2. 20517 Simon Ct Walnut CA
20517 Simon Ct Walnut CA

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20517 Simon Ct Walnut, CA

20517 Simon Ct Walnut, CA 91789 was built in 1985 The property has a lot size of 14,670 Sq Ft lot and is listed as a Single Family. The property is currently not for sale. Current estimates place the value near 1,354,000, reflecting a -3% change over the past year, with 3 beds, 3 baths, and approximately 2,378 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

 
Last sold Mar 4, 2002
3
Beds
3
Baths
2,378
Sqft
Off Market
$1,354,000 estimated value
Built in 1985
$569/sqft
14,670 lot sqft

Property characteristics

Property type
Residential
Zoning type
Single Family
APN
8709-015-033
Subdivision
37903
Heating
Central
Cooling
Central

Property History

Over the last 12 months, the sales price of 20517 Simon Ct Walnut, CA 91789 has decreased by -3%, and the tax increased by 7%.

Price History

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Year Price Price/Sq Ft
2026 $ 1,379,000 -3 % $ 580
2025 $ 1,423,000 3 % $ 598
2024 $ 1,381,000 9 % $ 581
2023 $ 1,258,000 -2 % $ 529
2022 $ 1,288,000 25 % $ 542
2021 $ 1,023,000 ---- $ 430

Tax History

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Year Taxes Assesments
2025 $ 5,511 7 % $ 393,623
2024 $ 5,139 2 % $ 385,906
2023 $ 5,019 2 % $ 378,340
2022 $ 4,916 2 % $ 370,922
2021 $ 4,816 ---- $ 363,650
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Owner

Michael Riopka Michael John Riopka , Age 69

Lives at 20517 Simon Ct, Walnut, CA 91789-1948
Relatives: Louann Riopka, Marie Riopka, Michael Riopka, Ralph Riopka, Andrew Riopka, Constance Washburn, Guy Washburn, Kaitlin Riopka, Lisa Collenbaugh
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People Living at 20517 Simon Ct Walnut, CA

Michael Riopka Michael John Riopka , Age 69

Lives at 20517 Simon Ct, Walnut, CA 91789-1948 Walnut CA 91789 20517 Simon Ct
Prior addresses: 10650 Roseglen St, Temple City, CA 91780-4132 Temple City CA 91780 10650 Roseglen St 20571 Simon Ct, Walnut, CA 91789-1948 Walnut CA 91789 20571 Simon Ct 4060 E La Palma Ave, Anaheim, CA 92807-1754 Anaheim CA 92807 4060 E La Palma Ave
Relatives: Louann Riopka, Marie Riopka, Michael Riopka, Ralph Riopka, Andrew Riopka, Constance Washburn, Guy Washburn, Kaitlin Riopka, Lisa Collenbaugh
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Susan Catone Susan A Catone , Age 64

Lives at 7221 Calle Aragon, La Verne, CA 91750-1113 La Verne CA 91750 7221 Calle Aragon
Prior addresses: 9511 Ekwanok Dr, Desert Hot Springs, CA 92240-1316 Desert Hot Springs CA 92240 9511 Ekwanok Dr 20517 Simon Ct, Walnut, CA 91789-1948 Walnut CA 91789 20517 Simon Ct 2400 Cedar ST, La Verne, CA 91750-2838 La Verne CA 91750 2400 Cedar ST
Relatives: Daniel Catone, Angela Merlino, James Robertson, Karen Lopez, Kristin Robertson, Kyle Catone, Lisa Oien, Tarin Willoughby, Allen Robertson
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James Robertson James R Robertson , Age 68

Lives at 631 Remuda Dr, Glendora, CA 91740-4581 Glendora CA 91740 631 Remuda Dr
Prior addresses: 13818 52nd Ave NW, Gig Harbor, WA 98332-9103 Gig Harbor WA 98332 13818 52nd Ave NW 20517 Simon Ct, Walnut, CA 91789-1948 Walnut CA 91789 20517 Simon Ct
Relatives: Allen Robertson, Joan Robertson, Kristin Robertson, Lisa Oien, Susan Catone, Tarin Willoughby, Andrew Willoughby, Angela Merlino, Ashleigh Serdan
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Michael Riopka Michael Nicholas Riopka , Age 109

Lives at 20517 Simon Ct, Walnut, CA 91789-1948 Walnut CA 91789 20517 Simon Ct
Prior addresses: 10650 Roseglen St, Temple City, CA 91780-4132 Temple City CA 91780 10650 Roseglen St 30106 Sonrisa Ln, Laguna Niguel, CA 92677-2356 Laguna Niguel CA 92677 30106 Sonrisa Ln 11400 Lambert Ave, El Monte, CA 91732-1841 El Monte CA 91732 11400 Lambert Ave
Relatives: Louann Riopka, Marie Riopka, Michael Riopka, Ralph Riopka, Andrew Riopka, Constance Washburn, Guy Washburn, Kaitlin Riopka, Lisa Collenbaugh
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Dianna Kolsrud Dianna Lynn Kolsrud , Age 62

Lives at 929 E 3rd St, Ogallala, NE 69153-2736 Ogallala NE 69153 929 E 3rd St
Prior addresses: 20 Cousteau Ln, Ladera Ranch, CA 92694-1050 Ladera Ranch CA 92694 20 Cousteau Ln 32 Theshores, Brule, NE 69127-3608 Brule NE 69127 32 Theshores 23042 Poplar, Mission Viejo, CA 92692-1681 Mission Viejo CA 92692 23042 Poplar
Relatives: Mark Ambrosius, Ashley Swanberg, Dianna Swanberg, Jacob Ambrosius, Jeffrey Kolsrud, Joshua Swanberg, Marjorie Ambrosius, Robert Swanberg, Sarah Swanberg
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Elizabeth Glenn Elizabeth A Glenn , Age 85

Lives at 840 E Foothill Blvd, Spc 131, Azusa, CA 91702-2636 Azusa CA 91702 840 E Foothill Blvd, Spc 131
Prior addresses: 9511 Ekwanok Dr, Dsrt Hot Spgs, CA 92240-1316 Dsrt Hot Spgs CA 92240 9511 Ekwanok Dr 9511 Ekwanok Dr, Desert Hot Springs, CA 92240-1316 Desert Hot Springs CA 92240 9511 Ekwanok Dr 11873 Arkansas St, Artesia, CA 90701-1823 Artesia CA 90701 11873 Arkansas St
Relatives: Perry Glenn, Cheryl Trout, Elizabeth Perry, Jo Glenn, Aries Milo, Audrey Perry, Betsy Perry, Beverly Trout, Caitlin Samper
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Neighbors

20503 Simon Ct
Walnut, CA
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20527 Simon Ct
Walnut, CA
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20531 Simon Ct
Walnut, CA
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20500 Simon Ct
Walnut, CA
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FAQs

Who lives at 20517 Simon Ct, Walnut, CA 91789?
According to our records, the current person living in 20517 Simon Ct is Michael Riopka.
Is this property currently for sale?
The property is not for sale. 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 $1,354,000, 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?
It features approximately 2,378 sq ft of living space on a 14,670 sq ft lot, built in 1985 and classified as a Single Family.
What nearby properties can I compare this to?
Nearby homes include 20503 Simon Ct, 20527 Simon Ct, and 20531 Simon Ct, each with its own property report to help compare size, value, and residents.