Updated: Jun 11, 2026
Location and Projects
Address
P O BOX 34338, San Francisco, CA, 94134
Use our bidding system to
request a quote
Jy Electical Const. Co Electrician
Jy Electical Const. Co Inc, San, Po Box 34338, San Francisco, CA (Employees: Jimmy Jia Ju Yu and Maggie Jiaming Liu) holds a Electrical license and 2 other licenses 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 Jy Electical Const. Co Inc, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Jy Electical Const. Co Inc Contact Information
Phone Number: (415) 559-1567
Address: P O BOX 34338, San Francisco, CA 94134
Building Permits by Jy Electical Const. Co Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Install conduit & wire for a fire alarm devices. provide conduit from disconnects to elevator controllers led lights in elevator machine room provide circuits for group controller & earthquake sensor provide light switches & lights 4 outlets in elevator pits. please note all work is for entire building and there is no designated for common area of dbi permit
Valuation:
N/A
Permit #:
E202509175721
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace main disconnect for elevator replace and install new light fixtures and gfci receptacles in machine room and elevator pit install disconnect for 110v power for elevator car lights install conduit and back box for smoke detectors and recall devices in machine room
Valuation:
N/A
Permit #:
EW202204082658
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace mainline disconnect for three elevator install conduit and wire for heat detectors and relay modules for elevator recall install disconnect switches and dedicated circuits for elevator car light replace existing lights in elevator pit
Valuation:
N/A
Permit #:
EW202104295188
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install conduit wire and j box only for elevator recall
Valuation:
N/A
Permit #:
EW202503034643
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Unit #2. remodel (e) kitchen and bathroom. replace 2 vinyl windows facing to rear yard and 1 kitchen window at lightwell. not street facing. no wall change
Valuation:
$20,000
Permit #:
202111021669
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Replace main disconnect for elevator replace light fixtures in machine room and elevator pit install 110v disconnect for elevator car light install conduit and wire for elevator recall system device in machine room
Valuation:
N/A
Permit #:
EW202105285846
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace 200amp disconnect and install shunt trip breaker for elevator 1, 2, 3, 4, 5. replace two pitt lights and receptacles. install new circuits for machine room lights and receptacles. install dedicated circuits and disconnect for 110v car light. install j box for smoke detector , heat detector and elevator recall relays in machine room from the closest device
Valuation:
N/A
Permit #:
EW202011021436
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace existing wiring in conduit for existing lights switches and receptacles. remove exposed conduit on baseboard and installed new wiring for existing receptacles. finished new wiring for additional circuits for kitchen bathroom and bedroom receptacles. finished new wiring for smoke detectors. replace existing sub panel. all work is for unit #12
Valuation:
N/A
Permit #:
EW202005268009
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
1) replace existing main disconnect and feeders with ground wire for 4 elevator. 2) replace and install new lights fixtures and receptacles for 2 machine room and elevator pit. 3) install 110v disconnect with dedicated circuits for 4 elevator car lights. 4) install dedicated circuits and natural wire for 2 machine room and pit lights and receptacles
Valuation:
N/A
Permit #:
EW202004037507
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install new 400amp 1 phase panel; relocate all existing branch circuits to new panel 400amp main disconnect remains
Valuation:
N/A
Permit #:
B24-1557
Status:
final
Fee:
$151
Permit Type:
N/A
Building Type:
N/A
Install new wiring for receptacles, lights switches and smoke detectors for upstairs install new 200amps main service with (3) meters and panel install new wiring in garage for lights receptacle switches furnace and dryer from house panel
Valuation:
N/A
Permit #:
EW201912025166
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install conduit and wire for all receptacles lights switches exit lights and emergency lights. install sub panel install conduit and wiring to hook up mechanical equipment
Valuation:
N/A
Permit #:
EW202002286975
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
To renew permit number ew201712119814 - install conduit and wire for elevator recall system and smoke guard
Valuation:
N/A
Permit #:
EW202407290157
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
(1) re-pull additional 110v circuits in existing conduit and install disconnect switch for air conditioning unit elevator car light machine room lights and gfci receptacles. (2) re-pull new wire and install new disconnect switch for elevtor feeder from electrical room to machine room. (3) replace existing light fixtures and install two new lights inside machine room. all this work is ... see more
Valuation:
N/A
Permit #:
EW201909053315
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install new 2500amps main service with (64)meters sub feeders and panels. install all new wiring for lighting, receptacles switches smoke detectors and all other equipment provide power for elevator proivde power for all equipment at roof provide power for electric range install tv cable internet and phone cable
Valuation:
N/A
Permit #:
EW201708137299
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Witness testing
Valuation:
N/A
Permit #:
EW202501123409
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Witness testing
Valuation:
N/A
Permit #:
EW202501123410
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace main feeder and disconnect switch for elevator replace and install additional lights in machine room and pit replace gfci receptacles in machine room and pit install conduit and wire for elevator recall system
Valuation:
N/A
Permit #:
EW201909103423
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install new 200amps main service with sub panel install new wiring for all new receptacles lights switches smoke detectors and kitchen and bathroom equipments
Valuation:
N/A
Permit #:
EW202001105917
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
1741: remodel e kitchen and replace e furnace. 1743: remodel e kitchen and bathroom
Valuation:
$36,000
Permit #:
202011209395
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
Jy Electical Const. Co Inc Reviews
BuildZoom hasn't received any reviews for Jy Electical Const. Co Inc. Click here to be alerted when reviews are posted about them.
Recent Buildzoom Projects
Hiring a contractor?
Verified License
BuildZoom confirmed this contractor's license
Jy Electical Const. Co Inc License info
Verified License
| License # | 777162 |
| 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 Jy Electical Const. Co 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 # | 650975 |
| 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.
Check this license's status for Jy Electical Const. Co 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 # | 858740 |
| Status | Inactive |
| State | California |
| Type | General Building |
| 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.
Check this license's status for Jy Electical Const. Co 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 | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
438
Permits
- Building permit records show that Jy Electical Const. Co Inc has worked on 438 permitted projects.
Jy Electical Const. Co Inc Employees
JY
Jimmy Jia Ju Yu
Rmo / Ceo / Pres
ML
Maggie Jiaming Liu
Officer