Report Results for

21050 Cornerstone Dr Walnut, CA

21050 Cornerstone Dr Walnut, CA 91789 was built in 2018 and last sold for $764,500. The property has a lot size of 19,947 Sq Ft lot and is listed as a Condominium. The property is currently not for sale. Current estimates place the value near 997,000, reflecting a -2% change over the past year, with 4 beds, 3 baths, and approximately 1,830 sq ft of living space. If you are looking to buy or rent a property, use USPhoneBook's property database to avoid rental scams, understand tax liabilities, and get a sense of the property's value over time. You can also check out the neighborhood section and see nearby homes, last sold for prices, tax records and more.
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Public Facts

$764,500
Last sold Jun 2, 2025
4
Beds
3
Baths
1,830
Sqft
Off Market
$997,000 estimated value
Built in 2018
$545/sqft
19,947 lot sqft
$276 HOA fees

Property characteristics

Property type
Residential
Zoning type
Condominium
APN
8720-047-140
Heating
Central
Cooling
Yes

Property History

Over the last 12 months, the sales price of 21050 Cornerstone Dr Walnut, CA 91789 has decreased by -2%, and the tax increased by 5%.

Price History

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Year Price Price/Sq Ft
2026 $ 964,000 -2 % $ 527
2025 $ 989,000 -8 % $ 540
2024 $ 1,084,000 6 % $ 592
2023 $ 1,016,000 12 % $ 555
2022 $ 900,000 12 % $ 492
2021 $ 803,000 ---- $ 439

Tax History

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Year Taxes Assesments
2025 $ 10,599 5 % $ 852,810
2024 $ 10,091 2 % $ 836,089
2023 $ 9,841 2 % $ 819,696
2022 $ 9,636 1 % $ 803,624
2021 $ 9,457 ---- $ 787,868
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Owner

People Living at 21050 Cornerstone Dr Walnut, CA

Yichen Ma Yichen Ma , Age 31

Lives at 10803 Hesby St, Unit 104, North Hollywood, CA 91601-5159 North Hollywood CA 91601 10803 Hesby St, Unit 104
Prior addresses: 3620 3rd AVE, Los Angeles, CA 90018-4245 Los Angeles CA 90018 3620 3rd AVE 21050 Cornerstone DR, Walnut, CA 91789-2571 Walnut CA 91789 21050 Cornerstone DR 11036 Cedarcrest WAY, San Diego, CA 92121-4135 San Diego CA 92121 11036 Cedarcrest WAY
Relatives: Ma Li


Neighbors

21052 Cornerstone Dr
Walnut, CA


21056 Cornerstone Dr
Walnut, CA

21040 Cornerstone Dr
Walnut, CA

FAQs

Who lives at 21050 Cornerstone Dr, Walnut, CA 91789?
According to our records, the current person living in 21050 Cornerstone Dr is Tairan Wang.
Is this property currently for sale?
The property is not for sale and last sold for $764,500 on Jun 2, 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 $997,000, reflecting a -2% 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 1,830 sq ft of living space on a 19,947 sq ft lot, built in 2018 and classified as a Condominium.
What nearby properties can I compare this to?
Nearby homes include 21052 Cornerstone Dr, , and 21056 Cornerstone Dr, each with its own property report to help compare size, value, and residents.