Updated: Apr 04, 2026
Location and Projects
Address
19544 PARSONS AVE, Castro Valley, CA, 94546
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Tang S Electric
Tang S Electric, 19544 Parsons Ave, Castro Valley, CA (Owned by: Zi Chao Tang) holds a Electrical license and 2 other licenses according to the California license board.
Their BuildZoom score of 98 ranks in the top 16% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Tang S Electric, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Tang S Electric Contact Information
Phone Number: (510) 931-9178
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Address: 19544 PARSONS AVE, Castro Valley, CA 94546
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Tang S Electric Castro Valley
Quality
98
84th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Tang S Electric has a BuildZoom score of 98, which places them above 84% of 336,931 contractors in California.
Activity
|
2 projects
|
2023 |
Our building permit records indicate that Tang S Electric has worked on at least
2.0 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.
Pricing
|
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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Upgrade electrical service to 200a 240/120v sing phase. hook up existing main panel circuits to new service main panel
Valuation:
N/A
Permit #:
B2022-02967
Status:
issued
Fee:
$127
Permit Type:
N/A
Building Type:
N/A
Install 240v 40a circuit and outlet for new electric range
Valuation:
N/A
Permit #:
B2023-01036
Status:
final
Fee:
$127
Permit Type:
N/A
Building Type:
N/A
Install ev charging station on exterior front next to driveway
Valuation:
N/A
Permit #:
B2018-02710
Status:
final
Fee:
$127
Permit Type:
N/A
Building Type:
N/A
Main panel upgrade to 200a with (2) meter sockets and (2) 100a breakers for 286 & 288 bristol blvd; install (2) 100a subpanels below main panel; hook up (e) circuits to panels; and install (2) bollards
Valuation:
$7,530
Permit #:
BRELEC-23-0116
Status:
final
Fee:
$498
Permit Type:
N/A
Building Type:
N/A
Install a subpanel next to the (e) main panel in garage. install 3 outlets 3 circuits two ceiling lights & 1 switch in ground fl for a storage room install 4 outlets in two bedrooms & living room at 1st fl
Valuation:
$0
Permit #:
E201602295202
Status:
COMPLETED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install a subpanel next to the (e) main panel in garage. install 3 outlets 3 circuits two ceiling lights & 1 switch in ground fl for a storage room install 4 outlets in two bedrooms & living room at 1st fl
Valuation:
N/A
Permit #:
E201602295202
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
(re) - electrical - 1 & 2 unit residential (building)
2017-11-17
200amp main service panel upgrade and relocation (3ft away new location set outside on side of home) with rewiring (8) circuits for single family dwelling. 10-3-17 addition vehicle charger at rear wall of single family dwelling
Valuation:
N/A
Permit #:
RE1703456
Status:
final
Fee:
$406
Permit Type:
N/A
Building Type:
N/A
Message contractor 200amp main service panel upgrade and relocation (3ft away new location set outside on side of home) with rewiring (8) circuits for single family dwelling
Valuation:
N/A
Permit #:
RE1703456
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace subpanel addition a receptacle in living. bedroom 7 laundry. addition dryer receptacle
Valuation:
N/A
Permit #:
RE1604453
Status:
final
Fee:
$260
Permit Type:
N/A
Building Type:
N/A
(re) - electrical - 1 & 2 unit residential (building)
2017-08-16
200 amp service upgrade reconnect circuits addition recessed lighting
Valuation:
N/A
Permit #:
RE1702158
Status:
final
Fee:
$486
Permit Type:
N/A
Building Type:
N/A
Install receptacle switches and fan/light combination unit for 1/2 bathroom 1 light 2 switches 1 receptacle 1 fan
Valuation:
$0
Permit #:
E201601084013
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
To renew expired permit e200710112294 done by the same contractor for final inspection only. all work is complete
Valuation:
$0
Permit #:
E201401166692
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Electrical: replace 80 amp sub-panel in basement, 8 circuit feeders, 1 fluor, 1 switch, 6 receptacles.
Valuation:
N/A
Permit #:
RE1400159
Status:
issued
Fee:
$198
Permit Type:
N/A
Building Type:
N/A
Install 240v 32a car charger
Valuation:
$0
Permit #:
B2016-00112
Status:
Finaled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Rewire & install sub-feeder & panel in basement. install breakers & grounding
Valuation:
N/A
Permit #:
B2019-01783
Status:
final
Fee:
$209
Permit Type:
N/A
Building Type:
N/A
Ground garage level: conduit; per inspector osha ashworth: to comply with correction notice for final inspection; wiring correction in garage ( 10 circuits 4 conduits from subpanel to junction box) (note: 1 inspection only)
Valuation:
N/A
Permit #:
E200904299148
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install receptacle switches and fan/light combination unit for 1/2 bathroom 1 light 2 switches 1 receptacle 1 fan
Valuation:
N/A
Permit #:
E201601084013
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
(e) - electrical - 3+ residential units or commercial (building)
2019-05-30
Suite 6336: replace sub panel in existing restaurant (m&s kitchen)
Valuation:
N/A
Permit #:
E1901495
Status:
final
Fee:
$207
Permit Type:
N/A
Building Type:
N/A
2 subpanels, lights, switches, receptacles, dw's disp, fans for duplex
Valuation:
N/A
Permit #:
RE1302239
Status:
issued
Fee:
$526
Permit Type:
N/A
Building Type:
N/A
Bupgrade electrical service to 240/120v 125amp single phase (rh) install one subpanel in haway inside the house and insall one subpanel in garage
Valuation:
N/A
Permit #:
B16-03175
Status:
final
Fee:
$317
Permit Type:
Residential
Building Type:
N/A
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Tang S Electric Reviews
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Verified License
BuildZoom confirmed this contractor's license
Tang S Electric License info
Verified License
| License # | 661361 |
| Status | Active |
| State | California |
| Type | Electrical |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Tang S Electric at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 5103861728 |
| Status | Active |
| City | Richmond |
| Type | Contractor, Electrical |
| Business Type | Sole Ownership |
- When BuildZoom last verified this license, it had an expiration date of December, 2016. Check the current license status of Tang S Electric with the The City of Richmond, CA
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 812575 |
| Status | Inactive |
| State | California |
| Type | Plumbing |
| Business Type | Sole Ownership |
- 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 Tang S Electric at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
98
BuildZoom Score
Bonded
| Bonded Agent | Suretec Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
80
Permits
- Building permit records show that Tang S Electric has worked on 80 permitted projects.
Tang S Electric Employees
HT
Hoan Chau Tang
Sole Owner
ZT
Zi Chao Tang
Sole Owner
ZT
Zi Chao Tang
Owner