United Partition Systems Inc

Corona · Riverside County · CA

Verified

Bestopedia verdict

95 / 100 Bestopedia Trust Score

California’s contractor board lists United Partition Systems 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
25.4 / 30
License continuity
10 / 10
Workers' comp
12 / 12
Contractor bond
8 / 8

How the Trust Score is calculated →

The verified record

CSLB license
#441381 verify on CSLB ↗
Classifications
B, D-34
Years licensed
43.0 years since 06/16/1983
Contractor bond
$25,000 Merchants Bonding Company (Mutual)
Workers’ comp
Current Benchmark Insurance Company
Business type
Corporation
Qualifying principal
Michael Ryan Kaminski
Address of record
150 Business Center Dr, Corona, CA 92880

Frequently Asked Questions

Is United Partition Systems Inc a licensed General Contractor contractor in California?

Yes. United Partition Systems Inc holds California CSLB contractor license #441381 with a B (General Building) classification. Current CSLB status: CLEAR (as of July 2026).

What work is United Partition Systems Inc licensed to perform?

United Partition Systems Inc is licensed for B (General Building), plus additional classifications: D-34.

Is United Partition Systems Inc bonded?

Yes. United Partition Systems Inc carries contractor's bond #100223630 for $25,000 through Merchants Bonding Company (Mutual).

Does United Partition Systems Inc carry workers' compensation insurance?

Yes. United Partition Systems Inc has workers' compensation insurance on file with Benchmark Insurance Company, with a policy expiration of 10/01/2026.

How long has United Partition Systems Inc held its contractor license?

United Partition Systems Inc has held California contractor license #441381 since 06/16/1983, approximately 43 years (as of July 2026).

Where is United Partition Systems Inc located?

United Partition Systems Inc is based in Corona, Riverside County, CA 92880.