Updated: May 23, 2026
Location and Projects
Address
5708 CASE AVE APT A, North Hollywood, CA, 91601
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J Construction Co
Serving North Hollywood and the greater Los Angeles area for more than 18 years, J Construction Co specializes in residential and commercial construction projects. The company handles a range of services, including new construction, remodels, and additions for homes and businesses. Project types have included kitchen and bathroom renovations as well as structural improvements to existing properties. J Construction Co works with property owners throughout surrounding neighborhoods, offering expertise in both updating living spaces and enhancing commercial buildings. The team is experienced in managing projects from initial planning to final build, coordinating with clients to deliver functional upgrades and modernizations. With nearly two decades of experience in the Los Angeles construction industry, J Construction Co brings practical knowledge to a variety of building and remodeling needs.
J Construction Co Services
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J Construction Co Contact Information
Phone Number: (213) 300-4264
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Address: 5708 CASE AVE APT A, North Hollywood, CA 91601
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J Construction Co North Hollywood
Quality
107
94th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
J Construction Co has a BuildZoom score of 107, which places them above 94% of 336,931 contractors in California.
Activity
|
1 project
|
2025 |
|
4 projects
|
2023 |
Our building permit records indicate that J Construction Co has worked on at least
5.0 projects over the past 3 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
|
1 project
|
$20k-$50k |
|
1 project
|
$100k-$250k |
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.
Remove existing not operating electrical meter comply with department order effective date 04/07/2021. permit will expire 30 days from issuance date
Valuation:
N/A
Permit #:
22041-10000-47043
Status:
triage
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Replace electrical fixtures in an existing apartment building
Valuation:
N/A
Permit #:
18041-10000-47945
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Replace electrical fixtures in an existing apartment building
Valuation:
N/A
Permit #:
18041-10000-47940
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Fire damage restoration at (e) 2- story office building
Valuation:
$50,000
Permit #:
22016-10000-17796
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Chimney repair per l.a. city standard plan
Valuation:
$2,000
Permit #:
22016-90000-10707
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Heating appliance installation
Valuation:
N/A
Permit #:
22044-90000-03362
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Water heater replacement
Valuation:
N/A
Permit #:
22042-90000-06608
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
3 gang 400amps service plus 1 (hse meter) for 1816 1818 1818 1/2 ardmore ave
Valuation:
N/A
Permit #:
19041-10000-34029
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Plunbing for bathroom
Valuation:
N/A
Permit #:
22042-10000-21109
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Switch installation
Valuation:
N/A
Permit #:
22041-90000-13938
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Plan check for t24 only tenant improvement. to (e) retail. total area 3, 309 sq.ft (b# 18016-10000-08613)
Valuation:
N/A
Permit #:
18041-10000-39005
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Update main panel
Valuation:
N/A
Permit #:
22041-90000-51155
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Update main panel
Valuation:
N/A
Permit #:
22041-90000-51156
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
4 exhaust fans
Valuation:
N/A
Permit #:
22044-10000-12190
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Supplemental to 19041-10000-00672 to addition 209 lights switches units and outlets
Valuation:
N/A
Permit #:
19041-10001-00672
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Electrical
13310 W Mulholland Dr, Los Angeles, CA, 90210
2024-12-16
Main panel upgrade
Valuation:
N/A
Permit #:
24041-90000-17082
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental to 19041-10000-34029 for (2) extra trip fees
Valuation:
N/A
Permit #:
19041-10001-34029
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Addition 2 nathroom exhaust fans (total 100 cfm)
Valuation:
N/A
Permit #:
19044-10000-04231
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
10 tenant improvement. main drain change
Valuation:
N/A
Permit #:
19042-10000-17805
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Light change- switches outlet change
Valuation:
N/A
Permit #:
19041-10000-00688
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
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J Construction Co Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
J Construction Co License info
Verified License
| License # | 884286 |
| Status | Active |
| State | California |
| Type | Tile (Ceramic And Mosaic), General Building, Flooring And Floor Covering, Plumbing, Electrical |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for J Construction Co at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 931831 |
| Status | Inactive |
| State | California |
| Type | General Building, Tile (Ceramic And Mosaic), Flooring And Floor Covering |
| Business Type | Sole Ownership |
- 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 J Construction Co at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 720608 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- 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 J Construction Co at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
107
BuildZoom Score
Bonded
| Bonded Agent | Suretec Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
31
Permits
- Building permit records show that J Construction Co has worked on 31 permitted projects.
J Construction Co Employees
CK
Chaekyong Ko
Sole Owner
HL
Haegeol Lee
General Partner
HL
Haegeol Lee
General Partner
JM
James Moore
Sole Owner