Updated: Jun 18, 2026
Location and Projects
Address
4126 MORELAND DR, Castro Valley, CA, 94546
Use our bidding system to
request a quote
Weiping Su Construction Co
Serving homeowners and property owners throughout Castro Valley and the surrounding East Bay area, Weiping Su Construction Co specializes in residential remodeling and renovation projects. With 17 years of experience in the construction industry, the firm undertakes a range of home improvement services, including kitchen and bathroom updates, room additions, and general interior and exterior remodeling. Projects commonly involve upgrades to existing spaces as well as building new living areas to accommodate changing household needs. The company’s portfolio reflects work on both older homes requiring modernization and newer properties in need of custom enhancements. Known for navigating permitting processes in cities such as Castro Valley and neighboring communities, Weiping Su Construction Co brings established local experience to every project, focusing on the practical needs and goals of Bay Area homeowners.
Weiping Su Construction Co Services
Start a project today:
Weiping Su Construction Co Contact Information
Phone Number: (510) 851-2090
Edit
Address: 4126 MORELAND DR, Castro Valley, CA 94546
Edit
Do you work for this business? Unlock this free profile to update company info and see who's viewing your profile.
Weiping Su Construction Co Castro Valley
Quality
107
94th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Weiping Su Construction Co has a BuildZoom score of 107, which places them above 94% of 336,931 contractors in California.
Activity
|
6 projects
|
2025 |
|
5 projects
|
2024 |
|
7 projects
|
2023 |
Our building permit records indicate that Weiping Su Construction Co has worked on at least
18.0 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
|
5 projects
|
Home Additions |
|
3 projects
|
New Constructions |
|
3 projects
|
Kitchen remodels |
Analyzing permits over the last 4 years shows that Weiping Su Construction Co mostly works on
home addition
and kitchen remodel
projects.
Pricing
|
1 project
|
$5k-$20k |
|
1 project
|
$20k-$50k |
|
1 project
|
$50k-$100k |
|
3 projects
|
$100k-$250k |
The typical size of their permits is approximately $100,000. This graph shows the distribution of these job values.
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 Weiping Su Construction Co
This is a sample of this contractor's permits. Click here to access their complete permit history.
(n) 1000 sq.ft adu -- 4 bedroom with 2 full bathrooms -- ductless mini split heat pump - heat pump waterheater - 100 amp main panel each -
Valuation:
$242,250
Permit #:
BRNEW-23-0002
Status:
complete
Fee:
$35,192
Permit Type:
Duplex triplex
Building Type:
N/A
Construct new detached adu approx 799sqft with 20sqft front porch and 140sqft deck with stairs located at the rear side of backyard. ***field rev sub 1 9/13/24 - curbless shower added in one of bathrooms floor framing updated with 2x4 joists. ramp as part of the deck outside of gridline. windows and doors adjusted*** house address: 826 gray fox cir adu address: 828 gray fox cir
Valuation:
$250,000
Permit #:
B24-0715
Status:
final
Fee:
$26,475
Permit Type:
N/A
Building Type:
N/A
Upgrade main panel to 200a replace water pipe from water meter to house using (n) 3/4 copper pipe and replace water damaged wood under window at front the of the house using 2x6 at 16 inches rev 1 no longer doing previous scope of work only to do main panel upgrade to 200a
Valuation:
$9,000
Permit #:
BRALT-25-0319
Status:
final
Fee:
$833
Permit Type:
Repair
Building Type:
N/A
Convert garage into 514 sq.ft. adu - 2 bedrooms & 1 full bathroom - laundry closet - (n) gas meter & electrical panel for adu - (n) takless water heater for main house
Valuation:
$77,000
Permit #:
B21-1546
Status:
final
Fee:
$4,997
Permit Type:
N/A
Building Type:
N/A
Addtion of 593 sf on the first floor of the existing house. front addition: new master bedroom a walk-in closet and a new bathroom. back addition: new kitchen new nook and new dining. new 233 sf rear patio. new air conditioning and new water heater
Valuation:
N/A
Permit #:
BLD2021-05519
Status:
final
Fee:
$6,025
Permit Type:
N/A
Building Type:
N/A
Landscaping low volatage lighting irrigation electrical circuit with gfci receptacle for future expansion of pond and arbor gas line set up for future expansion of bbq
Valuation:
$20,000
Permit #:
BLDG-2022-02243
Status:
final
Fee:
$946
Permit Type:
N/A
Building Type:
