Winnell Development Corporation

Palmdale · Los Angeles County · CA

Verified

Bestopedia verdict

95 / 100 Bestopedia Trust Score

California’s contractor board lists Winnell Development Corporation 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
24.6 / 30
License continuity
10 / 10
Workers' comp
12 / 12
Contractor bond
8 / 8

How the Trust Score is calculated →

The verified record

CSLB license
#485279 verify on CSLB ↗
Classifications
B
Years licensed
40.5 years since 01/10/1986
Contractor bond
$25,000 American Contractors Indemnity Company
Workers’ comp
Current State Compensation Insurance Fund
Business type
Corporation
Qualifying principal
Glenn Michaels Winkelstein
Address of record
39450 3rd Street East Unit 100, Palmdale, CA 93550

Frequently Asked Questions

Is Winnell Development Corporation a licensed General Contractor contractor in California?

Yes. Winnell Development Corporation holds California CSLB contractor license #485279 with a B (General Building) classification. Current CSLB status: CLEAR (as of July 2026).

What work is Winnell Development Corporation licensed to perform?

Winnell Development Corporation is licensed for B (General Building).

Is Winnell Development Corporation bonded?

Yes. Winnell Development Corporation carries contractor's bond #SC6339866 for $25,000 through American Contractors Indemnity Company.

Does Winnell Development Corporation carry workers' compensation insurance?

Yes. Winnell Development Corporation has workers' compensation insurance on file with State Compensation Insurance Fund, with a policy expiration of 02/01/2027.

How long has Winnell Development Corporation held its contractor license?

Winnell Development Corporation has held California contractor license #485279 since 01/10/1986, approximately 40 years (as of July 2026).

Where is Winnell Development Corporation located?

Winnell Development Corporation is based in Palmdale, Los Angeles County, CA 93550.