Public Record · California Contractor

Is Keystone D C S INC licensed, insured & complaint-free in California?

The California Contractors State License Board (CSLB) lists Keystone D C S INC's contractor license (CSLB #1013293) with the status "Contr Bond Susp" as of October 6, 2026. The classification on record is A.

Contractor record · CSLB #1013293

Keystone D C S INC

General Engineering (A) · Fountain Valley, 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 6, 2026CSLB code: Contr Bond SuspVerify on CSLB
License #
CSLB #1013293
Classification
A
General Engineering (A)
Years licensed
10
since April 27, 2016
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
All 2 classifications held
Registered business entity & contact
Dated certificate PDF — emailed with your receipt

Unlock every field above for Keystone D C S INC — 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

PHAM ADAM PHUONGResponsible Managing Officer
PHAM THANH HUYResponsible Managing Officer
NGUYEN DAVID DAIChief Executive Officer/President · Responsible Managing Officer/Chief Executive Officer/President
1 more principal on record

Workers’ compensation · CSLB

Workers' Compensation Insurance
Carrier
EVEREST PREMIER INSURANCE COMPANY
Policy
7600028044261
Effective
April 21, 2026
Expires
April 21, 2027

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 #1013293 on the official CSLB site. This page is current as of October 6, 2026; the CSLB record is updated continuously.

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 A covers

CSLB #1013293 is classified General Engineering (A). 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 Keystone D C S INC licensed in California?

The California Contractors State License Board (CSLB) lists Keystone D C S INC's license, CSLB #1013293, with the status "Contr Bond Susp" as of October 6, 2026. A non-CLEAR status means the license is not in good standing; check the official CSLB record for the current detail.

Is Keystone D C S INC insured?

As of October 6, 2026, the California Contractors State License Board (CSLB) shows an active workers'-compensation policy on file for CSLB #1013293. This covers workers' comp; it does not by itself confirm general-liability coverage, which the CSLB does not track.

Does Keystone D C S INC have complaints or violations?

As of October 6, 2026, the California Contractors State License Board (CSLB) lists CSLB #1013293 with the status "Contr Bond Susp". The details, including any underlying citation or judgment, are on the official CSLB record.

Who runs Keystone D C S INC?

The California Contractors State License Board (CSLB) lists 4 principals on record for CSLB #1013293, shown by name and title in the personnel section below.

Is Keystone D C S INC bonded?

The California Contractors State License Board (CSLB) shows the contractor's bond for CSLB #1013293 as lapsed or cancelled as of October 6, 2026. Verify the current bond status on the official CSLB record.

How long has Keystone D C S INC been licensed?

The California Contractors State License Board (CSLB) shows CSLB #1013293 was first issued on April 27, 2016, about 10 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 6, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.