Updated: Jun 04, 2026
Location and Projects
Address
4487 SHASTA PL, El Monte, CA, 91731
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Tsou, Jason Chia-hsiang Construction
Serving El Monte, California, Jason Chia-hsiang Tsou has nearly three decades of experience as a licensed contractor. Projects in the area demonstrate expertise in residential remodeling and alterations, including additions, interior renovations, and updates to kitchens and bathrooms. Serving homeowners throughout El Monte and surrounding Los Angeles County neighborhoods, Tsou brings extensive knowledge of local building codes and permitting processes. With a portfolio spanning both small-scale home improvements and larger structural modifications, he assists property owners with a range of construction needs. Jason Chia-hsiang Tsou’s years of hands-on experience enable him to manage renovation and remodeling projects efficiently from planning through final inspection, focusing on residential properties in the Southern California region.
Tsou, Jason Chia-hsiang Services
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Tsou, Jason Chia-hsiang Contact Information
Phone Number: (213) 923-5003
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Address: 4487 SHASTA PL, El Monte, CA 91731
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Tsou, Jason Chia-hsiang El Monte
Quality
109
95th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Tsou, Jason Chia-hsiang has a BuildZoom score of 109, which places them above 95% of 336,931 contractors in California.
Activity
|
16 projects
|
2025 |
|
18 projects
|
2024 |
|
19 projects
|
2023 |
Our building permit records indicate that Tsou, Jason Chia-hsiang has worked on at least
53.0 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
|
Commercial Renovations |
|
3 projects
|
Kitchen remodels |
Analyzing permits over the last 4 years shows that Tsou, Jason Chia-hsiang mostly works on
commercial renovation
and kitchen remodel
projects.
Pricing
|
1 project
|
< $5k |
|
1 project
|
$50k-$100k |
|
1 project
|
$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.
Building Permits by Tsou, Jason Chia-hsiang
This is a sample of this contractor's permits. Click here to access their complete permit history.
Tenant improvement. includes general heating ventillation and conditioning and (2) type i hoods. ************ new hvac units new make-up air unit new exhaust fans for the (2) two new type-i hoods new restroom fan new condenser units and new water heater vent
Valuation:
N/A
Permit #:
25044-10000-01671
Status:
triage
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Construct (n) 1-story 6, 861 sqft single family dwelling with 953 sqft attached 3-car garage to include (6) bedrooms (5.5) bathrooms family room kitchen outdoor patio living room on vacant lot mechanical electrical and plumbing under separate permits pool/spa under separate permit as per approved plans
Valuation:
$1,097,380
Permit #:
BLDR-2022-0856
Status:
complete
Fee:
$19,874
Permit Type:
N/A
Building Type:
N/A
Plumbing tenant improvement. potable water only. upsize the water main line (n) 2 water meter
Valuation:
N/A
Permit #:
25042-10000-13142
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Plumbing for (n) 1-story 6, 861 sqft single family dwelling with 953 sqft attached 3-car garage to include (6) bedrooms (5.5) bathrooms family room kitchen outdoor patio living room on vacant lot includes: (4) bathtub (3) shower (7) lavs (6) water closet (1) gas system (1) water system (3) water heater (1) dishwasher ref: bldr-2022-0856
Valuation:
N/A
Permit #:
PLMR-2022-0347
Status:
expired
Fee:
$441
Permit Type:
N/A
Building Type:
N/A
Mechanical for (n) 1-story 6, 861 sqft single family dwelling with 953 sqft attached 3-car garage to include (6) bedrooms (5.5) bathrooms family room kitchen outdoor patio living room on vacant lot includes: (2) 380k btus fau (2) 10 tons air conditioning unit (1) kitchen hood ref: bldr-2022-0856
Valuation:
N/A
Permit #:
MECR-2022-0154
Status:
expired
Fee:
$366
Permit Type:
N/A
Building Type:
N/A
Single family or duplex residential - electrical – new
2024-09-19
Electrical for (n) 1-story 6, 861 sqft single family dwelling with 953 sqft attached 3-car garage to include (6) bedrooms (5.5) bathrooms family room kitchen outdoor patio living room on vacant lot includes: (100) outlets (25) switches (140) fixtures (1) 400 amp service main (1) 200 amp sub panel (1) 200 amp sub panel
