Updated: Apr 05, 2026
Location and Projects
Address
1903 MERCED AVENUE, South El Monte, CA, 91733
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ERJ Electrician
ERJ Inc, 1903 Merced Ave, South El Monte, CA (Employees: Chih-Shen Chen, Jui Yu Young, and Jui Yu Young) holds a Electrical license and 1 other license according to the California license board.
Their BuildZoom score of 100 ranks in the top 13% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring ERJ Inc, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
ERJ Inc Contact Information
Phone Number: (626) 712-3032
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Address: 1903 MERCED AVENUE, South El Monte, CA 91733
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Special deputy inspector certification - ful #591 reinforced concrete ******renewal 02/24/2026 expires *****
Valuation:
N/A
Permit #:
MIS-2025-0144
Status:
complete
Fee:
$81
Permit Type:
N/A
Building Type:
N/A
Wmsr-08: [new/replace] panel/switchbrd | wmsr-09: [new] power apparatus_kw/hp/kva | additional details: upgrade 200 amp meter; one ev car charger power 60amp 240v 1 phase
Valuation:
N/A
Permit #:
00860701-WMSR
Status:
final
Fee:
$56
Permit Type:
N/A
Building Type:
N/A
Full plan check for a new one story building for chronic dialysis center (outpatient clinic). scope includes new 600a service. total affected area is 16955 sq.ft
Valuation:
N/A
Permit #:
19041-10000-13221
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Wmsr-01: [new/replace] lights/outlets/switches | wmsr-08: [new/replace] panel/switchbrd | additional details: one 200 amp 120/240v 1ph one ev charger power 50a 240v 1ph
Valuation:
N/A
Permit #:
00848463-WMSR
Status:
final
Fee:
$41
Permit Type:
N/A
Building Type:
N/A
Replacement of 40 gallon water heater. like for like
Valuation:
N/A
Permit #:
PL24-00300
Status:
final
Fee:
$142
Permit Type:
Water heater
Building Type:
N/A
Renewing existing certifications
Valuation:
$0
Permit #:
NB2025-0055
Status:
issued
Fee:
$354
Permit Type:
N/A
Building Type:
N/A
Renewing existing certification
Valuation:
N/A
Permit #:
NB2025-0031
Status:
issued
Fee:
$354
Permit Type:
N/A
Building Type:
N/A
Upgrade existing sub-panel to 200amp 3ph and install (16) ev charging stations on existing 75kva transformer
Valuation:
N/A
Permit #:
ELE2017-01736
Status:
final
Fee:
N/A
Permit Type:
Electrical permit
Building Type:
N/A
Renewal
Valuation:
N/A
Permit #:
NB2025-0082
Status:
applied
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
400 amp panel
Valuation:
N/A
Permit #:
ELE24-0192
Status:
complete
Fee:
$289
Permit Type:
Alteration remode...
Building Type:
N/A
Title 24 plan check only for changes to lighting system per inspector request. original permit issued under 13041-10000-32986. original permit work description: (((replace lighting fixtures install sign power and window air conditioning outlet. )))
Valuation:
N/A
Permit #:
14041-10000-00770
Status:
approved
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Replace lighting fixtures install sign power and window air conditioning outlet. *investigation fee included* comply with department order effective 11/19/13. permit will expire 30 days from issuance date
Valuation:
N/A
Permit #:
13041-10000-32986
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Changes to: new 29, 880 sf concrete tilt up (2-story) warehouse/office/storage. warhouse=23244 sf office= 2314 sf storage=2762 sf. changes include: addition of some branch circuits to panel a. revise panel schedule and floor plan to match construction
Valuation:
N/A
Permit #:
05041-10004-07278
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Changes to: new 29, 880 sf concrete tilt up (2-story) warehouse/office/storage. warhouse=23244 sf office= 2314 sf storage=2762 sf. changes include: feeds from mcp to defrost heters pumps and motors for freezers
Valuation:
N/A
Permit #:
05041-10002-07278
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Main panel upgrade to 200a *subject to field inspection*
Valuation:
N/A
Permit #:
00695509-MISR
Status:
final
Fee:
$48
Permit Type:
N/A
Building Type:
N/A
Tenant improvmt electrical tenant improvement of existing electrical lighting and power in existing building
Valuation:
$92,000
Permit #:
B12-000-491
Status:
final
Fee:
$573
Permit Type:
Mixed use
Building Type:
N/A
Supplemental permit to collect fees for (1) additional inspection(s) per inspector dated 10/19/2007. this permit does not authorize any additional work or extend the expiration date of the original permit
Valuation:
N/A
Permit #:
05041-10005-07278
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Changes to: new 29, 880 sf concrete tilt up (2-story) warehouse/office/storage. warhouse=23244 sf office= 2314 sf storage=2762 sf. changes include: new 1200 a service and 2 new compressors
Valuation:
N/A
Permit #:
05041-10001-07278
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Upgrade 100 amp 120/240v 1ph meter
Valuation:
N/A
Permit #:
PMT2023-00293
Status:
final
Fee:
$244
Permit Type:
N/A
Building Type:
N/A
New 100a electrical panel upgrade
Valuation:
N/A
Permit #:
16041-10000-06295
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
ERJ Inc License info
Verified License
| License # | 570197 |
| Status | Active |
| State | California |
| Type | Electrical |
| Business Type | Corporation |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for ERJ Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 862730 |
| Status | Inactive |
| State | California |
| Type | Electrical |
| Business Type | Corporation |
- 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 ERJ Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
100
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Security National Insurance Company |
57
Permits
- Building permit records show that ERJ Inc has worked on 57 permitted projects.
ERJ Inc Employees
CC
Chih-Shen Chen
Officer
JY
Jui Yu Young
Rmo / Ceo / Pres
JY
Jui Yu Young
Rmo / Ceo / Pres
JY
Jui-Yu Young
Rmo / Ceo / Pres