Public Facts
$888,000
Last sold Sep 16, 2025
4
Beds
3
Baths
1,760
Sqft
Off Market
Off Market
$983,000 estimated value
$983,000 estimated value
Built in 2018
Built in 2018
$559/sqft
$559/sqft
17,451 lot sqft
17,451 lot sqft
$305 HOA fees
$305 HOA fees
Property characteristics
Property type
Residential
Zoning type
Condominium
APN
8720-047-129
Subdivision
Gallery At Cornerstone
Heating
Central
Cooling
Yes
Property History
Over the last 12 months, the sales price of 20956 Cornerstone Dr Walnut, CA 91789 has increased by 0%, and the tax increased by 5%.
Price History
| Year | Price | Price/Sq Ft | |
|---|---|---|---|
| 2026 | $ 969,000 | 0 % | $ 551 |
| 2025 | $ 965,000 | -6 % | $ 548 |
| 2024 | $ 1,034,000 | 4 % | $ 588 |
| 2023 | $ 988,000 | 2 % | $ 561 |
| 2022 | $ 967,000 | 29 % | $ 549 |
| 2021 | $ 749,000 | ---- | $ 426 |
Tax History
| Year | Taxes | Assesments | |
|---|---|---|---|
| 2025 | $ 9,512 | 5 % | $ 762,340 |
| 2024 | $ 9,031 | 2 % | |
| 2023 | $ 8,807 | 2 % | $ 732,739 |
| 2022 | $ 8,623 | 1 % | $ 718,372 |
| 2021 | $ 8,461 | ---- | $ 704,287 |
Owner
Clara Kim , Age 37
People Living at 20956 Cornerstone Dr Walnut, CA
May F Wong
Prior addresses: 16237 Workman ST, La Puente, CA 91744-4746
Clarence Bik Wong , Age 74
Lives at
227 Roma Ct, Walnut, CA 91789-0946
Prior addresses: 12115 Foster Rd, Unit 3, Norwalk, CA 90650-8735
1648 W 213th ST, Torrance, CA 90501-2920
1076 Via La Paz, San Pedro, CA 90732-2307
Lifen Hou Chang , Age 68
Prior addresses: 14430 Strawberry Ln, Apt 4, Gardena, CA 90247-5974
20958 Cornerstone Dr, Walnut, CA 91789-2567
20956 Cornerstone DR, Walnut, CA 91789-2567
Neighbors
The community and neighborhood dynamics can have an effect on your property. We encourage you to engage with the local community at 20956 Cornerstone Dr Walnut, CA and explore the neighborhood to get a sense of the environment.
You can see properties surrounding 20956 Cornerstone Dr Walnut, CA at [34.017406,-117.848456]
FAQs
Is this property currently for sale?
The property is not for sale and last sold for $888,000 on Sep 16, 2025. Use USPhoneBook to review nearby listings or compare similar homes in the area.
What is the estimated value of this property?
The estimated value is $983,000, reflecting a 0% change over the past year. You can explore price history and tax records to see how the value has changed over time.
How big is this property?
It features approximately 1,760 sq ft of living space on a 17,451 sq ft lot, built in 2018 and classified as a Condominium.
What nearby properties can I compare this to?
We currently do not have enough nearby property data to provide comparisons for this location.