Updated: Jan 30, 2026
Location and Projects
Address
1885 COMMONWEALTH AVE_UNIT B, Fullerton, CA, 92833
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JUNGSCO Construction
Serving clients throughout Fullerton and the surrounding Orange County area, JUNGSCO INC brings over three decades of experience to commercial construction and tenant improvement projects. The company specializes in retail space build-outs, office remodels, and restaurant renovations, as shown in project examples for national chains and local businesses. JUNGSCO INC manages projects ranging from comprehensive interior overhauls to targeted updates, with capabilities that include drywall installation, framing, finish carpentry, and all phases of commercial interior construction. The team has demonstrated expertise working within occupied spaces to minimize disruption to daily operations and meet accelerated timelines required by business clients. Working with property managers, owners, and franchisees, JUNGSCO INC provides complete project management on jobs of varying scale.
JUNGSCO INC Services
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JUNGSCO INC Contact Information
Phone Number: (714) 278-0300
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Address: 1885 COMMONWEALTH AVE_UNIT B, Fullerton, CA 92833
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JUNGSCO INC Fullerton
Quality
107
94th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
JUNGSCO INC has a BuildZoom score of 107, which places them above 94% of 336,931 contractors in California.
Activity
|
2 projects
|
2025 |
|
3 projects
|
2024 |
|
5 projects
|
2023 |
Our building permit records indicate that JUNGSCO INC has worked on at least
10.0 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.
Experience
|
4 projects
|
Commercial Renovations |
Analyzing permits over the last 4 years shows that JUNGSCO INC mostly works on
commercial renovation
projects.
Pricing
|
1 project
|
< $5k |
|
1 project
|
$5k-$20k |
|
1 project
|
$20k-$50k |
|
1 project
|
$50k-$100k |
|
2 projects
|
$100k-$250k |
|
2 projects
|
$250k-$500k |
|
1 project
|
$1mil+ |
The typical size of their permits is approximately $100,000. This graph shows the distribution of these job values.
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 restaurant tenant improvement of 6, 731 sq ft with calcs issue certificate of occupancy. scope of work: 1) demolish partial storefront one exterior window rear service door and surrounding wall area 2) barrier removal items to include additional accessible entry counter seating and restrooms 3) install freestanding exterior trellis and steel structure 4) interior decorative wood c... see more
Valuation:
$3,836,955
Permit #:
2023 104213 CI
Status:
issued
Fee:
$10,966
Permit Type:
Restaurant
Building Type:
N/A
Change of use from 71 5 3/8 x 32 6 (1826 sf) (e) take out restaurant to a new dine in restaurant. no alcohol use and sale permitted. all work done per engineer
Valuation:
$450,000
Permit #:
23016-20000-34502
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Rev1 2/7/2022:structural design change for exh. hood soffit ceiling attic mechanical. equipment wood screen wall attic framing suspended ceiling/light attachments to existing structure. finish for (n) restaurant to include outdoor 639 sf & indoor 2907 sf (n) bar ada accessible restrooms. include associated m-e-p work. ***new c of o***
Valuation:
$250,000
Permit #:
BLD2018-51604
Status:
final
Fee:
$20,040
Permit Type:
N/A
Building Type:
N/A
Encroachment permit - driveway construction (w/o agreement)
2022-09-28
(2) driveway approaches. remove and replace per city standard 121-1 and per attached approved plans. remove and replace 1 air conditioning slot patch. traffic control per watch. work hours 7am to 4pm. please contact the city inspector danny perez at 714-738-6872 for a pre-construction meeting prior to any work being performed. failure to hold a pre-construction meeting may result in r... see more
Valuation:
N/A
Permit #:
ENG-2022-0626
Status:
expired
Fee:
$425
Permit Type:
N/A
Building Type:
N/A
Change of use from retail to take out restaurant. first tenant improvement
Valuation:
$175,000
Permit #:
20016-10000-19499
