Public CSLB records

Proline Filtration INC, C-55 Water Conditioning Contractor in Simi Valley, CA

License #853383·Corporation·Simi Valley, Ventura County
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Summary

Proline Filtration INC operating as a corporation holds an active California contractor license (CSLB #853383), valid through Apr 30, 2027. First issued in 2005, the license has been on the CSLB roster for 21 years. It carries a single CSLB classification: C-55 — Water Conditioning Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and active workers' compensation coverage from Security National Insurance Company. The business is based in Simi Valley, in Ventura County, California.

Business Information
Address
Po Box 1192
Simi Valley, CA 93062
License Details & Classifications
License Number
853383
Issued
Jan 21, 2005
Status
CLEAR
Expires
Apr 30, 2027
Entity
Corporation
Financial & Insurance Coverage
Contractor Bond
Surety
American Contractors Indemnity Company
Bond Number
100339796
Effective
Jan 1, 2023
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
Security National Insurance Company
Policy Number
SNS1617725
Effective
Feb 18, 2026
Expires
Feb 18, 2027
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 Proline Filtration INC licensed in California?

Yes. Proline Filtration INC holds California Contractors State License Board license number 853383, which is active and in good standing. The license was first issued on January 21, 2005. It is valid through April 30, 2027.

What does Proline Filtration INC specialize in?

Proline Filtration INC is licensed for one CSLB classification: C-55 Water Conditioning Contractor.

Where is Proline Filtration INC headquartered?

Proline Filtration INC is headquartered at Po Box 1192, Simi Valley, CA 93062, in Ventura County, California.

Does Proline Filtration INC have an active surety bond on file with CSLB?

Yes. Proline Filtration INC has an active California contractor surety bond filed with American Contractors Indemnity Company.

Does Proline Filtration INC carry workers' compensation coverage?

Yes. Proline Filtration INC carries active workers' compensation coverage through Security National Insurance Company.

How do I verify Proline Filtration INC's contractor license?

You can verify Proline Filtration INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=853383.

Activity Timeline
  1. License issuedJan 21, 2005
  2. Bond activeJan 1, 2023
  3. WC coverage startsFeb 18, 2026
  4. WC expiresFeb 18, 2027
  5. License expiresApr 30, 2027
Other contractors in Ventura County
California lien & payment resources

Working a California job with Proline Filtration 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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