Class One Cleanrooms

Rancho Santa Margarita · Orange County · CA

Verified

Bestopedia verdict

95 / 100 Bestopedia Trust Score

California’s contractor board lists Class One Cleanrooms 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 / 30
License continuity
10 / 10
Workers' comp
12 / 12
Contractor bond
8 / 8

How the Trust Score is calculated →

The verified record

CSLB license
#465364 verify on CSLB ↗
Classifications
B
Years licensed
41.6 years since 11/13/1984
Contractor bond
$25,000 American Contractors Indemnity Company
Workers’ comp
Current Amtrust Insurance Company
Business type
Corporation
Qualifying principal
Paul Joseph Varni
Address of record
29722 Avenida De Las Banderas, Rancho Santa Margarita, CA 92688

Frequently Asked Questions

Is Class One Cleanrooms a licensed General Contractor contractor in California?

Yes. Class One Cleanrooms holds California CSLB contractor license #465364 with a B (General Building) classification. Current CSLB status: CLEAR (as of July 2026).

What work is Class One Cleanrooms licensed to perform?

Class One Cleanrooms is licensed for B (General Building).

Is Class One Cleanrooms bonded?

Yes. Class One Cleanrooms carries contractor's bond #100268382 for $25,000 through American Contractors Indemnity Company.

Does Class One Cleanrooms carry workers' compensation insurance?

Yes. Class One Cleanrooms has workers' compensation insurance on file with Amtrust Insurance Company, with a policy expiration of 03/05/2027.

How long has Class One Cleanrooms held its contractor license?

Class One Cleanrooms has held California contractor license #465364 since 11/13/1984, approximately 42 years (as of July 2026).

Where is Class One Cleanrooms located?

Class One Cleanrooms is based in Rancho Santa Margarita, Orange County, CA 92688.