Public Record · California Contractor

Is Sustainable Buildings System INC licensed, insured & complaint-free in California?

As of August 31, 2026, Sustainable Buildings System INC holds an active California contractor license (CSLB #957809), classification B, and carries an active workers'-compensation policy, with no open enforcement actions on record, according to the California Contractors State License Board (CSLB).

Contractor record · CSLB #957809

Sustainable Buildings System INC

General Building (B) · Oakland, CA
License Active

Active · no open actions

License status is CLEAR with no open enforcement actions on record, per the California Contractors State License Board (CSLB).

As of August 31, 2026CSLB code: CLEARVerify on CSLB
License #
CSLB #957809
Classification
B
General Building (B)
Years licensed
15
since February 16, 2011
Contractor's bond
Lapsed
$25,000
The full dossierRedacted preview
Bond suretywho to file a claim against
Bond number
How to make a bond claim
What “Active · no open actions” means + what to ask
License expiration date
Registered business entity & contact
Dated certificate PDF — emailed with your receipt

Unlock every field above for Sustainable Buildings System 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.

$9 · instant PDF · emailed with receipt

Principals on record · CSLB

PHUA LIANG H| PHUA BILL LIANGResponsible Managing Officer/Chief Executive Officer/President
LEE LINLIOfficer

Workers’ compensation · CSLB

Workers' Compensation Insurance
Carrier
MIDWEST INSURANCE COMPANY DBA ILLINOIS MIDWEST INSURANCE COMPANY
Policy
0101WP106937401
Effective
March 15, 2026
Expires
March 15, 2027

What this record means

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 #957809 on the official CSLB site. This page is current as of August 31, 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 B covers

CSLB #957809 is classified General Building (B). 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 Sustainable Buildings System INC licensed in California?

Yes. As of August 31, 2026, the California Contractors State License Board (CSLB) lists Sustainable Buildings System INC with an active contractor license, CSLB #957809 (classification B), in a CLEAR status.

Is Sustainable Buildings System INC insured?

As of August 31, 2026, the California Contractors State License Board (CSLB) shows an active workers'-compensation policy on file for CSLB #957809. This covers workers' comp; it does not by itself confirm general-liability coverage, which the CSLB does not track.

Does Sustainable Buildings System INC have complaints or violations?

As of August 31, 2026, the California Contractors State License Board (CSLB) shows no open enforcement actions, citations, or disciplinary bonds on record for CSLB #957809. The CSLB is the authoritative source for complaint history.

Who runs Sustainable Buildings System INC?

The California Contractors State License Board (CSLB) lists 2 principals on record for CSLB #957809, shown by name and title in the personnel section below.

Is Sustainable Buildings System INC bonded?

The California Contractors State License Board (CSLB) shows the contractor's bond for CSLB #957809 as lapsed or cancelled as of August 31, 2026. Verify the current bond status on the official CSLB record.

How long has Sustainable Buildings System INC been licensed?

The California Contractors State License Board (CSLB) shows CSLB #957809 was first issued on February 16, 2011, about 15 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 August 31, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.