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
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
J-T A C CORP
- License Number
- 512826
- State
- California
- Status
- active
- Business Type
- Corporation
- Address
- 1465 46TH AVENUE SAN FRANCISCO, CA, 94122 San Francisco County
- Phone
- (415) 609 2633
License Dates
Issued
06/19/1987
Expires
06/30/2027
Expires in 15 months
CSLB Last Updated
07/18/2025
License Classifications
Personnel & Officers
CHUNG KAM SHING
Officer
CHUNG YING SUNG
Chief Executive Officer/President
BORTER FRED TIM JR
Responsible Managing Officer
CHUNG WAH MING| CHUNG PETER MING WAH
Responsible Managing Officer
YE HANWEI
Officer
TAN WILSON
Officer
TRAN HOAN VIET
Officer
CHUNG ERIC TAKHO
Officer
Contractor Bond
Amount: $25,000
Company: WESTERN SURETY COMPANY
Bond #64872593
Effective: 01/01/2023
Workers' Compensation
Carrier: STATE COMPENSATION INSURANCE FUND
Policy #9023328
Effective: 08/30/2012
Expires: 08/30/2026
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)
otc alterations permit
187 Putnam St, 94110
remodeling (e) 1st floor by adding 1 bedroom and 1 full bathroom
additions alterations or repairs
72 Manzanita Av, 94118
unit legalization ord 43-14. legalize (e) tv room as kitchen creating full dwelling unit. includes install gas stove, refrigerator, kitchen sink, range hood.
$7,300
otc alterations permit
3801 03rd St, 94124
unit #525: replace broken (e) front door. size 36" x 96". aluminum with glass. all door operations and hardware to be in compliance with chapter 11b-404.
$5,000
2025-08-04
otc alterations permit
518 Divisadero St, 94117
replace existing subpanel and gfci plugs in kind. add 5 gfci plugs. patch minor sheetrock from electrical work in kind. fix leaking faucet.
$7,500
2025-06-09
otc alterations permit
262 Minerva St, 94112
to obtain final inspection for work approved under pa#: 202106293392 all work is complete.
$1
2025-04-24
otc alterations permit
430 27th Av, 94121
unit #1 bathroom remodel. replace 2 shower pan and 2 toilet. new subpanel and rewire in kind
$20,500
2025-04-01
otc alterations permit
372 Moultrie St, 94110
revision to approved bpa# 202311201110: remodel 1/f and 2/f, move stairs to rear, and add bathroom to 1/f. to comply w/ nov# 202425574.
$20,000
2024-09-09
otc alterations permit
431 Arch St, 94132
remodel existing 2 bathroom on first floor. rewire 2 bedroom on first floor. rewire 2 bedroom on 1/f. in kind
$50,000
2024-07-15
otc alterations permit
155 Sickles Av, 94112
at 2nd floor and 3rd floor: convert extg living room into new bedrooms and new living room. demo extg fire place at 2nd and 3rd floor. remodel extg kitchen.
$68,000
2024-06-20
otc alterations permit
155 Sickles Av, 94112
revision to 202405232851; on 153 sickles ave: replace window in bedroom and kitchen, one window in bedroom on front of building. on 155: replace one window in bedroom on front of building.
$5,000
2024-06-20
Showing 10 of 74 permits
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 FRANCISCO
ARTANE CONSTRUCTION
License #1000500 · CA
BUILDA GLOBAL BUILDING COMPANY
License #1000623 · CA
ENGEL THOMAS
THOMAS ENGEL
License #1000783 · CA
DEEP ELM CONSTRUCTION LLC
License #1001057 · CA
SKYY BUILDERS INC
License #1001075 · CA