License is active
Source: Contractors State License Board (CSLB)
Licensed
Current and in good standing
Bonded
$25,000 surety bond
Insured
Workers' comp coverage on file
Clean record
No complaints or disciplinary actions
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AMERICAN CLEANROOM SYSTEMS
DBA: CER CLEAN ROOMS INC
Owner: CER CLEAN ROOM INC DBA AMERICAN CLEANROOM SYSTEMS
- License Number
- 979883
- State
- California
- Status
- active
- Business Type
- Corporation
- Address
- 23221 ARROYO VISTA RANCHO SANTA MARGARITA, CA, 92688 Orange County
- Phone
- (949) 589 5656
License Dates
Issued
01/02/2013
Expires
01/31/2027
Expires in 10 months
CSLB Last Updated
12/29/2025
License Classifications
Personnel & Officers
CHIEN ANTHONY AN CHE
Chief Executive Officer/President
ESPINOZA RAMOS ANA ISABEL
Officer
VARNI PAUL JOSEPH
Responsible Managing Employee
Qualifier bond: AMERICAN CONTRACTORS INDEMNITY COMPANY
CASTANEDA CHARLIE VALENTINE
Responsible Managing Employee
Qualifier bond: AMERICAN CONTRACTORS INDEMNITY COMPANY
Contractor Bond
Amount: $25,000
Company: AMERICAN CONTRACTORS INDEMNITY COMPANY
Bond #100211989
Effective: 01/01/2023
Workers' Compensation
Carrier: HANOVER INSURANCE COMPANY (THE)
Policy #WHFM239821
Effective: 12/28/2025
Expires: 12/28/2026
CSLB designation: Workers' Compensation Insurance
Complaints & Disciplinary History
This reflects CSLB's bulk license data. For detailed complaint history including pending investigations, check the official CSLB record.
Building Permits
Source: LA City Open Data (LADBS)
Bldg-Alter/Repair — Commercial
1841 -1841 N GAFFEY ST, 90731
TI for existing office space to add modular cleanroom enclosure. COMP
$10,000
2016-08-30
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