License is active
Source: Contractors State License Board (CSLB)
Licensed
Current and in good standing
Bonded
$25,000 surety bond
WC exempt
No employees — exempt from requirement
Clean record
No complaints or disciplinary actions
Hiring this contractor?
Get alerts if their license status changes.
You're monitoring this license!
We'll email you if the license status, bond, or complaint history changes.
Something went wrong
Is this your business?
Claim your profile to manage your listing.
Claim request submitted!
We'll be in touch at the email you provided to verify your identity.
Something went wrong
THORNSTONE CONSTRUCTION GROUP
DBA: JCL CONSTRUCTION INC
- License Number
- 1030548
- State
- California
- Status
- active
- Business Type
- Corporation
- Address
- 99 ALMADEN BLVD SUITE 600 SAN JOSE, CA, 951132259 Santa Clara County
- Phone
- (408) 761 4101
License Dates
Issued
08/30/2017
Expires
12/31/2027
Expires in 21 months
Reissued
12/15/2017
CSLB Last Updated
02/04/2026
License Classifications
Personnel & Officers
TRUONG KHOA DANG
Chief Executive Officer/President
LOPEZ BARRAZA JUAN CARLOS
Responsible Managing Officer/Chief Executive Officer/President
Contractor Bond
Amount: $25,000
Company: AMERICAN CONTRACTORS INDEMNITY COMPANY
Bond #100374089
Effective: 01/01/2023
Workers' Compensation
Owner/officer with no employees — exempt from WC requirement
CSLB designation: Exempt
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)
otc alterations permit
21 Columbia Square St, 94103
repair of exterior stucco due to car accident, minor framing repair, limit to no more than (2) studs replacement, all work in-kind
$35,000
2019-04-05
otc alterations permit
1075 Le Conte Av, 94124
repair drywall, 32 sqft of new insulation at trash room on 5th floor. damage to old insulation due to water leak. comply with complaint # 201889121 item 2.
$5,000
2018-09-24
otc alterations permit
1415 Scott St, 94115
unit 108. new drywall, plumbing fixtures, electrical, paint. repair walls in-kind. no walls moved, removed, added or infilled. all (e) layout to remain unchanged. repair fire damage
$60,000
2018-08-07
Verify this record on the official state licensing board
View on Contractors State License Board (CSLB) →Learn how to verify contractor licenses in California
California licensing guide →Data sourced from official state licensing board records. Always confirm critical information directly with the state board.
Verify Another Contractor
Homeowner Resources
Other Licensed General Building Contractor in SAN JOSE
ARENA ENTERPRISES
License #991531 · CA
FOUR SEASONS CONSTRUCTION AND SERVICES
License #991632 · CA
CSC CONSTRUCTION
License #992480 · CA
MARTINEZ PABLO - CONSTRUCTION
PABLO MARTINEZ - CONSTRUCTION
License #992769 · CA
NORTH CURRENT BUILDERS INC
License #992776 · CA