N/A
Main panel upgrade to 200amp to dual meter: 100amp for 3271 anita ct (sfd) 100amp for 3273 anita ct (adu)
Valuation:
N/A
Permit #:
BLD2025-01574
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
1. one-story addition which attached to the rear side of existing primary house. 2. remodel the existing kitchen
Valuation:
$100,000
Permit #:
BL-RPC-2022-00005
Status:
complete
Fee:
$6,977
Permit Type:
N/A
Building Type:
N/A
32 sf garage conversion. relocate washer/dryer and air conditioning replace exterior rear door with window/window to door. 1st floor bathroom to laundry bedroom to dining room & closet replace 2 (e) windows. convert 2nd floor loft to closet. (n) pantry
Valuation:
$42,141
Permit #:
BLDG-2022-02606
Status:
issued
Fee:
$5,049
Permit Type:
N/A
Building Type:
N/A
611 sf attached adu to rear 2 bed 2 bathroom tankless water heater attic furnace new attached 2 car garage 552 sf ev charger
Valuation:
$142,560
Permit #:
B20-2115
Status:
final
Fee:
$7,895
Permit Type:
N/A
Building Type:
N/A
Rev. to b20-2115 - skylights adu and garage relocate kitchen & bathroom windows adu relocate laundry area in garage attic acces relocation in adu
Valuation:
$2,000
Permit #:
B22-0795
Status:
final
Fee:
$494
Permit Type:
N/A
Building Type:
N/A
Rev. to b20-2115 - skylights adu and garage relocate kitchen & bathroom windows adu relocate laundry area in garage attic acces relocation in adu
Valuation:
$2,000
Permit #:
B22-0795
Status:
final
Fee:
$494
Permit Type:
N/A
Building Type:
N/A
Accessory dwelling unit or junior accessory dwelling unit
2023-09-01
739 sf detached adu 1 bedroom 1.5 bathroom (main residence 8527 longford way)
Valuation:
$194,000
Permit #:
BLDG-2022-00029
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
1. one-story addition which attached to the rear side of existing primary house. 2. remodel the existing kitchen
Valuation:
$100,000
Permit #:
BL-RPC-2022-00005
Status:
complete
Fee:
$6,977
Permit Type:
N/A
Building Type:
N/A
Adu address - 936 alice
Valuation:
N/A
Permit #:
BRAAR-25-028
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Zoning code enformecent ref cod 2016-01552 ** 8 month permit only per edward labayog**convert existing detached 414 sq ft guest house to new 636 sq ft accessory dwelling unit (adu) at rear of home. guest house was permitted under bld1956-50640. add/legalize 222 sf and remove 306 sf of unpermitted additions per planning. remodel existing 414 sf. the adu will have 2 bedrooms kitchen/din... see more
Valuation:
N/A
Permit #:
BLD2018-00629
Status:
final
Fee:
N/A
Permit Type:
Simple permit
Building Type:
N/A
851 sq ft. addition to rear of house to include family room two bedrooms two full baths and laundry - convert bedroom into office - replace furnace - new 125 amps main panel -
Valuation:
$127,650
Permit #:
B19-0021
Status:
final
Fee:
$8,525
Permit Type:
N/A
Building Type:
N/A
Addition of family room master bedroom with bathroom and walkin closet (497 sq ft)
Valuation:
$118,300
Permit #:
BLDG-2019-00915
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
689 sq.ft. rear yard addition new bathroom two bedrooms, and a family room. school fees apply
Valuation:
$130,000
Permit #:
201901464
Status:
complete
Fee:
$6,950
Permit Type:
Residential room ...
Building Type:
N/A
Revision to permit bl-rpc-2022-00005: updated drawing no. a-2.0 due to setback distance updates
Valuation:
N/A
Permit #:
BL-RV-2024-00119
Status:
filed
Fee:
$147
Permit Type:
N/A
Building Type:
N/A
Similar Contractors See more
242
BZ Score
$59K
Avg Project
-
Projects
193
BZ Score
$200K
Avg Project
-
Projects
188
BZ Score
$30K
Avg Project
-
Projects
Weiping Su Construction Co Reviews
BuildZoom hasn't received any reviews for Weiping Su Construction Co. 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
Weiping Su Construction Co License info
Verified License
| License # | 1083081 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Weiping Su Construction Co at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 959712 |
| Status | Inactive |
| State | California |
| Type | General Building |
| 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 Weiping Su Construction Co at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
107
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Norguard Insurance Company |
61
Permits
- Building permit records show that Weiping Su Construction Co has worked on 61 permitted projects.
Weiping Su Construction Co Employees
WS
Weiping Su
Rmo / Ceo / Pres
WS
Weiping Su
Owner