Valuation:
N/A
Permit #:
ELER-2022-0616
Status:
complete
Fee:
$1,020
Permit Type:
N/A
Building Type:
N/A
Plan check for downdraft appliance and commercial grease exhaust systems
Valuation:
N/A
Permit #:
25044-20000-05272
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental permit to 21014-30000-05509 to revise second floor plan layout (reduce the bathrooms from 2 to 1 and mirror the proposed bathroom) ** no change in area**
Valuation:
N/A
Permit #:
21014-30003-05509
Status:
plancheck
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Plan check only revision to appoved plans - reduce type i hood size from 12 to 10ft updated pressure loss calculations. **note to pc: see sheet m-4.0*****
Valuation:
N/A
Permit #:
23044-10002-26554
Status:
approved
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
Plumbing tenant improvement. potable water only. (e) 3 water meter; (e) 3 backflow preventer
Valuation:
N/A
Permit #:
24042-10000-20933
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Installation of one type-ii hood makeup air and environmental exhaust. replace existing roof top unit. health dept. approval obtained on 8/27/21 plan check number sr0261976
Valuation:
N/A
Permit #:
21044-20000-06846
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Revision to previously approved plans revised and added outlets to low pressure gas system. partial permit fees under 23042-20000-22928
Valuation:
N/A
Permit #:
24042-10000-18044
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Plan check for permit pulled under 22042-20000-10127. plan check for size of water main and two new washers. partial permit fees paid under 22042-20000-10127
Valuation:
N/A
Permit #:
22042-10001-10127
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Plan check only. revision of backflow preventer from 3 wilkins 350 to 3 zurn 375 (dc to rp). no changes to pipe sizing table
Valuation:
N/A
Permit #:
20042-10003-06109
Status:
approved
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Tenant improvment. korean bbq restaurant. (29) new downdraft type 1 hoods for gas powered bbq tables (2) type i hoods and (1) type ii hood. includes (2) new mua units (evap coolers)
Valuation:
$585,000
Permit #:
18044-10000-07976
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Plan check only. revision to previously approved plans under #23044-10000-26554. revised type i hood size and equipment
Valuation:
N/A
Permit #:
23044-10001-26554
Status:
approved
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
New plumbing system for existing three story commercial building with mezzanine due to change of use from existing warehouse to wholesale mall. potable water and waste/vent with grease interceptor only. 2 water meter with rp backflow device and prv
Valuation:
$5,000,000
Permit #:
16042-10000-01146
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Demolish (e) detached garage (324 sf). sewer cap required. pedestrian protection fence required
Valuation:
$3,000
Permit #:
22019-30000-05444
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Revision to approved set of plans. revised fan coil locations osa ductwork and addition of four combination smoke fire dampers. revised ductwork distribution
Valuation:
$600,000
Permit #:
16044-10001-11261
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
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Tsou, Jason Chia-hsiang License info
Verified License
| License # | CAM22486 |
| Status | Active |
| State | California |
- BuildZoom has not verified this license since June, 2015.
Verify this license's status for Tsou, Jason Chia-hsiang at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 596036 |
| Status | Inactive |
| State | California |
| Type | General Building, Fire Protection |
- 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 Tsou, Jason Chia-hsiang at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
109
BuildZoom Score
Bonded
| Bonded Agent | This License Filed A Contractor's Bond With |
| Bond Value | $12,500 |
526
Permits
- Building permit records show that Tsou, Jason Chia-hsiang has worked on 526 permitted projects.
Tsou, Jason Chia-hsiang Employees
JT
Jason Chia Hsiang Tsou
Sole Owner