Updated: May 11, 2026
Location and Projects
Address
4825 EL SERENO, La Crescenta, CA, 91214
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Duk J Corporation Construction
Duk J Corporation, 4825 El Sereno, La Crescenta, CA (Employees: Jang Sop Kang and Kyung Won Aum) holds a license and 1 other license according to the California license board.
Their BuildZoom score of 102 ranks in the top 11% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Duk J Corporation, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Duk J Corporation Services
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Duk J Corporation Contact Information
Phone Number: (213) 321-6613
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Address: 4825 EL SERENO, La Crescenta, CA 91214
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Duk J Corporation La Crescenta
Quality
102
89th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Duk J Corporation has a BuildZoom score of 102, which places them above 89% of 336,931 contractors in California.
Activity
|
3 projects
|
2025 |
|
2 projects
|
2024 |
Our building permit records indicate that Duk J Corporation has worked on at least
5.0 projects over the past 2 years.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Pricing
|
3 projects
|
< $5k |
|
2 projects
|
$1mil+ |
Pro tip:
For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.
This is a sample of this contractor's permits. Click here to access their complete permit history.
New heat pump water heater with 120v plug-in to replace existing gas water heater in garage *the electrical circuit for the heat pump is under a separate permit: bldg-elec-2024-00751* subject to field review & inspection
Valuation:
$2,203
Permit #:
BLDG-P-2025-00726
Status:
final
Fee:
$274
Permit Type:
N/A
Building Type:
N/A
New heat pump water heater with 120v plug-in to replace existing gas water heater in garage *the electrical circuit for the heat pump is under a separate permit: bldg-elec-2024-00751* subject to field review & inspection
Valuation:
$2,203
Permit #:
BLDG-P-2025-00726
Status:
final
Fee:
$274
Permit Type:
N/A
Building Type:
N/A
New 4-story apartment with 1st floor parking and 3 stories of residential above including (8) units and (1) attached adu
Valuation:
$2,380,000
Permit #:
21010-10000-01206
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
E-plan. install new main electrical service (800a. 120/240v. 1phase. 3wires.) new electrical service (600a. 120/240v. 1phase. 3wires.) new electrical service (300a. 120/240v. 1phase. 3wires.) install (9) electrical panels (80a. 120/240v. 1phase. 3wires.) plan check for power
Valuation:
N/A
Permit #:
23041-10000-43612
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
New contruction 9 units installing (21) bathrooms fans (9) dryer fans (9) air handling units and (63) intlet/outlet
Valuation:
N/A
Permit #:
25044-10000-06307
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
[eplan] changes to approved plans. revised breaker size on single line diagram updated panel schedules to show added circuits updated power and lighting floor plans revised t24 forms. clouded changes only
Valuation:
N/A
Permit #:
20041-10002-24609
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Full pc. existing 4 story building. changed of use from parking to restaurant and 2nd 3rd and 4th floor to a hotel. scope of work includes a new 1600a service 17 panelboards 1 elevator and circuits. total affected energy area: 16680 sq.ft
Valuation:
N/A
Permit #:
20041-10000-24609
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Plan check only. supplemental to change hvac equipment make and model
Valuation:
N/A
Permit #:
20044-10001-07457
Status:
approved
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
New 2 story of mixed use of 3 offices including two medical offices on ground floor and two dwelling units with basement parking
Valuation:
$2,100,000
Permit #:
18010-10000-01047
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Eplan. supplemental to 19016-10000-40332 (b19la26638) addition new canopy minor revision to floor layouts. remove all emergency egress windows per labc sect 1030.1
Valuation:
$20,000
Permit #:
19016-10005-40332
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental to 18010-10000-01047 change of the building envelope to increase 100 sf in basement 200 sf in office area (60sf in ground 140 sf in 2nd floor)
Valuation:
$75,000
Permit #:
18010-10001-01047
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
12-10-2019 changes to an approved set of plan changes include lighting fixture schedule and installed ups in the patient care area update hvac equipment and title 24 calculation. all changes has been clouded as delta 2
Valuation:
N/A
Permit #:
18041-20001-17251
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Eplan. supplemental to 19016-10000-40332 to check plans for new roof equipment
Valuation:
$501
Permit #:
19016-10002-40332
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Duplex sump pump only
Valuation:
N/A
Permit #:
25042-10000-00278
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Excavation and recompaction for new foundation and slab on grade of 4-story apartment
Valuation:
$497
Permit #:
22030-10000-08879
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Gas outlets
Valuation:
N/A
Permit #:
25042-10000-08857
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Supplemental to 18010-10000-01047 for 4.5 high screen wall added on the roof and increase size of rooftop deck
Valuation:
$6,000
Permit #:
18010-10003-01047
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Level ii methane venting system for a 3-story hotel with 1 level of abv grade parking and 1 levels of subterranean parking garage
Valuation:
N/A
Permit #:
19042-10000-19528
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental to permit# 19030-10000-06515 to change from owner-builder to contractor duk j corporation
Valuation:
N/A
Permit #:
19030-10001-06515
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Install new hvac systems for a change of use of commercial building
Valuation:
N/A
Permit #:
20044-10000-07457
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
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Duk J Corporation Reviews
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Duk J Corporation License info
License Not Required
| Status | Not Required |
- BuildZoom verified in February, 2021 that this contractor does not need a license to be a contractor in California.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 813464 |
| Status | Inactive |
| State | California |
| Type | General Building, Warm Air Heating, Ventilating And Air Conditioning |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Duk J Corporation at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
102
BuildZoom Score
Bonded
| Bonded Agent | This License Filed A Contractor's Bond With |
| Bond Value | $10,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
16
Permits
- Building permit records show that Duk J Corporation has worked on 16 permitted projects.
Duk J Corporation Employees
JK
Jang Sop Kang
Rmo
KA
Kyung Won Aum
Ceo / President