Rita Chang
R C Realty Corp.
(626) 469-5745
31 Total Sales
1 in Walnut
$1,150,000 Price
21022 Cornerstone Dr Walnut, CA 91789
Walnut AreaEstimated Value: $969,088
4
Beds
3.5
Baths
1,830
Sq Ft
0.4
Acre Lot
Highlights
- 2 Car Attached Garage
- Living Room
- Central Heating and Cooling System
- Vejar Elementary School Rated A
- Laundry Room
About This Home
As of August 2026- Welcome to this immaculate, light-filled 3-story modern condo built in 2018, situated in one of the most desirable neighborhoods in Walnut! Offering a spacious, contemporary layout with 1,830 sq. ft. of comfortable living space, this home perfectly balances luxury, low-maintenance living, and unbeatable educational convenience. Highlights & Features: Unbeatable Educational Location: Ideally located within short walking distance to top-ranked Walnut High School (~5 8 min walk) and Suzanne Middle School (~10 min walk) in the highly coveted Walnut Valley Unified School District. Bright & Open Living Space: The main level features an expansive open-concept floor plan with sleek wood-look flooring, recessed lighting, and large windows that flood the home with natural sunlight. Gourmet Chef's Kitchen: Stylish white cabinetry, elegant quartz countertops, tile flooring, a large prep island with pendant lighting, and high-end stainless steel appliances (gas range, microwave, and dishwasher). 4 Bedrooms & 3 Full Baths: Flexible multi-level layout featuring 4 full bedrooms and 3 full bathrooms perfect for family living, multi-generational needs, or setting up a dedicated home office. Modern Comforts & Outdoor Space: Features a private balcony for relaxing outdoors, central A/C and heating, inside laundry hookups, and a spacious attached 2-car garage. Prime Neighborhood Convenience: Tucked into a quiet, high-demand community close to Mt. San Antonio College, local parks, target shopping, dining centers, and major freeway access. Listing provided by: Wang, David of Country Bridge Realty LA State License 01458663 Listing posted by Gary Cole [SYNDID 4172762 08192026]
Last Agent to Rent the Property
Country Bridge Realty Brokerage Phone: 6267054885 License #01263424 Listed on: 08/03/2026
Last Renter's Agent
Country Bridge Realty Brokerage Phone: 6267054885 License #01263424 Listed on: 08/03/2026
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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
- 1,830 Sq Ft Home
- 3-Story Property
- Living Room
- Laundry Room
Bedrooms and Bathrooms
- 4 Bedrooms | 3 Main Level Bedrooms
Additional Features
- 1 Common Wall
- Central Heating and Cooling System
Listing and Financial Details
- Security Deposit $4,100
- 12-Month Minimum Lease Term
- Available 8/3/26
- Tax Lot 43
- Tax Tract Number 73294
- Assessor Parcel Number 8720047085
Community Details
Overview
- Property has a Home Owners Association
- 100 Units
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
Nov 15, 2021
Closed on
Oct 28, 2021
Sold by
Hsieh Cathy Y
Bought by
Seller's Agent
David Wang
Country Bridge Realty
Buyer's Agent
Anna Tsai
High Ten Partners Inc
Sold Price
$3,650
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
$965,438
Avg. Annual Appreciation
3.02%
Original Mortgage
$380,000
Interest Rate
2.28%
Mortgage Type
New Conventional
Purchase Details
Closed on
May 5, 2017
Sold by
Shea Homes Limited Partnership
Bought by
Hsieh Cathy Y
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$600,000
Interest Rate
4.03%
Mortgage Type
New Conventional
Home Values in the Area
Average Home Value in this Area
Agents Specializing in Walnut, CA
-
Rita Chang
-
Tony Hong
Tony Hong
Real Broker
(657) 500-0847
17 Total Sales
1 in Walnut
$2,055,000 Price
-
Lawrence Renteria
Lawrence Renteria
Re/Max Top Producers
(909) 378-9971
31 Total Sales
1 in Walnut
$950,000 Price
-
Kitty Ho
Kitty Ho
Wetrust Realty
(626) 784-7203
104 Total Sales
1 in Walnut
$1,780,000 Price
-
Shawn Luong
Shawn Luong
eXp Realty of Greater Los Angeles
(626) 602-7248
35 Total Sales
3 in Walnut
$725K - $1.6M Price Range
-
Crystal Huan Wang
Crystal Huan Wang
ReMax 2000 Realty
(626) 869-5461
62 Total Sales
2 in Walnut
$1.5M - $1.6M Price Range
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 |
|---|---|---|---|
| $757,500 | Fntg Builder Services |
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 |
|---|---|---|---|
| Open | $600,000 |
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 |
|---|---|---|---|---|---|
| 08/24/2026 08/24/26 | Off Market | $4,100 | -- | -- | |
| 08/18/2026 08/18/26 | For Rent | $4,100 | +12.3% | -- | |
| 12/15/2021 12/15/21 | Rented | $3,650 | -99.6% | -- | |
| 12/09/2021 12/09/21 | Under Contract | -- | -- | -- | |
| 11/20/2021 11/20/21 | Sold | $839,000 | 0.0% | $423 / Sq Ft | View Prior Sale |
| 11/15/2021 11/15/21 | For Rent | $3,650 | 0.0% | -- | |
| 10/05/2021 10/05/21 | Pending | -- | -- | -- | |
| 09/29/2021 09/29/21 | For Sale | $839,000 | 0.0% | $423 / Sq Ft | |
| 05/02/2019 05/02/19 | Rented | $3,090 | 0.0% | -- | |
| 04/20/2019 04/20/19 | Price Changed | $3,090 | -1.9% | $2 / Sq Ft | |
| 04/06/2019 04/06/19 | Price Changed | $3,150 | -3.1% | $2 / Sq Ft | |
| 03/28/2019 03/28/19 | For Rent | $3,250 | +5.2% | -- | |
| 04/20/2018 04/20/18 | Rented | $3,090 | 0.0% | -- | |
| 04/05/2018 04/05/18 | Price Changed | $3,090 | -5.2% | $2 / Sq Ft | |
| 04/02/2018 04/02/18 | For Rent | $3,260 | -- | -- |
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 | $11,028 | $908,157 | $568,059 | $340,098 |
| 2025 | $11,028 | $890,351 | $556,921 | $333,430 |
| 2024 | $10,506 | $872,894 | $546,001 | $326,893 |
| 2023 | $10,246 | $855,780 | $535,296 | $320,484 |
| 2022 | $10,032 | $839,000 | $524,800 | $314,200 |
| 2021 | $9,727 | $812,192 | $268,050 | $544,142 |
| 2019 | $9,400 | $788,103 | $260,100 | $528,003 |
| 2018 | $9,112 | $772,650 | $255,000 | $517,650 |
Source: Public Records
Agents Affiliated with this Home
-
David Wang
DW
Landlord's Agent in 2021
David Wang
Country Bridge Realty
(909) 706-5678
7 Total Sales
-
David Sun
DS
Seller's Agent in 2021
David Sun
Paradace Corporation
(310) 776-5673
2 Total Sales
-
AT
Buyer's Agent in 2021
Anna Tsai
High Ten Partners Inc
Map
Source: California Regional Multiple Listing Service (CRMLS)
MLS Number: TR26169647
APN: 8720-047-085
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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