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AT BUILDING SYSTEMS INC

License #1158256West CovinaCorporationLicensed since July 20, 2026

License

Status
CLEAR
First issued
July 20, 2026
Expires
July 31, 2028
Entity
Corporation
Address of record
902 W SERVICE AVE, West Covina, CA 91790
Phone of record
(626) 418 5171

Contractor bond

Surety
WESTERN SURETY COMPANY
Bond number
73808823
Amount
$25,000
Effective
May 12, 2026

Workers’ compensation

Carrier
STATE COMPENSATION INSURANCE FUND
Policy number
9401253
Effective
May 13, 2026
Expires
May 13, 2027

Are they licensed for your job?

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Licensed to perform

A contractor may only contract for work within their classifications. See all 232 licensed general building contractors in West Covina.

People on this license

NameTitleSinceThrough
HAN MENGResponsible Managing OfficerJuly 20, 2026Current
HUANG AIMEIChief Executive Officer/PresidentJuly 20, 2026Current

Verified status badge

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AT BUILDING SYSTEMS INC — California contractor license #1158256 status, verified against CSLB records
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Source: California Contractors State License Board public records. Coverage lapse is evaluated against today’s date; all other fields reflect the latest weekly CSLB file. Confirm at the CSLB’s official record before signing a contract.