Updated: May 02, 2026
Location and Projects
Address
706 BIG FALLS DRIVE, Diamond Bar, CA, 91765
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Ray Electrical Engineering Inc
Ray Electrical Engineering Inc, 706 Big Falls Dr, Diamond Bar, CA (Employees: Fengguang Hao, Lei Wang, and Lei Wang) holds a Electrical license according to the California license board.
Their BuildZoom score of 104 ranks in the top 9% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Ray Electrical Engineering Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Ray Electrical Engineering Inc Contact Information
Phone Number: (626) 559-9532
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Address: 706 BIG FALLS DRIVE, Diamond Bar, CA 91765
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Ray Electrical Engineering Inc Diamond Bar
Quality
104
91st percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Ray Electrical Engineering Inc has a BuildZoom score of 104, which places them above 91% of 336,931 contractors in California.
Activity
|
11 projects
|
2025 |
|
2 projects
|
2024 |
|
1 project
|
2023 |
Our building permit records indicate that Ray Electrical Engineering Inc has worked on at least
14.0 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
|
14 projects
|
Electrical projects |
Analyzing permits over the last 4 years shows that Ray Electrical Engineering Inc mostly works on
electrical project
projects.
Pricing
|
4 projects
|
< $5k |
|
1 project
|
$5k-$20k |
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 Ray Electrical Engineering Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Supplemental permit to #25041-90000-14941 to addition units to the address: units 3 4 6 10 & 28
Valuation:
N/A
Permit #:
25041-10001-14941
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Install 200amp dual meter panel; will have 2 separate meters each meter 100 amp
Valuation:
N/A
Permit #:
25041-90000-11553
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Upgrade to dual gang meter with 2 panels (100 amp each 200 amp total)
Valuation:
N/A
Permit #:
24041-10001-55439
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Alternate electrical routes for moved-in new commerce
Valuation:
N/A
Permit #:
25041-90000-07773
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Install exit sign & linear strip light
Valuation:
$10,000
Permit #:
BPA25-1335
Status:
triage
Fee:
N/A
Permit Type:
Industrial
Building Type:
N/A
Replacing sub panels in units 1-10
Valuation:
N/A
Permit #:
25041-30000-20495
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Upgrade panel to 200 amp service
Valuation:
$0
Permit #:
E24-46441
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
200 amp service panel upgrade
Valuation:
$2,000
Permit #:
ELEC25-0032
Status:
issued
Fee:
$93
Permit Type:
Service panel
Building Type:
N/A
(8) new branch circuits
Valuation:
N/A
Permit #:
25041-10000-24116
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Replace in door panel
Valuation:
N/A
Permit #:
25041-90000-14941
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Upgrade existing 100 amp to 200amp panel same location
Valuation:
$1,000
Permit #:
B202506534
Status:
final
Fee:
$277
Permit Type:
N/A
Building Type:
N/A
Electrical service upgrade to 200amps. smoke and carbon alarm required for final
Valuation:
N/A
Permit #:
B20-0552
Status:
final
Fee:
$213
Permit Type:
N/A
Building Type:
N/A
Msp upgrade to 200 amp. sce tagged and approved. same location
Valuation:
N/A
Permit #:
E23-00344
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Upgrade to 200amp panel
Valuation:
$3,500
Permit #:
BPA25-2027
Status:
complete
Fee:
N/A
Permit Type:
Residential
Building Type:
N/A
Upgrade electrical panel to 200 amp service
Valuation:
$0
Permit #:
E21-41720
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install smoke alarms
Valuation:
N/A
Permit #:
22041-90000-49608
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Upgrade t0 200 amp electrical main panel
Valuation:
$0
Permit #:
E21-40540
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Upgrade t0 200 amp electrical main panel
Valuation:
$0
Permit #:
E21-40539
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Update electrical panel 200 amp
Valuation:
N/A
Permit #:
23041-10000-65807
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Upgrade to 200amp panel
Valuation:
N/A
Permit #:
24041-90000-55439
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
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Ray Electrical Engineering Inc Reviews
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Verified License
BuildZoom confirmed this contractor's license
Ray Electrical Engineering Inc License info
Verified License
| License # | 1039207 |
| Status | Active |
| State | California |
| Type | Electrical |
| Business Type | Corporation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Ray Electrical Engineering Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
104
BuildZoom Score
Bonded
| Bonded Agent | Western Surety Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
25
Permits
- Building permit records show that Ray Electrical Engineering Inc has worked on 25 permitted projects.
Ray Electrical Engineering Inc Employees
FH
Fengguang Hao
Rmo
LW
Lei Wang
Ceo / President
LW
Lei Wang
Ceo / President
LW
Lin Yeung Wu
Rmo
YX
Ying Xu
Officer
YX
Ying Xu
Officer