2. 21020 Cornerstone Dr Walnut CA
21020 Cornerstone Dr Walnut CA

Report Results for

21020 Cornerstone Dr Walnut, CA

21020 Cornerstone Dr Walnut, CA 91789 was built in 2018 and last sold for $709,500. The property has recorded lot details and is listed as a Condominium. The property is currently not for sale. Current estimates place the value near 969,000, reflecting a -3% change over the past year, with 4 beds, 3 baths, and approximately 1,750 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

$709,500
Last sold Jun 19, 2017
4
Beds
3
Baths
1,750
Sqft
Off Market
$969,000 estimated value
Built in 2018
$554/sqft
$305 HOA fees

Property characteristics

Property type
Residential
Zoning type
Condominium
APN
8720-047-086
Subdivision
Gallery At Cornerstone
Heating
Central
Cooling
Yes

Property History

Over the last 12 months, the sales price of 21020 Cornerstone Dr Walnut, CA 91789 has decreased by -3%, and the tax increased by 5%.

Price History

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Year Price Price/Sq Ft
2026 $ 948,000 -3 % $ 542
2025 $ 981,000 -14 % $ 561
2024 $ 1,149,000 24 % $ 657
2023 $ 923,000 6 % $ 527
2022 $ 866,000 12 % $ 495
2021 $ 773,000 ---- $ 442

Tax History

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Year Taxes Assesments
2025 $ 10,150 5 % $ 823,430
2024 $ 9,662 2 % $ 807,285
2023 $ 9,421 2 % $ 791,457
2022 $ 9,223 1 % $ 775,939
2021 $ 9,049 ---- $ 760,725
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Owner

Joseph Chien Joseph Hung Chien , Age 69

Lives at 18410 Stonegate Ln, Rowland Heights, CA 91748-5149
Relatives: Hsiang Chen, Chung Chen, Esther Chan, Hong C, Kang Chien, Mei Chien, Meiyun Chien, Sheng Chen, Stephen Chien
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People Living at 21020 Cornerstone Dr Walnut, CA

Joseph Chien Joseph Hung Chien , Age 69

Lives at 18410 Stonegate Ln, Rowland Heights, CA 91748-5149 Rowland Heights CA 91748 18410 Stonegate Ln
Prior addresses: 21020 Cornerstone Dr, Walnut, CA 91789-2571 Walnut CA 91789 21020 Cornerstone Dr 21022 Cornerstone DR, Walnut, CA 91789-2571 Walnut CA 91789 21022 Cornerstone DR 20994 Divonne DR, Walnut, CA 91789-2525 Walnut CA 91789 20994 Divonne DR
Relatives: Hsiang Chen, Chung Chen, Esther Chan, Hong C, Kang Chien, Mei Chien, Meiyun Chien, Sheng Chen, Stephen Chien
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Brandon Wang Brandon Wang , Age 21

Lives at 232 N Alameda Ave, Azusa, CA 91702-3607 Azusa CA 91702 232 N Alameda Ave
Prior addresses: 21020 Cornerstone DR, Walnut, CA 91789-2571 Walnut CA 91789 21020 Cornerstone DR
Relatives: Bonnie Wang, Michael Wang, Shiower Wang, Sihai Wang, Suchin Wang, Xin Wang, Allen Wang, Amber Xing
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Hsiang Chen Hsiang Ling Chen , Age 58

Lives at 18410 Stonegate Ln, Rowland Heights, CA 91748-5149 Rowland Heights CA 91748 18410 Stonegate Ln
Prior addresses: 21020 Cornerstone Dr, Walnut, CA 91789-2571 Walnut CA 91789 21020 Cornerstone Dr 21022 Cornerstone DR, Walnut, CA 91789-2571 Walnut CA 91789 21022 Cornerstone DR 20994 Divonne DR, Walnut, CA 91789-2525 Walnut CA 91789 20994 Divonne DR
Relatives: Joseph Chien, Esther Chan, Kang Chien, Sheng Chen, Stephen Chien, Tina Chien, Alexandra Chen, Amy Chen, Chun Chen
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Roshan Bhatti Roshan A Bhatti , Age 72

