  • (951) 735 3725 (CSLB public record)
  • 1691 JENKS DR, Corona, CA 92878Riverside County

Are you Preferred Firestopping Inc? 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 Preferred Firestopping Inc licensed in California?

Yes. Preferred Firestopping Inc holds an active California state contractor license (CSLB #965711), verified against the CSLB public record on June 17, 2026.

What is Preferred Firestopping Inc's CSLB license number?

Preferred Firestopping Inc's California contractor license number is 965711. You can verify it directly on the CSLB website: https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=965711

What kind of work is Preferred Firestopping Inc licensed for?

Preferred Firestopping Inc is classified under Insulation and Acoustical (C-2) by the CSLB.

How do I verify Preferred Firestopping Inc's license myself?

Look up license #965711 with the CSLB "Check a License" tool at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=965711. 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.