Updated: Dec 03, 2025
Location and Projects
Address
2377 STAR AVE, Castro Valley, CA, 94546
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C S Z Construction Company
C S Z Construction Company, 2377 Star Ave, Castro Valley, CA (Owned by: Can Shuang Zheng) holds a General Building license according to the California license board.
Their BuildZoom score of 93 ranks in the top 27% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring C S Z Construction Company, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
C S Z Construction Company Services
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C S Z Construction Company Contact Information
Phone Number: (510) 717-6236
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Address: 2377 STAR AVE, Castro Valley, CA 94546
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Building Permits by C S Z Construction Company
This is a sample of this contractor's permits. Click here to access their complete permit history.
Kitchen remodel remove and replace appliances like for like move oven to new location in kitchen addition (6) led recessed lights in kitchen addition under cabinet lighting. addition (18) led recessed lights installed in family room dining room living room and den
Valuation:
$2,000
Permit #:
B18-2236
Status:
final
Fee:
$532
Permit Type:
N/A
Building Type:
N/A
Kitchen remodel as per plan 11/30/2018 remove -(re-wire entire home). upgrade service panel 200 amps in same location added scope (n) 220v outlet in garage for future potential ev charger - seperate permit for ev charger required
Valuation:
$22,000
Permit #:
BLD2018-52810
Status:
final
Fee:
$848
Permit Type:
N/A
Building Type:
N/A
Install kitchen sink. provide drainange for concrete lab at rear of property
Valuation:
N/A
Permit #:
PP20201217409
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install kitchen sink provide drainage for concrete slab at rear of property
Valuation:
N/A
Permit #:
PP20201217416
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Tenant improvement for new 600 sq ft nail salon. remove partition walls relocate electrical and install sink. rainbow nails
Valuation:
$15,000
Permit #:
BLDG-2017-00951
Status:
final
Fee:
$1,951
Permit Type:
N/A
Building Type:
N/A
Install garbage disposal
Valuation:
N/A
Permit #:
E20201217897
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install garbage disposal
Valuation:
N/A
Permit #:
E20201217883
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Subdivision of tenant spaces into two smaller spaces -
Valuation:
$35,000
Permit #:
B18-0695
Status:
final
Fee:
$2,601
Permit Type:
N/A
Building Type:
N/A
791 sq. ft rear addition with (n) bedroom bathroom master bed and bathroom (n) family room convert bedroom to 232 sq. ft. garage
Valuation:
$128,650
Permit #:
B19-1275
Status:
final
Fee:
$8,212
Permit Type:
N/A
Building Type:
N/A
Concrete slba 600 sf at backyard. replace kitchen cabinet and sink and floor
Valuation:
$22,500
Permit #:
202012090610
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Repair tampered electrical wiring move the panelfrom existing location 3 feet away
Valuation:
N/A
Permit #:
BIE17-006690
Status:
final
Fee:
$153
Permit Type:
N/A
Building Type:
N/A
Tenant improvement. (n) beauty salon with a reception area; new partition walls for make up/facial rooms; new ada bathroom; room with sink only; new 100 main panel for yuki's beauty
Valuation:
$10,000
Permit #:
B17-1102
Status:
expired
Fee:
$1,047
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
C S Z Construction Company License info
Verified License
| License # | 984433 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of December 2025.
Verify this license's status for C S Z Construction Company at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
93
BuildZoom Score
Bonded
| Bonded Agent | Hudson Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
8
Permits
- Building permit records show that C S Z Construction Company has worked on 8 permitted projects.
C S Z Construction Company Employees
CZ
Can Shuang Zheng
Owner