Ampert Development Inc

Rosemead · Los Angeles County · CA

Verified

Bestopedia verdict

95 / 100 Bestopedia Trust Score

California’s contractor board lists Ampert Development Inc with a license standing of CLEAR. A contractor bond is on file, and workers’ compensation coverage is current.

License standing
25 / 25
Clean record
15 / 15
Track record
24.7 / 30
License continuity
10 / 10
Workers' comp
12 / 12
Contractor bond
8 / 8

How the Trust Score is calculated →

The verified record

CSLB license
#482800 verify on CSLB ↗
Classifications
B
Years licensed
40.6 years since 11/15/1985
Contractor bond
$25,000 American Contractors Indemnity Company
Workers’ comp
Current Oak River Insurance Company
Business type
Corporation
Qualifying principal
Wilson Chin-pay Chen
Address of record
8808 Mission Drive #208, Rosemead, CA 91770

Frequently Asked Questions

Is Ampert Development Inc a licensed General Contractor contractor in California?

Yes. Ampert Development Inc holds California CSLB contractor license #482800 with a B (General Building) classification. Current CSLB status: CLEAR (as of July 2026).

What work is Ampert Development Inc licensed to perform?

Ampert Development Inc is licensed for B (General Building).

Is Ampert Development Inc bonded?

Yes. Ampert Development Inc carries contractor's bond #SC6002614 for $25,000 through American Contractors Indemnity Company.

Does Ampert Development Inc carry workers' compensation insurance?

Yes. Ampert Development Inc has workers' compensation insurance on file with Oak River Insurance Company, with a policy expiration of 01/01/2027.

How long has Ampert Development Inc held its contractor license?

Ampert Development Inc has held California contractor license #482800 since 11/15/1985, approximately 41 years (as of July 2026).

Where is Ampert Development Inc located?

Ampert Development Inc is based in Rosemead, Los Angeles County, CA 91770.