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Tenant improvement for a 2603 sq. ft. space with 386 sq. ft. exterior covered patio including expansion into 790 sq. ft. adjacent retail shop (changed part of retail use space to a restaurant)
Valuation:
$1,400,000
Permit #:
2019 136513 CI
Status:
final
Fee:
N/A
Permit Type:
Restaurant
Building Type:
N/A
Rev1:structural design change for exh. hood soffit ceiling attic mechanical. equipment wood screen wall attic framing suspended ceiling/light attachments to existing structure. finish for (n) restaurant to include outdoor 639 sf & indoor 2907 sf (n) bar ada accessible restrooms. include associated m-e-p work. ***new c of o***
Valuation:
N/A
Permit #:
BLD2018-51604-REV1
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Change of use from medical office (57.5 x 32.5') to ice cream shop and to create two outside patio per dir-2015-3080-spp and reduced one parking space to create an accessible parking space. hours of operation will be from 7:00 am to 11:00 pm
Valuation:
$350,000
Permit #:
18016-10000-04257
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Tenant improvement for restaurant in an (e) shell space. work inlcudes (n) ceiling flooring interior non-bearing patitions. (n) mens and womens restroom. no change in existing use or occupancy. shell space under permit #16016-10000-01909
Valuation:
$500,000
Permit #:
17016-10000-05331
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Change of use (e) retail to restaurant of 1st floor tenant space [22 x 48'] in existing commercial building [4-story urm bulding]. hours of operation shall be limited to 7am to 11pm
Valuation:
$180,000
Permit #:
22016-10000-33203
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Plan check for energy compliance only. scope of work includes indoor/outdoor lighting controls and circuits. total energy affected area: 2514 sq. ft
Valuation:
N/A
Permit #:
20041-10000-38244
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental to 22016-10000-33203 to addition clearance for za-2022-7998-cub
Valuation:
$501
Permit #:
22016-10002-33203
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental to 22016-10000-33203 for the fire rated paint on (e) flooring structure. no change in plot plan
Valuation:
$10,000
Permit #:
22016-10001-33203
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Tenant improvement for a 2603 sq. ft. space with 386 sq. ft. exterior covered patio including expansion into 790 sq. ft. adjacent retail shop
Valuation:
$1,400,000
Permit #:
2019 121018 CI
Status:
filed
Fee:
N/A
Permit Type:
Restaurant
Building Type:
N/A
Tenant improvement. for (e) restaurant including: (n) stair (n) elevator (n) bathrooms with relocation of (e) kitchen and (e) bar
Valuation:
$100,000
Permit #:
23016-10000-15074
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental permit #20016-10001-29008 addition (16'-6 x 9'-0") to ( e) one story restaurant. see comment
Valuation:
N/A
Permit #:
20016-10001-29008
Status:
plancheck
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Change the use of (e) retail space to restaurant in existing commercial building. hours of operation from 7am to 11pm
Valuation:
$350,000
Permit #:
22016-10000-33209
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental permit to 15016-10000-26234 to correct the address
Valuation:
N/A
Permit #:
15016-10001-26234
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Addition fire rated paint on (e) flooring structure. no change in plot plan
Valuation:
$20,000
Permit #:
24016-10000-02063
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Tenant improvement. for existing restaurant (tocaya organica unit 2300) and existing patio (unit# p2300) for outdoor dining. new storefront and glazing
Valuation:
$300,000
Permit #:
17016-10000-17409
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
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JUNGSCO INC License info
Verified License
| License # | 951264 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Corporation |
- BuildZoom verified this license was active as of January 2026.
Verify this license's status for JUNGSCO INC 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 |
85
Permits
- Building permit records show that JUNGSCO INC has worked on 85 permitted projects.
JUNGSCO INC Employees
IJ
Ilkeun Jung
Rmo / Ceo / Pres
IJ
Ilkeun Jung
Rmo / Ceo / Pres