Updated: Nov 29, 2025
Location and Projects
Address
15909 Carmenia Dr, Whittier, CA, 90603
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Chung, Jun Sung Construction
Serving clients throughout Whittier, CA, Jun Sung Chung specializes in residential construction and remodeling projects. With 29 years of industry experience, Chung provides services that focus on home renovation, additions, and repairs for homeowners in the local community. Project examples from permit records include kitchen and bathroom remodels, garage conversions, and building additions, reflecting a broad skill set in both interior and exterior home improvement. Chung is knowledgeable in current building codes and works on occupied residences, ensuring compliance and minimizing disruption for occupants. The contractor’s experience spans a range of property ages and architectural styles commonly found in Whittier and neighboring cities.
Chung, Jun Sung Services
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Chung, Jun Sung Contact Information
Phone Number: (562) 943-0847
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Address: 15909 Carmenia Dr, Whittier, CA 90603
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Chung, Jun Sung Whittier
Quality
104
91st percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Chung, Jun Sung has a BuildZoom score of 104, which places them above 91% of 336,931 contractors in California.
Activity
|
12 projects
|
2025 |
|
9 projects
|
2024 |
|
7 projects
|
2023 |
Our building permit records indicate that Chung, Jun Sung has worked on at least
28.0 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
|
17 projects
|
Home Additions |
|
4 projects
|
New Constructions |
|
5 projects
|
Multi-room remodels |
Analyzing permits over the last 4 years shows that Chung, Jun Sung mostly works on
home addition
and multi-room remodel
projects.
Pricing
|
5 projects
|
< $5k |
|
1 project
|
$5k-$20k |
|
4 projects
|
$20k-$50k |
|
9 projects
|
$50k-$100k |
|
3 projects
|
$100k-$250k |
|
1 project
|
$250k-$500k |
The typical size of their permits is approximately $55,000. 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.
Eplan. first and second story addition and remodel of (e) 1-story single family dwelling with attached 2 car garage. to be fully sprinklered nfpa 13d
Valuation:
$180,000
Permit #:
25014-10000-02988
Status:
triage
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Construct (n) 996 sq ft deatched adu above (n) 862 sq ft (3) car garage. adu will have (2) bedrooms (2) bathrooms kitchen living room and den. electrical mechanical and plumbing on separate permits. as per approved plans note: retaining walls and garage conversion on separate permits
Valuation:
$133,523
Permit #:
BLDR-2021-0252
Status:
expired
Fee:
$2,267
Permit Type:
N/A
Building Type:
N/A
Mostly interior remodel of two units of triplex including alteration of kitchens and bathrooms and replacing some exterior doors in existing frames. plumbing and electrical work under separate permit
Valuation:
$80,000
Permit #:
22016-10000-01942
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Major remodel and addition to (e) 1-story single family dwelling nfpa 13d sprinklered throughout
Valuation:
$239,200
Permit #:
24014-10000-01909
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Interior and exterior remodel of existing 2 story single family dwelling including a small addition to the second floor. to include remodel of den on first floor and bedroom on second floor
Valuation:
$90,000
Permit #:
24014-10000-00896
Status:
complete
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Plumbing for (n) 996 sq ft deatched adu above (n) 862 sq ft (3) car garage. (1) shower (1) tub/shower (2) lavs (1) water system (1) tankless water heater (1) sink (1) dishwasher (1) garbage disposal (1) washer & dryer
Valuation:
$133,523
Permit #:
PLMR-2021-0117
Status:
expired
Fee:
$267
Permit Type:
N/A
Building Type:
N/A
Proposed 7'-5 x 4'-3 laundry room and stair addition at south side of (e) single family dwelling
Valuation:
$1,000
Permit #:
25014-10000-00192
Status:
plancheck
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
***supplemental to 21014-10000-03605*** to remove patio cover from scope of work and update scope of work to convert (e) detached garage to adu. per ca govt. code 65852.2(e)(1)(a)
Valuation:
$501
Permit #:
21014-30001-03605
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Addition (2 066 sf) of 2 sty. s.f.d. w/attached new 2 car garage (600 sf)
Valuation:
$320,000
Permit #:
12014-10000-03441
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Mechanical for (n) 996 sq ft deatched adu above (n) 862 sq ft (3) car garage. (1) furnace (1) air conditioning (2) exhaust fans (1) kitchen hood
Valuation:
$133,523
Permit #:
MECR-2021-0032
Status:
expired
Fee:
$236
Permit Type:
N/A
Building Type:
N/A
2nd story addition; alteration of 1 story sfd: alteraration of portion of (e) garage to create powder room & laundry; alteration of portion of entry porch to create stairway to 2nd story level. replacement of all windows and doors except garage doors and window
Valuation:
$180,000
Permit #:
18014-10000-03317
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Convert 12 x 4 4 portion of existing attached garage to accessory dwelling unit and addition 21 9 x 17 5 to accessory dwelling unit per lamc 12.22 a.33(c) and (e) - all work per engineer
Valuation:
$34,000
Permit #:
22014-20000-04087
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Combo residential – building – alteration (includes meps)
2022-09-01
Convert (e) 153 sq ft attached garage into bedroom. includes related electrical. as per approved plans note: house currently (3) bedrooms & (2) bathrooms will be (4) bedrooms & (2) bathrooms after
Valuation:
$5,690
Permit #:
COMR-2021-0128
Status:
expired
Fee:
$1,627
Permit Type:
N/A
Building Type:
N/A
Proposed 1-story 23'-4 x 29'-9 a.d.u. per state law gcs 66323 (a)(2)
Valuation:
$65,000
Permit #:
25010-10000-00180
Status:
plancheck
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
23'3 x 17'3 irregular shaped addition to ex. single family dwelling and convert (e) 7.3 sf portion of single family dwelling for an attached accessory dwelling unit per lamc 12.22 a.33 (c) and (e). 5'1 x 10'8 addition to ex. single family dwelling to expand convert study room into bedroom. attached deck/stair landing
Valuation:
$75,000
Permit #:
23014-10000-02494
Status:
expired
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Single family or duplex residential - electrical – new
2022-09-01
Electrical for (n) 996 sq ft deatched adu above (n) 862 sq ft (3) car garage. (34) outlets (20) switches (42) fixtures
Valuation:
$133,523
Permit #:
ELER-2021-0151
Status:
expired
Fee:
$233
Permit Type:
N/A
Building Type:
N/A
Addition into existing courtyard to enlarge family room. includes relocation of existing powder room in existing 1 story single family dewlling per engineer design
Valuation:
$30,000
Permit #:
21014-10000-03220
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental permit to 24014-10000-01909 to revise alteration work in (e) single family dwelling including structural plans plan check only
Valuation:
$501
Permit #:
24014-10001-01909
Status:
approved
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Interior renovation including kitchen and bathrooms raising ceilings wall reconfiguring window and door replacement removal of (e) patio cover and enclose portion of entry hall
Valuation:
$95,000
Permit #:
21014-30000-00089
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
The conversion of an existing accessory garage into an adu including an addition to the existing structure per ordinance and lamc 12.22 a33(c)&(d). gpi under 23030-10000-02536 ****not ready to issue***see comment
Valuation:
$25,000
Permit #:
23014-10000-01512
Status:
applied
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
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Chung, Jun Sung License info
Verified License
| License # | CAS2766 |
| Status | Active |
| State | California |
- BuildZoom has not verified this license since June, 2015.
Verify this license's status for Chung, Jun Sung at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
104
BuildZoom Score
429
Permits
- Building permit records show that Chung, Jun Sung has worked on 429 permitted projects.