Lives at 33 Amber Dr, Old Bridge, NJ 08857-3587 Old Bridge NJ 08857 33 Amber Dr
Prior addresses: 21020 Cornerstone DR, Walnut, CA 91789-2571 Walnut CA 91789 21020 Cornerstone DR 1060 Randolph Ave, Rahway, NJ 07065-5526 Rahway NJ 07065 1060 Randolph Ave 7010 Gentle Shade Rd, Apt 402, Columbia, MD 21046-3626 Columbia MD 21046 7010 Gentle Shade Rd, Apt 402
Relatives: Mushtaq Bhatti, Atiqa Bhatti, Fahima Bhatti, Fariyal Knight, Muhammad Bhatti, Tanveer Bhatti, Hanif Knight
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Muhammad Bhatti Muhammad Adil Bhatti , Age 47

Lives at 33 Amber DR, Old Bridge, NJ 08857-3587 Old Bridge NJ 08857 33 Amber DR
Prior addresses: 21020 Cornerstone DR, Walnut, CA 91789-2571 Walnut CA 91789 21020 Cornerstone DR 1060 Randolph AVE, Rahway, NJ 07065-5526 Rahway NJ 07065 1060 Randolph AVE 15 Hastings PL, Carteret, NJ 07008-1804 Carteret NJ 07008 15 Hastings PL
Relatives: Atiqa Bhatti, Fahima Bhatti, Fariyal Knight, Muhammad Bhatti, Mushtaq Bhatti, Roshan Bhatti, Tanveer Bhatti, Ayesha Chughtai
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Tanveer Bhatti Tanveer M Bhatti , Age 37

Lives at 33 Amber DR, Old Bridge, NJ 08857-3587 Old Bridge NJ 08857 33 Amber DR
Prior addresses: 21020 Cornerstone DR, Walnut, CA 91789-2571 Walnut CA 91789 21020 Cornerstone DR 1060 Randolph AVE, Rahway, NJ 07065-5526 Rahway NJ 07065 1060 Randolph AVE 26 Kopak Way, Spotswood, NJ 08884-2329 Spotswood NJ 08884 26 Kopak Way
Relatives: Atiqa Bhatti, Fahima Bhatti, Fariyal Knight, Muhammad Bhatti, Mushtaq Bhatti, Roshan Bhatti, Hanif Knight
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Hua Huang Hua Huang , Age 44

Lives at 5106 Bartlett Ave, Apt D, San Gabriel, CA 91776-2166 San Gabriel CA 91776 5106 Bartlett Ave, Apt D
Prior addresses: 28 N 3rd ST, Apt B208, Alhambra, CA 91801-6225 Alhambra CA 91801 28 N 3rd ST, Apt B208 299 Grace DR, South Pasadena, CA 91030-1820 South Pasadena CA 91030 299 Grace DR 303 E Wistaria Ave, Arcadia, CA 91006-4741 Arcadia CA 91006 303 E Wistaria Ave
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Yilin Che Yilin Che , Age 33

Lives at 303 E Wistaria AVE, Arcadia, CA 91006-4741 Arcadia CA 91006 303 E Wistaria AVE
Prior addresses: 21020 Cornerstone DR, Walnut, CA 91789-2571 Walnut CA 91789 21020 Cornerstone DR
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Neighbors

21022 Cornerstone Dr
Walnut, CA
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21038 Cornerstone Dr
Walnut, CA
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21018 Cornerstone Dr
Walnut, CA
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21032 Cornerstone Dr
Walnut, CA
View Property Report

FAQs

Who lives at 21020 Cornerstone Dr, Walnut, CA 91789?
According to our records, the current person living in 21020 Cornerstone Dr is Joseph Chien.
Is this property currently for sale?
The property is not for sale and last sold for $709,500 on Jun 19, 2017. 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 $969,000, reflecting a -3% 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?
Complete property size and structural details are currently unavailable.
What nearby properties can I compare this to?
Nearby homes include 21022 Cornerstone Dr, 21038 Cornerstone Dr, and 21018 Cornerstone Dr, each with its own property report to help compare size, value, and residents.