Updated: Nov 13, 2025
Location and Projects
Address
3358 W 157th St, Gardena, CA, 90249
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Minn Wenchung Construction
Serving Gardena and the surrounding areas of Los Angeles County, Minn Wenchung specializes in residential construction and remodeling projects. With 34 years of experience in the building industry, this contractor has handled a range of home improvement projects—from ground-up new builds to structural renovations and interior finish work. Minn Wenchung’s portfolio reflects work on single-family homes, including kitchen and bathroom remodels, roofing, flooring, and electrical upgrades. The company regularly manages both partial renovations and complete home overhauls, addressing property owners’ needs for modernization and code compliance. Minn Wenchung’s longstanding presence in the region demonstrates familiarity with local regulations and building standards in Gardena and neighboring cities. The contractor is equipped to guide property owners through permit processes and select appropriate construction materials for each project type.
Minn Wenchung Services
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Minn Wenchung Contact Information
Address: 3358 W 157th St, Gardena, CA 90249
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Minn Wenchung Gardena
Quality
102
89th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Minn Wenchung has a BuildZoom score of 102, which places them above 89% of 336,931 contractors in California.
Activity
|
6 projects
|
2025 |
|
3 projects
|
2024 |
|
6 projects
|
2023 |
Our building permit records indicate that Minn Wenchung has worked on at least
15.0 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
|
8 projects
|
Home Additions |
|
7 projects
|
Multi-room remodels |
Analyzing permits over the last 4 years shows that Minn Wenchung mostly works on
home addition
and multi-room remodel
projects.
Pricing
|
6 projects
|
< $5k |
|
2 projects
|
$5k-$20k |
|
1 project
|
$20k-$50k |
|
1 project
|
$50k-$100k |
|
4 projects
|
$100k-$250k |
|
2 projects
|
$250k-$500k |
The typical size of their permits is approximately $11,161. 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.
Remove (e) retaining wall and replace by two new retaining wall construction to existing single family dwelling (pn: #1956vn 20661) all work per engineer design with soils report
Valuation:
$180,000
Permit #:
24020-10000-00721
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Major remodeling and 2nd story addition to existing 1-story single family dwelling
Valuation:
$338,000
Permit #:
13014-30000-01903
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental ref. to permit# 23014-10000-02851 to re-stamp the plans due to lost of plans *****plan check only****
Valuation:
N/A
Permit #:
23014-30002-02851
Status:
triage
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
**eplan** addition to existing 1-story 2 car garage to create 4 car garage with new 2nd story detached adu. the adu is per ordinance 186481 and lamc 12.22 a.33 (c)&(d). all work per engineer design
Valuation:
$138,000
Permit #:
20010-10000-04866
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Addition to ex. single family dwelling. expand master bedroom and bathroom. remodel kitchen and ex. bathroom. create new powder room closet and laudry room. work per engineer
Valuation:
$35,000
Permit #:
25014-20000-00411
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
***void*** supplemental permit to # 22030-30000-07228 to capture grading work for site drainage changes (51 cy)
Valuation:
$51
Permit #:
22030-30001-07228
Status:
approved
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
*eplan check* new detached 2 story accessory dwelling unit per ordinance and lamc 12.22 a33(c)&(d). all work per engineer design
Valuation:
$100,000
Permit #:
21010-10000-03893
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Addition 18'0 x 18'0 carport to detached garage and convert existing garage to expand existing recreation room. ------------------ comply with department order effective date 10/15/2014 permit will expire 30 days from issuance date
Valuation:
$10,000
Permit #:
14014-20000-05275
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental ref. to permit# 23014-10000-02851 for minor revison to floor plan and change structural plans. ***no change in plot plan***
Valuation:
$501
Permit #:
23014-30001-02851
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Addition of 133 sf to existing single family dwelling and interior remodel
Valuation:
$90,000
Permit #:
17014-30000-04695
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
(2) 7 x 14'-8 additions to detached 2-car garage and convert garage to accessory dwelling unit. all work done per structural engineering
Valuation:
$37,000
Permit #:
20014-20000-00964
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
2nd story addition and interior renovation
Valuation:
$300,000
Permit #:
22014-10000-02653
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental to 22014-10000-04780 to update floor plan and structural plans. new hip roof above dining area
Valuation:
$2,000
Permit #:
22014-10001-04780
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental permit to # 21014-30000-01953 for revisions to roof drain locations and site drainage
Valuation:
$501
Permit #:
21014-30001-01953
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Proposed addition to expand ex living room kitchen (7'1"x21'7") & extend ex patio cover (7'1"x3'11"). convert ex den (12'6"x19'2") at rear into bedroom. this permit to include kitchen remodel
Valuation:
$25,000
Permit #:
19014-20000-06263
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Ground floor and basement addition to (e)xisiting single family dwelling
Valuation:
$170,000
Permit #:
21014-30000-01953
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
***supplemental to 21010-10000-03893*** remove exterior washer and dryer space and use that space as an interior closet
Valuation:
$501
Permit #:
21010-30002-03893
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Eplan: remodel and addition to existing single family dwelling
Valuation:
$12,322
Permit #:
24014-10000-01024
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental to 22014-10000-04780 to revise plans: exterior remodel and addition raised deck
Valuation:
$3,500
Permit #:
22014-10002-04780
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental to 21010-10000-03893 for the revision of title 24 energy calc
Valuation:
$2,500
Permit #:
21010-10001-03893
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
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Minn Wenchung License info
License Not Required
| Status | Not Required |
- BuildZoom verified in September, 2023 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.
102
BuildZoom Score
130
Permits
- Building permit records show that Minn Wenchung has worked on 130 permitted projects.