Updated: Apr 29, 2026
Location and Projects
Address
286 GATEWAY DRIVE, Pacifica, CA, 94044
Use our bidding system to
request a quote
3j&z Electrician
3j&z Inc, 286 Gateway Dr, Pacifica, CA (Employees: Junling Zeng and Junling Zeng) holds a Electrical license according to the California license board.
Their BuildZoom score of 108 ranks in the top 5% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring 3j&z Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
3j&z Inc Contact Information
Phone Number: (415) 568-0719
Edit
Address: 286 GATEWAY DRIVE, Pacifica, CA 94044
Edit
Do you work for this business? Unlock this free profile to update company info and see who's viewing your profile.
3j&z Inc Pacifica
Quality
108
95th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
3j&z Inc has a BuildZoom score of 108, which places them above 95% of 336,931 contractors in California.
Activity
|
15 projects
|
2025 |
|
21 projects
|
2024 |
|
10 projects
|
2023 |
Our building permit records indicate that 3j&z Inc has worked on at least
46.0 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
|
3 projects
|
Home Additions |
|
45 projects
|
Electrical projects |
Analyzing permits over the last 4 years shows that 3j&z Inc mostly works on
electrical project
and home addition
projects.
Pricing
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.
Main service panel upgrade for #126 and #128. remove 2 (e) 100a panel from right side of garage. install 2 (n) 200a msp in front of house. field revision: new dual 100 amp unipack. per inspector ry (iss 06.13.25)
Valuation:
$5,000
Permit #:
MEP-2025-296966
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Relocated the sub-panel to the hallway install an ev charge on the garage install a dedicated circuit for heater on the bedroom
Valuation:
N/A
Permit #:
EW202505096311
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
The pg&e requires reinspection on the previous electrical permit # ew202010201142 to reconnect the power
Valuation:
N/A
Permit #:
EW202501313879
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Online electrical permit: category 4a: installation of fire warning and controlled devices of up to 2, 500 ft². repair outside 100a service main panel and one sub-panel on the garage
Valuation:
N/A
Permit #:
E202401252044
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace the existing 200a 7-meter overhead panel and install a temporary 100a panel on the front of the building for the construction
Valuation:
N/A
Permit #:
EW202507178066
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Upgrade to a 400a 6-meter overhead panel and install a temporary panel on the front of the building for the construction
Valuation:
N/A
Permit #:
EW202509189502
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Upgrade 400 amps 1 phase 3 wires overhead panel 3 units are 80 amps for each 100 amps for commercial 60 amps for house total 5 meters
Valuation:
N/A
Permit #:
EW202208195451
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Change the existing 200a panel install two ev chargers in the garage and addition 14 receptacles
Valuation:
N/A
Permit #:
EW202510210261
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Upgrade to a 200a overhead panel and install a 200a subpanel and one ev charger in the garage
Valuation:
N/A
Permit #:
EW202509159419
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
To do electrical repairs at a single famly house and see scope of work below: to repair 6 ceiling lights at living room. to addition 1 switch at living room. to addition 7 outlet duplex at living room. to addition 7 outlet duplex at bedroom. 6 lights 1 switch 14 receptalces
Valuation:
N/A
Permit #:
E202006238595
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Upgrade 200a overhead panel
Valuation:
N/A
Permit #:
EW202412213162
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New comercial electrical for unit ref#e201804272755 (unit#3) for final inspection
Valuation:
N/A
Permit #:
E202306057255
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
1 addition 1 sub-panel on garage 2 repair breaker for kitchen addition 2 more circuits for washing machine and dryer ensure that all circuits with code
Valuation:
N/A
Permit #:
EW202104064673
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Upgrade 400 amps overhead server panel 6 for original units 3 for adu new meter 1 for house total 10 meters
Valuation:
N/A
Permit #:
EW202205143508
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Upgrade 200a overhead service panel
Valuation:
N/A
Permit #:
EW202411052273
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Upgrade 200 amps overhead main panel and install one ev charge
Valuation:
N/A
Permit #:
EW202301248548
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Rewire store. (ref. #ew202206134067 for previous work)
Valuation:
N/A
Permit #:
E202305096724
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Combined with the building permit #201901220841 to do the electrical work
Valuation:
N/A
Permit #:
EW202410041572
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remodel unit #4: 1 living room 2 bedrooms 2 bathrooms 1 kitchen 1 laundry
Valuation:
N/A
Permit #:
EW202112010034
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
BLD2025-00489
Status:
final
Fee:
$276
Permit Type:
N/A
Building Type:
N/A
Similar Contractors See more
License # 1038922
Discovery Bay, CA
142
BZ Score
$3.2K
Avg Project
-
Projects
143
BZ Score
$22.5K
Avg Project
-
Projects
140
BZ Score
$999
Avg Project
-
Projects
3j&z Inc Reviews
BuildZoom hasn't received any reviews for 3j&z Inc. Click here to be alerted when reviews are posted about them.
Recent Buildzoom Projects
Let us find you an electrician in your area today
We'll search our vast network of Electricians and connect
you with one that meets your needs today.
Verified License
BuildZoom confirmed this contractor's license
3j&z Inc License info
Verified License
| License # | 1048944 |
| Status | Active |
| State | California |
| Type | Electrical |
| Business Type | Corporation |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for 3j&z Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
108
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Farm General Insurance Company |
100
Permits
- Building permit records show that 3j&z Inc has worked on 100 permitted projects.
3j&z Inc Employees
JZ
Junling Zeng
Rmo / Ceo / Pres
JZ
Junling Zeng
Rmo / Ceo / Pres