Oliver Yang
Cubemax International Corp.
(909) 443-2351
33 Total Sales
1 in Walnut
$3,688,800 Price
20980 Cornerstone Dr Walnut, CA 91789
Walnut AreaEstimated Value: $957,178
3
Beds
3.5
Baths
1,760
Sq Ft
0.4
Acre Lot
Highlights
- Attic
- Balcony
- Family Room Off Kitchen
- Vejar Elementary School Rated A
- Open to Family Room
- 2 Car Attached Garage
About This Home
As of August 2026Stunning, move-in-ready 3-story contemporary townhome built by Shea Homes in 2018, located in the heart of Walnut! Situated in the exclusive and quiet 31-unit Cornerstone community, this bright and airy home features 3 bedrooms, 3.5 bathrooms, and 1,760 sq. ft. of modern living space with an open-concept design.
Main level offers a highly desirable bedroom and full bathroom—perfect for guests, multigenerational living, or a private home office. Second level boasts an expansive living area flooded with natural light, a convenient powder room (half bath), and a gourmet chef's kitchen complete with a massive center island, sleek countertops, and an included refrigerator. Upper level serves as a private sanctuary featuring a luxurious primary suite with a large walk-in closet and en-suite bath, alongside a third bedroom with its own bathroom, and a dedicated individual laundry room (washer/dryer included).
Complete with central A/C and heating, an attached 2-car garage, and great community amenities including a park, playground, and outdoor cooking/BBQ area. Incredibly convenient location close to supermarkets, gas stations, dining, easy freeway access, and just 3 minutes to Walnut High School (top-rated Walnut Valley Unified School District). A must-see!
Last Agent to Rent the Property
Country Bridge Realty Brokerage Phone: 6267054885 License #01263424 Listed on: 06/14/2026
Last Renter's Agent
Country Bridge Realty Brokerage Phone: 6267054885 License #01263424 Listed on: 06/14/2026
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Condo Details
Home Type
- Condominium
Year Built
- Built in 2018
Lot Details
- 0.4
Parking
- 2 Car Attached Garage
Home Design
- Entry on the 1st floor
Interior Spaces
- 1,760 Sq Ft Home
- 3-Story Property
- Family Room Off Kitchen
- Attic
Kitchen
- Open to Family Room
- Kitchen Island
Bedrooms and Bathrooms
- 3 Main Level Bedrooms
Laundry
- Laundry Room
- Laundry on upper level
Schools
- Walnut High School
Additional Features
- Balcony
- Two or More Common Walls
- Central Heating and Cooling System
Listing and Financial Details
- Security Deposit $3,975
- 12-Month Minimum Lease Term
- Available 6/14/26
- Tax Lot 41
- Tax Tract Number 73294
- Assessor Parcel Number 8720047101
Community Details
Overview
- Property has a Home Owners Association
- 31 Units
- Cornerstone HOA, Phone Number (714) 285-2626
Amenities
- Laundry Facilities
Pet Policy
- Call for details about the types of pets allowed
Ownership History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
Date
Name
Owned For
Owner Type
Purchase Details
Listed on
Feb 11, 2025
Closed on
Mar 19, 2025
Sold by
Huang King Jun and Nishimura Chizuru
Bought by
Seller's Agent
Ariel Ma
Latitude 33 Real Estate
Buyer's Agent
Li Sun
IRN Realty
List Price
$920,000
Sold Price
$960,000
Premium/Discount to List
$40,000
4.35%
Views
34
Current Estimated Value
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Estimated Appreciation
-$2,822
Avg. Annual Appreciation
-0.20%
Purchase Details
Closed on
Jun 16, 2020
Sold by
Liu Nun
Bought by
Huang King Jun and Nishimura Chizuru
Purchase Details
Closed on
Feb 23, 2018
Sold by
Shea Homes Lp
Bought by
Liu Nan
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$433,550
Interest Rate
5.12%
Mortgage Type
Adjustable Rate Mortgage/ARM
Home Values in the Area
Average Home Value in this Area
Agents Specializing in Walnut, CA
-
Oliver Yang
-
Shelby Wu
Shelby Wu
Coldwell Banker Realty
(858) 285-4406
45 Total Sales
1 in Walnut
$1,920,000 Price
-
Joe Wang
Joe Wang
INNODUET PROPERTIES
(626) 436-3730
3 Total Sales
2 in Walnut
$1,580,000 Price Range
-
Scott McGookin
Scott McGookin
BHHS CA Properties
(909) 450-8407
7 Total Sales
1 in Walnut
$1,160,000 Price
-
Carole Sturim
Carole Sturim
Coldwell Banker Realty
(949) 518-0408
18 Total Sales
1 in Walnut
$1,100,000 Price
-
Patsy Chan
Patsy Chan
FAIRMATE INC.
