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MASSARO JON ROBERT
General building contractor in Winnetka, Los Angeles County. CA license #408216
B · General Building
- Licensed since
- 198145 years
- Entity
- Sole ownerWinnetka, CA
- License bond
- NoneNot on file
- Workers' comp
- CoveredPolicy through Jun 2027
- Permits, 24 months
- 1Los Angeles permits
- Discipline
- 1 recordOn public record
Trusted by
Permit activity
Source: City of Los Angeles permit records, as ofProject mix, last 24 months
- Grading100%
Permits from City of Los Angeles records.
Recent permits
| Issued | Work | City | Status |
|---|---|---|---|
| Jul 28, 2025 | Grading, single-family home or duplex | Los Angeles | Issued |
| Jun 7, 2024 | Alteration / repair, single-family home or duplex | Los Angeles | Issued |
| Aug 11, 2023 | Plumbing, commercial building | Los Angeles | Finaled |
| Aug 11, 2023 | Electrical, commercial building | Los Angeles | Issued |
| Aug 2, 2023 | Plumbing, apartment building | Los Angeles | Finaled |
12 more permits, addresses and inspection resultsFree with your email. 5 free unlocks a day.
Unlock full historyLicense and compliance history
Source: CSLB public license data
- 1981License issued, B General BuildingIssued Jul 1, 1981. Sole owner.
- 2026Violation, Apr 8, 2026Aided and abetted non-licensee. Source: California CSLB, case 2 2025 001428.
- 2026Workers' comp policy on fileBENCHMARK INSURANCE COMPANY, policy #99WCGC00007126300. Effective Jul 21, 2026. Current through Jun 14, 2027.
- NowLicense expiration on recordJan 31, 2028.
- NowLicense suspended1 record on CSLB public record as of Oct 19, 2026.
Insurance a B contractor usually needs
What owners and GCs typically ask for on residential and light commercial jobs
- Workers' compensationCalifornia requires it as soon as a contractor has employees.Get quotes
- General liabilityOwner contracts commonly ask for $1M per occurrence / $2M aggregate, often with additional insured.Get quotes
- Builder's riskNew homes and major rebuilds need it while the structure is going up; the contract says who buys it.Get quotes
- Commercial autoCovers trucks and the trailer hauling materials to each site.Get quotes
Bonds for California B contractors
All California bondsLos Angeles County
Grading Permit Security Bond
Set by the permit
Issued for work in Los Angeles County.
1%, $100 min
Get this bondPublic work
Bid bond
Often 10% of bid
Submitted with a bid on many California public projects.
Free
Get prequalifiedAfter award
Performance and payment bonds
Up to 100% of contract
California public works over $25,000 require a payment bond.
Quoted per project
Get a quoteBonds are underwritten and issued by our surety partner. Rates depend on the applicant's credit and history.
Questions about MASSARO JON ROBERT
What work can MASSARO JON ROBERT do with a B license?
CSLB records list B (General Building) on this license, so MASSARO JON ROBERT can take general building work.
Does MASSARO JON ROBERT have a contractor license bond?
No. CSLB records show no active contractor license bond as of Oct 19, 2026.
Does MASSARO JON ROBERT carry workers' compensation?
CSLB shows a workers' comp policy on file, current through June 2027. Ask for a certificate of insurance before work starts.
How current is this information?
License, bond and comp data were last checked against CSLB on Oct 19, 2026, and permits come from City of Los Angeles records. We recheck it periodically.
How this profile is built
BLDAssure compiles this profile automatically from public records and refreshes it periodically. We don't accept payment to change any record.
| License, classifications, bond | California Contractors State License Board | Verified Oct 19, 2026 |
|---|---|---|
| Workers' compensation | CSLB workers' comp records | Verified Oct 19, 2026 |
| Permits | City of Los Angeles permit records | As of Nov 6, 2026 |