Public CSLB records

Preferred Firestopping INC, C-2 Insulation and Acoustical Contractor in Corona, CA

License #965711·Corporation·Corona, Riverside County
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Summary

Preferred Firestopping INC operating as a corporation holds an active California contractor license (CSLB #965711), valid through Sep 30, 2027. First issued in 2011, the license has been on the CSLB roster for 15 years. It carries 4 CSLB classifications: C-2 Insulation and Acoustical Contractor, C-21 Building Moving / Demolition Contractor, C-61/D-12 Synthetic Products Contractor, and C-61/D-64 Non-specialized Contractor. Records show an active surety bond on file with Western Surety Company and active workers' compensation coverage from Cypress Insurance Company. The business is based in Corona, in Riverside County, California.

Business Information
Address
1691 Jenks Dr
Corona, CA 92878
License Details & Classifications
Financial & Insurance Coverage
Contractor Bond
Surety
Western Surety Company
Bond Number
63199447
Effective
Jan 1, 2023
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
Cypress Insurance Company
Policy Number
PRWC644666
Effective
Oct 1, 2025
Expires
Oct 1, 2026
Verified

This contractor is verified, with no adverse conditions in the current CSLB record.

License StatusActive
Contractor BondOn file
Workers' CompensationActive

An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this

Frequently asked questions
Is Preferred Firestopping INC licensed in California?

Yes. Preferred Firestopping INC holds California Contractors State License Board license number 965711, which is active and in good standing. The license was first issued on September 19, 2011. It is valid through September 30, 2027.

What does Preferred Firestopping INC specialize in?

Preferred Firestopping INC is licensed for 4 CSLB classifications: C-2 Insulation and Acoustical Contractor, C-21 Building Moving / Demolition Contractor, C-61/D-12 Synthetic Products Contractor, and C-61/D-64 Non-specialized Contractor.

Where is Preferred Firestopping INC headquartered?

Preferred Firestopping INC is headquartered at 1691 Jenks Dr, Corona, CA 92878, in Riverside County, California.

Does Preferred Firestopping INC have an active surety bond on file with CSLB?

Yes. Preferred Firestopping INC has an active California contractor surety bond filed with Western Surety Company.

Does Preferred Firestopping INC carry workers' compensation coverage?

Yes. Preferred Firestopping INC carries active workers' compensation coverage through Cypress Insurance Company.

How do I verify Preferred Firestopping INC's contractor license?

You can verify Preferred Firestopping INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=965711.

Activity Timeline
  1. License issuedSep 19, 2011
  2. Bond activeJan 1, 2023
  3. WC coverage startsOct 1, 2025
  4. WC expiresOct 1, 2026
  5. License expiresSep 30, 2027
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California lien & payment resources

Working a California job with Preferred Firestopping INC, or chasing an unpaid invoice? These free tools track your mechanics lien deadlines and rights under California Civil Code §§8200–8848.

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