(562) 600-9057
14 Total Sales
1 in Walnut
$940,000 Price
Purchase History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Buyer | Sale Price | Title Company |
|---|---|---|---|
| $960,000 | Fidelity National Title | ||
| Huang King Jun | $715,000 | Old Republic Title Company | |
| Liu Nan | $667,000 | Fidelity National Title Grou |
Source: Public Records
Mortgage History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Status | Borrower | Loan Amount |
|---|---|---|---|
| Previous Owner | $400,000 | ||
| Previous Owner | Liu Nan | $433,550 |
Source: Public Records
Property History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Event | Price | List to Sale | Price per Sq Ft | Prior Sale |
|---|---|---|---|---|---|
| 08/20/2026 08/20/26 | Rented | $3,850 | -3.1% | -- | |
| 08/01/2026 08/01/26 | Under Contract | -- | -- | -- | |
| 06/14/2026 06/14/26 | For Rent | $3,975 | 0.0% | -- | |
| 03/24/2025 03/24/25 | Sold | $960,000 | +4.3% | $545 / Sq Ft | View Prior Sale |
| 02/11/2025 02/11/25 | For Sale | $920,000 | +28.7% | $523 / Sq Ft | |
| 08/28/2020 08/28/20 | Sold | $715,000 | 0.0% | $406 / Sq Ft | View Prior Sale |
| 08/09/2020 08/09/20 | Off Market | $715,000 | -- | -- | |
| 08/07/2020 08/07/20 | For Sale | $729,999 | 0.0% | $415 / Sq Ft | |
| 04/01/2019 04/01/19 | Rented | $2,900 | 0.0% | -- | |
| 03/15/2019 03/15/19 | Under Contract | -- | -- | -- | |
| 02/24/2019 02/24/19 | For Rent | $2,900 | -1.7% | -- | |
| 08/10/2018 08/10/18 | Rented | $2,950 | -1.7% | -- | |
| 07/13/2018 07/13/18 | Price Changed | $3,000 | -11.8% | $2 / Sq Ft | |
| 04/06/2018 04/06/18 | For Rent | $3,400 | -- | -- |
Source: California Regional Multiple Listing Service (CRMLS)
Tax History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Year | Tax Paid | Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. | Land | Improvement |
|---|---|---|---|---|
| 2026 | $9,586 | $979,200 | $685,440 | $293,760 |
| 2025 | $9,586 | $773,935 | $467,284 | $306,651 |
| 2024 | $9,116 | $758,761 | $458,122 | $300,639 |
| 2023 | $8,889 | $743,885 | $449,140 | $294,745 |
| 2022 | $8,702 | $729,300 | $440,334 | $288,966 |
| 2021 | $8,619 | $715,000 | $431,700 | $283,300 |
| 2020 | $8,336 | $693,946 | $406,900 | $287,046 |
| 2019 | $8,174 | $680,340 | $398,922 | $281,418 |
| 2018 | $4,620 | $207,210 | $207,210 | $0 |
Source: Public Records
Agents Affiliated with this Home
-
David Wang
DW
Landlord's Agent in 2026
David Wang
Country Bridge Realty
(909) 706-5678
7 Total Sales
-
Ariel Ma
AM
Seller's Agent in 2025
Ariel Ma
Latitude 33 Real Estate
(626) 378-1327
20 Total Sales
-
Fei Li
Seller Co-Listing Agent in 2025
Fei Li
Latitude 33 Real Estate
(949) 353-9999
345 Total Sales
-
Li Sun
Buyer's Agent in 2025
Li Sun
IRN Realty
(626) 679-8357
6 Total Sales
-
MX
Seller's Agent in 2020
Michelle Xie
METRO ASSETS INC.
-
Sitong Liu
SL
Buyer's Agent in 2020
Sitong Liu
Coldwell Banker Dynasty T.C.
(626) 566-2221
24 Total Sales
Map
Source: California Regional Multiple Listing Service (CRMLS)
MLS Number: TR26129902
APN: 8720-047-101
Disclaimer: Certain information contained herein is derived from information provided by parties other than Homes.com. All information provided is deemed reliable, but is not guaranteed to be accurate and should be independently verified.
The multiple listing data appearing on this website, or contained in reports produced therefrom, is owned and copyrighted by California Regional Multiple Listing Service, Inc. ("CRMLS") and is protected by all applicable copyright laws. Information provided is for viewer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties the viewer may be interested in purchasing. All listing data, including but not limited to square footage and lot size is believed to be accurate, but the listing Agent, listing Broker and CRMLS and its affiliates do not warrant or guarantee such accuracy. The viewer should independently verify the listed data prior to making any decisions based on such information by personal inspection and/or contacting a real estate professional.
Based on information from California Regional Multiple Listing Service, Inc. and /or other sources. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by broker or MLS. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information
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