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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MACKONE DEVELOPMENT INC
- License Number
- 562773
- State
- California
- Status
- active
- Business Type
- Corporation
- Address
- 2244 BEVERLY BLVD LOS ANGELES, CA, 90057 Los Angeles County
- Phone
- (213) 252 9506
License Dates
Issued
03/29/1989
Expires
03/31/2027
Expires in 12 months
CSLB Last Updated
11/19/2025
License Classifications
Personnel & Officers
DUGAN MATTHEW ROLAND
Responsible Managing Employee
Qualifier bond: AMERICAN CONTRACTORS INDEMNITY COMPANY
YANG SCOTT SUNG| YANG SCOTT HYUN
Officer
YANG TAI JOON
Chief Executive Officer/President
YANG HAE JUNG
Officer
HO SONG CHU
Responsible Managing Employee
Qualifier bond: AMERICAN CONTRACTORS INDEMNITY COMPANY
YANG EUN SOOK
Officer
Contractor Bond
Amount: $25,000
Company: MERCHANTS BONDING COMPANY (MUTUAL)
Bond #101684555
Effective: 11/07/2025
Workers' Compensation
Carrier: INSURANCE COMPANY OF THE WEST
Policy #WSD508482400
Effective: 06/21/2025
Expires: 06/21/2026
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 — Apartment
1055 -1055 S SERRANO AVE, 90006
CONVERT 20 UNIT APARTMENT BUILDING TO CONDOMINIUMS***
$10,000
2019-02-07
Bldg-Alter/Repair — Apartment
1055 -1055 S SERRANO AVE, 90006
SUPPLEMENTAL TO PERMIT #14010-10001-02319 TO CHANGE OWNER
2018-12-28
Bldg-Alter/Repair — Apartment
1055 -1055 S SERRANO AVE, 90006
Supplemental permit to pcis # 14010-30000-02319, to change engineer of
$501
2018-12-12
Bldg-Alter/Repair — Apartment
1055 -1055 S SERRANO AVE, 90006
SUPPLEMENTAL PERMIT #14010-30000-02319. CHANGE OF CONTRACTOR FROM CAPI
2017-03-16
Bldg-Alter/Repair — Commercial
810 -810 E PICO BLVD, 90021
(N) FLOOR OPENING AND INSTALL (N) CONVENIENCE STAIR FROM FIRST TO 2ND
$40,000
2016-10-13
Bldg-Alter/Repair — Commercial
810 -810 E PICO BLVD, 90021
NEW ARCHITECTURAL FEATURE ON AN EXISTING RETAIL BUILDING - STRUCTURAL
$5,000
2015-11-06
Verify this record on the official state licensing board
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California licensing guide →Data sourced from official state licensing board records. Always confirm critical information directly with the state board.