Public Record · California Contractor

Is John William Cotsis licensed, insured & complaint-free in California?

The California Contractors State License Board (CSLB) lists John William Cotsis's contractor license (CSLB #579825) with the status "Contr Bond Susp" as of October 21, 2026. The classification on record is C10.

Contractor record · CSLB #579825

John William Cotsis

Electrical (C-10) · Palmdale, CA
Not Active

Not in good standing

This license is not active or in good standing, per the California Contractors State License Board (CSLB).

Why: Suspended over a contractor's bond issue.

As of October 21, 2026CSLB code: Contr Bond SuspVerify on CSLB
License #
CSLB #579825
Classification
C10
Electrical (C-10)
Years licensed
36
since October 25, 1989
Contractor's bond
Lapsed
$25,000
The full dossierRedacted preview
Bond surety — who to file a claim against
Bond number
How to make a bond claim
What “Not in good standing” means + what to ask
License expiration date
Registered business entity & contact
Dated certificate PDF — emailed with your receipt

Unlock every field above for John William Cotsis — including who to file a claim against the $25,000 bond. Delivered as a dated certificate PDF, emailed with your receipt. Public records, not a background check.

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Principals on record · CSLB

COTSIS JOHN WILLIAMSole Owner

Workers’ compensation · CSLB

Exempt
Effective
October 17, 2025

What this record means

What "Contr Bond Susp" means

A bond-related suspension means the CSLB records an issue with a required bond on file. The license is not in good standing until it is resolved. The CSLB record shows the current detail and any path to reinstatement.

How to verify this yourself

Every fact on this page comes from the California Contractors State License Board (CSLB). You can confirm it directly: look up CSLB license #579825 on the official CSLB site. This page is current as of October 21, 2026; the CSLB record is updated continuously.

What "workers'-comp exempt" means

A contractor with no employees can file a workers'-comp exemption with the CSLB. It is a normal, filed status — not a lapse — but it means there may be no workers'-comp coverage if the contractor brings on help. Confirm coverage before work that involves a crew.

What this record does and does not tell you

The California Contractors State License Board (CSLB) tracks license status, classification, bond, and workers'-comp. It does not rate work quality, track general-liability insurance, or collect customer reviews. Use it to confirm the license is real and in good standing, then check references and a written contract separately.

What classification C10 covers

CSLB #579825 is classified Electrical (C-10). A California contractor is licensed only for the classifications on record; work outside them may fall outside the license. The full classification list is on the official CSLB record.

Common questions

Is John William Cotsis licensed in California?

The California Contractors State License Board (CSLB) lists John William Cotsis's license, CSLB #579825, with the status "Contr Bond Susp" as of October 21, 2026. A non-CLEAR status means the license is not in good standing; check the official CSLB record for the current detail.

Is John William Cotsis insured?

The California Contractors State License Board (CSLB) records John William Cotsis as workers'-comp exempt as of October 21, 2026 — typically a sole owner with no employees. An exemption is a filed declaration, not a lapse.

Does John William Cotsis have complaints or violations?

As of October 21, 2026, the California Contractors State License Board (CSLB) lists CSLB #579825 with the status "Contr Bond Susp". The details, including any underlying citation or judgment, are on the official CSLB record.

Who runs John William Cotsis?

The California Contractors State License Board (CSLB) lists John William Cotsis as a sole-owner or single-principal license (CSLB #579825). The named principal is shown in the personnel section below, as recorded by the CSLB.

Is John William Cotsis bonded?

The California Contractors State License Board (CSLB) shows the contractor's bond for CSLB #579825 as lapsed or cancelled as of October 21, 2026. Verify the current bond status on the official CSLB record.

How long has John William Cotsis been licensed?

The California Contractors State License Board (CSLB) shows CSLB #579825 was first issued on October 25, 1989, about 36 years ago.

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This record compiles California Contractors State License Board (CSLB) data — license, insurance, principals, and enforcement — that CSLB publishes across separate pages, current as of October 21, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.