2. 4304 E 20th St Sioux Falls SD
4304 E 20th St Sioux Falls SD

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4304 E 20th St Sioux Falls, SD

4304 E 20th St Sioux Falls, SD 57103 was built in 1983 and last sold for $442,500. The property has a lot size of 11,962 Sq Ft lot and is listed as a Single Family. The property is currently not for sale. Current estimates place the value near 440,000, reflecting a 0% change over the past year, with 4 beds, 3.5 baths, and approximately 1,528 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

$442,500
Last sold Nov 7, 2025
4
Beds
3.5
Baths
1,528
Sqft
Off Market
$440,000 estimated value
Built in 1983
$288/sqft
11,962 lot sqft

Property characteristics

Property type
Residential
Zoning type
Single Family
APN
54093
Parking
4
Subdivision
95650
Heating
Forced air unit
Cooling
Central
Fireplaces
1
Stories
1

Property History

Over the last 12 months, the sales price of 4304 E 20th St Sioux Falls, SD 57103 has increased by 0%.

Price History

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Year Price Price/Sq Ft
2026 $ 423,000 0 % $ 277
2025 $ 421,000 4 % $ 276
2024 $ 401,000 37 % $ 262
2023 $ 291,000 -16 % $ 190
2022 $ 348,000 3 % $ 228
2021 $ 337,000 ---- $ 221

Tax History

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Year Taxes Assesments
2025 $ 5,223 ---- $ 404,500
2024 $ 5,223 2 % $ 368,200
2023 $ 5,080 3 % $ 359,100
2022 $ 4,895 14 % $ 326,300
2021 $ 4,287 ---- $ 276,800
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Owner

Betty Isaak Betty L Isaak , Age 76

Lives at 4304 E 20th St, Sioux Falls, SD 57103-3613
Relatives: Rodney Isaak, Stacy Zomer, Carissa Zomer, Harvey Rozeboom, John Zomer, Kaitlyn Zomer, Russell Zomer, Samantha Zeutenhorst
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People Living at 4304 E 20th St Sioux Falls, SD

Betty Isaak Betty L Isaak , Age 76

Lives at 4304 E 20th St, Sioux Falls, SD 57103-3613 Sioux Falls SD 57103 4304 E 20th St
Prior addresses: 2420 E Tinley St, Brandon, SD 57005-6736 Brandon SD 57005 2420 E Tinley St 110 Ivy Ln, Harrisburg, SD 57032-2018 Harrisburg SD 57032 110 Ivy Ln 25419 481st Ave, Garretson, SD 57030-6027 Garretson SD 57030 25419 481st Ave
Relatives: Rodney Isaak, Stacy Zomer, Carissa Zomer, Harvey Rozeboom, John Zomer, Kaitlyn Zomer, Russell Zomer, Samantha Zeutenhorst
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Mary Kappenman Mary A Kappenman , Age 77

Lives at 4304 E 20th St, Sioux Falls, SD 57103-3613 Sioux Falls SD 57103 4304 E 20th St
Prior addresses: 4405 E 20th St, Sioux Falls, SD 57103-3614 Sioux Falls SD 57103 4405 E 20th St 4505 E Kearney Pl, Sioux Falls, SD 57110-4605 Sioux Falls SD 57110 4505 E Kearney Pl
Relatives: Tom Kappenman, Andrew Kappenman, Brooke Kappenman, Ryan Kappenman, Amanda Hammond, Brad Hammond, Clifford Hammond, Jackie Hammond, Jacquelyn Hammond
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Rodney Isaak Rodney A Isaak , Age 79

Lives at 4304 E 20th St, Sioux Falls, SD 57103-3613 Sioux Falls SD 57103 4304 E 20th St
Prior addresses: 2420 E Tinley St, Brandon, SD 57005-6736 Brandon SD 57005 2420 E Tinley St 110 Ivy Ln, Harrisburg, SD 57032-2018 Harrisburg SD 57032 110 Ivy Ln 109 Ivy Ln, Harrisburg, SD 57032-2017 Harrisburg SD 57032 109 Ivy Ln
Relatives: Betty Isaak, Stacy Zomer, Carissa Zomer, Harvey Rozeboom, John Zomer, Kaitlyn Zomer, Russell Zomer
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Tom Kappenman Tom L Kappenman , Age 81

