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
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LIBERTY CONSTRUCTION
- License Number
- 643114
- State
- California
- Status
- active
- Business Type
- Sole Owner
- Address
- 730 GIRARD ST SAN FRANCISCO, CA, 94134 San Francisco County
- Phone
- (415) 699 5886
License Dates
Issued
04/25/1992
Expires
04/30/2028
Expires in 25 months
CSLB Last Updated
03/11/2026
License Classifications
Personnel & Officers
NGUYEN KEN (CUONG) NGOC
Sole Owner
Contractor Bond
Amount: $25,000
Company: NORTH RIVER INSURANCE COMPANY (THE)
Bond #04CF606898
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)
additions alterations or repairs
245 14th St, 94103
install spiral stairwell from lower unit to 2nd fl units, install firewall on third & fourth floors on east wall of building.
$18,000
otc alterations permit
905 Vermont St, 94107
install new bedroom in kitchen area with closet. relocate kitchen to dining area on second floor.
otc alterations permit
1184 Valencia St, 94110
proposed a new nail spa.
$85,000
2022-10-18
otc alterations permit
209 South Hill Bl, 94112
on ground floor: add one bedroom, one full bathroom and entertainment room as show on proposed plans.
$50,000
2022-03-23
otc alterations permit
48 Teddy Av, 94134
remove and replace in-kind of dry-rot decking,landing entry,and steps. less than 50%. stairs at the front of the bldg.
$3,000
2021-06-25
otc alterations permit
1832 Union St, 94123
revision to app#201909101270. 1)relocate ada restroom. 2)install ada ramp. 3) demo rear yard door & replace w/ (n) exterior wall infill
$1
2019-11-27
otc alterations permit
1832 Union St, 94123
convert retail store to nail salon. new ada restroom, storage, install 7 pedicure chairs.
$50,000
2019-10-22
otc alterations permit
48 Gillette Av, 94134
2nd fl: remodel (e) kitchen and bathroom, add 1 new full bath, ground fl: add 1 family room & laundry room
$80,000
2019-09-23
otc alterations permit
355 Tocoloma Av, 94134
revision to pa #201701066678, reconfiguration of floor plan.
$1
2019-02-01
additions alterations or repairs
355 Tocoloma Av, 94134
legalize a 2nd dwelling unit at the 1st flr of an (e) single family dwelling per ordinance 43-14. the bedroom, entertainment, kitchen, dining, living, bathroom and (2) storages to be legalized per pla
$88,000
2018-10-09
Showing 10 of 92 permits
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