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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SPYMICRO SURVEILLANCE TECHNOLOGIES
DBA: KALSTONE CORP
- License Number
- 1072230
- State
- California
- Status
- active
- Business Type
- Corporation
- Address
- 1140 CENTRE DR #S WALNUT, CA, 91789 Los Angeles County
- Phone
- (626) 336 6828
License Dates
Issued
12/28/2020
Expires
12/31/2026
Expires in 9 months
CSLB Last Updated
11/12/2025
License Classifications
Personnel & Officers
CHEN JERRY JIANREN
Responsible Managing Officer/Chief Executive Officer/President
Contractor Bond
Amount: $25,000
Company: WESTERN SURETY COMPANY
Bond #67665764
Effective: 11/09/2025
Workers' Compensation
Carrier: NORGUARD INSURANCE COMPANY
Policy #KAWC626823
Effective: 06/01/2025
Expires: 06/01/2026
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.
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California licensing guide →Data sourced from official state licensing board records. Always confirm critical information directly with the state board.
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