Lives at 4600 E Adams St, Sioux Falls, SD 57110-1292 Sioux Falls SD 57110 4600 E Adams St
Prior addresses: 700 N Harrington Ave, Sioux Falls, SD 57103-6020 Sioux Falls SD 57103 700 N Harrington Ave 4505 E Kearney Pl, Sioux Falls, SD 57110-4605 Sioux Falls SD 57110 4505 E Kearney Pl
Relatives: Mary Kappenman, Andrew Kappenman, Brooke Kappenman, Ryan Kappenman, Amanda Hammond, Brad Hammond, Clifford Hammond, Jackie Hammond, Jacquelyn Hammond
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Altricia Karkue Altricia M Karkue , Age 37

Lives at 4605 E 26th St, Apt 206, Sioux Falls, SD 57110-4292 Sioux Falls SD 57110 4605 E 26th St, Apt 206
Prior addresses: 4304 E 20th St, Apt 57, Sioux Falls, SD 57103-3613 Sioux Falls SD 57103 4304 E 20th St, Apt 57 2608 E 8th ST, Apt 307, Sioux Falls, SD 57103-2075 Sioux Falls SD 57103 2608 E 8th ST, Apt 307
Relatives: Eric Sandy, Esther Karkue, Assiata Karkue, Cecelia Sandy, Emmanuel Sandy, Rita Karkue
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Brooke Kappenman Brooke Ti Kappenman , Age 45

Lives at 1021 E Covey Cir, Sioux Falls, SD 57108-6427 Sioux Falls SD 57108 1021 E Covey Cir
Prior addresses: 4809 S Twin Ridge RD, Sioux Falls, SD 57108-2902 Sioux Falls SD 57108 4809 S Twin Ridge RD 5001 S Twin Ridge RD, Sioux Falls, SD 57108-2906 Sioux Falls SD 57108 5001 S Twin Ridge RD 4304 E 20th St, Sioux Falls, SD 57103-3613 Sioux Falls SD 57103 4304 E 20th St
Relatives: Ryan Kappenman, Amanda Hammond, Andrew Kappenman, Brad Hammond, Clifford Hammond, Jackie Hammond, Jacquelyn Hammond, Lewis Hammond, Mary Kappenman
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Ryan Kappenman Ryan L Kappenman , Age 45

Lives at 1021 E Covey Cir, Sioux Falls, SD 57108-6427 Sioux Falls SD 57108 1021 E Covey Cir
Prior addresses: 4809 S Twin Ridge RD, Sioux Falls, SD 57108-2902 Sioux Falls SD 57108 4809 S Twin Ridge RD 5001 S Twin Ridge RD, Sioux Falls, SD 57108-2906 Sioux Falls SD 57108 5001 S Twin Ridge RD 712 Saint Jerome St, Harrisburg, SD 57032-2240 Harrisburg SD 57032 712 Saint Jerome St
Relatives: Brooke Kappenman, Andrew Kappenman, Mary Kappenman, Tom Kappenman, Amanda Hammond, Brad Hammond, Clifford Hammond, Jackie Hammond, Jacquelyn Hammond
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Andrew Kappenman Andrew Thomas Kappenman , Age 47

Lives at 1608 Jack Nicklaus Dr, Elk Point, SD 57025-2371 Elk Point SD 57025 1608 Jack Nicklaus Dr
Prior addresses: 1707 Arnold Palmer Ln, Elk Point, SD 57025-2313 Elk Point SD 57025 1707 Arnold Palmer Ln 633 Streeter DR, Apt 101, North Sioux City, SD 57049-4114 North Sioux City SD 57049 633 Streeter DR, Apt 101 3217 Mulligan Dr, Yankton, SD 57078-5358 Yankton SD 57078 3217 Mulligan Dr
Relatives: Brooke Kappenman, Kelli Kappenman, Mary Kappenman, Ryan Kappenman, Tom Kappenman, Amanda Hammond, Brad Hammond, Clifford Hammond, Jackie Hammond
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Neighbors

4300 E 20th St
Sioux Falls, SD
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4308 E 20th St
Sioux Falls, SD
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4305 E 19th St
Sioux Falls, SD
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4309 E 19th St
Sioux Falls, SD
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FAQs

Who lives at 4304 E 20th St, Sioux Falls, SD 57103?
According to our records, the current person living in 4304 E 20th St is Betty Isaak.
Is this property currently for sale?
The property is not for sale and last sold for $442,500 on Nov 7, 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 $440,000, 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 1,528 sq ft of living space on a 11,962 sq ft lot, built in 1983 and classified as a Single Family.
What nearby properties can I compare this to?
Nearby homes include 4300 E 20th St, 4308 E 20th St, and 4305 E 19th St, each with its own property report to help compare size, value, and residents.