Public CSLB records

Massaro Jon Robert, B General Building Contractor in Winnetka, CA

License #408216·Sole Owner·Winnetka, Los Angeles County
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Summary

Massaro Jon Robert operating as a sole owner holds an active California contractor license (CSLB #408216), valid through Jan 31, 2028. First issued in 1981, the license has been on the CSLB roster for 45 years. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with North River Insurance Company (the) and a previously-filed workers' compensation policy with Benchmark Insurance Company that is no longer active. The business is based in Winnetka, in Los Angeles County, California.

Business Information
Address
8335 Winnetka Avenue
Winnetka, CA 91306
License Details & Classifications
License Number
408216
Issued
Jul 1, 1981
Status
CLEAR
Expires
Jan 31, 2028
Entity
Sole Owner
Financial & Insurance Coverage
Contractor Bond
Surety
North River Insurance Company (the)
Bond Number
04CF624623
Effective
Jan 15, 2024
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
Benchmark Insurance Company
Policy Number
99WC0000488900
Effective
Jun 14, 2025
Expires
Jun 14, 2026
Alert

This contractor has a compliance issue in its public CSLB record:

  • No active workers' comp on file
License StatusActive
Contractor BondOn file
Workers' CompensationInactive

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

Frequently asked questions
Is Massaro Jon Robert licensed in California?

Yes. Massaro Jon Robert holds California Contractors State License Board license number 408216, which is active and in good standing. The license was first issued on July 1, 1981. It is valid through January 31, 2028.

What does Massaro Jon Robert specialize in?

Massaro Jon Robert is licensed for one CSLB classification: B General Building Contractor.

Where is Massaro Jon Robert headquartered?

Massaro Jon Robert is headquartered at 8335 Winnetka Avenue, Winnetka, CA 91306, in Los Angeles County, California.

Does Massaro Jon Robert have an active surety bond on file with CSLB?

Yes. Massaro Jon Robert has an active California contractor surety bond filed with North River Insurance Company (the).

Does Massaro Jon Robert carry workers' compensation coverage?

Massaro Jon Robert has a previously-filed workers' compensation policy with Benchmark Insurance Company that is no longer active.

How do I verify Massaro Jon Robert's contractor license?

You can verify Massaro Jon Robert's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=408216.

Activity Timeline
  1. License issuedJul 1, 1981
  2. Bond activeJan 15, 2024
  3. WC coverage startsJun 14, 2025
  4. WC expiredJun 14, 2026
  5. License expiresJan 31, 2028
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California lien & payment resources

Working a California job with Massaro Jon Robert, 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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