2. 509 E 18th St Sioux Falls SD
509 E 18th St Sioux Falls SD

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509 E 18th St Sioux Falls, SD

509 E 18th St Sioux Falls, SD 57105 was built in 1915 and last sold for $253,000. The property has a lot size of 3,001 Sq Ft lot and is listed as a Single Family. The property is currently not for sale. Current estimates place the value near 257,000, reflecting a 9% change over the past year, with 3 beds, 1.5 baths, and approximately 1,276 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

$253,000
Last sold Oct 30, 2025
3
Beds
1.5
Baths
1,276
Sqft
Off Market
$257,000 estimated value
Built in 1915
$201/sqft
3,001 lot sqft
$5 HOA fees

Property characteristics

Property type
Residential
Zoning type
Single Family
APN
26747
Parking
1
Subdivision
Boulevard Addn
Heating
Forced air unit
Cooling
Central
Stories
1.5

Property History

Over the last 12 months, the sales price of 509 E 18th St Sioux Falls, SD 57105 has increased by 9%.

Price History

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Year Price Price/Sq Ft
2026 $ 265,000 9 % $ 208
2025 $ 242,000 3 % $ 190
2024 $ 233,000 45 % $ 183
2023 $ 160,000 -12 % $ 125
2022 $ 183,000 25 % $ 143
2021 $ 146,000 ---- $ 114

Tax History

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Year Taxes Assesments
2025 $ 3,025 ---- $ 183,700
2024 $ 3,025 8 % $ 168,300
2023 $ 2,781 9 % $ 158,000
2022 $ 2,549 36 % $ 136,600
2021 $ 1,871 ---- $ 120,600
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Owner

Rory Watson Rory David Watson , Age 44

Lives at 410 E 18th St, Sioux Falls, SD 57104-5145
Relatives: Amy Watson, David Watson, Keenan Watson, Trevor Watson, Amber Watson, Austin Ewers, Bradley Ewers, Caitland Rose, Cameron Ewers
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People Living at 509 E 18th St Sioux Falls, SD

Rory Watson Rory David Watson , Age 44

Lives at 410 E 18th St, Sioux Falls, SD 57104-5145 Sioux Falls SD 57104 410 E 18th St
Prior addresses: 509 E 18th ST, Sioux Falls, SD 57105-0913 Sioux Falls SD 57105 509 E 18th ST 5608 W 14th St, Sioux Falls, SD 57106-0208 Sioux Falls SD 57106 5608 W 14th St 209 S Lake Ave, Apt 3, Sioux Falls, SD 57104-3451 Sioux Falls SD 57104 209 S Lake Ave, Apt 3
Relatives: Amy Watson, David Watson, Keenan Watson, Trevor Watson, Amber Watson, Austin Ewers, Bradley Ewers, Caitland Rose, Cameron Ewers
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Amy Williams Amy Beth Williams , Age 53

Lives at 509 E 18th St, Sioux Falls, SD 57105-0913 Sioux Falls SD 57105 509 E 18th St
Prior addresses: 1905 S Willow Ave, Sioux Falls, SD 57105-2531 Sioux Falls SD 57105 1905 S Willow Ave 1002 S 4th Ave, Sioux Falls, SD 57105-0836 Sioux Falls SD 57105 1002 S 4th Ave 2904 S Louise Ave, Apt 206, Sioux Falls, SD 57106-0768 Sioux Falls SD 57106 2904 S Louise Ave, Apt 206
Relatives: Kent Williams, Barbara Williams, Beverly Vanbochove, Brett Vanbochove, Brice Vanbochove, Cole Williams, Colleen Graham
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Kent Williams Kent Austin Williams , Age 54

Lives at 6808 W 9th St, Sioux Falls, SD 57107-0434 Sioux Falls SD 57107 6808 W 9th St
Prior addresses: 509 E 18th St, Sioux Falls, SD 57105-0913 Sioux Falls SD 57105 509 E 18th St 1905 S Willow Ave, Sioux Falls, SD 57105-2531 Sioux Falls SD 57105 1905 S Willow Ave 1002 S 4th Ave, Sioux Falls, SD 57105-0836 Sioux Falls SD 57105 1002 S 4th Ave
Relatives: Amy Williams, Cole Williams, Kent Williams, Mariah Williams, Tori Williams, Barbara Williams, Beverly Vanbochove, Brett Vanbochove
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Brenda Raap Brenda M Raap , Age 43

Lives at 6208 W Cheyenne Dr, Sioux Falls, SD 57106-1667 Sioux Falls SD 57106 6208 W Cheyenne Dr
Prior addresses: 509 E 18th ST, Sioux Falls, SD 57105-0913 Sioux Falls SD 57105 509 E 18th ST
Relatives: Ayiana Raap, Seth Raap, Shaun Raap, Aaron Raap, Asyla Raap, Bryanna Raap, Cassandra Raap, Chelsea Raap
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Cole Williams Cole Austin Williams , Age 31

Lives at 509 E 18th St, Sioux Falls, SD 57105-0913 Sioux Falls SD 57105 509 E 18th St
Prior addresses: 6808 W 9th St, Sioux Falls, SD 57107-0434 Sioux Falls SD 57107 6808 W 9th St
Relatives: Amy Williams, Cole Williams, Kent Williams, Mariah Williams, Tori Williams, Barbara Williams, Beverly Vanbochove, Brett Vanbochove
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Joshua White Joshua Harley White , Age 37

Lives at 313 S 3rd Ave, Brandon, SD 57005-1255 Brandon SD 57005 313 S 3rd Ave
Prior addresses: 509 E 18th ST, Sioux Falls, SD 57105-0913 Sioux Falls SD 57105 509 E 18th ST 904 N Teal PL, Sioux Falls, SD 57107-1273 Sioux Falls SD 57107 904 N Teal PL 1204 S Bahnson AVE, Sioux Falls, SD 57103-3440 Sioux Falls SD 57103 1204 S Bahnson AVE
Relatives: Howard White, Jonathan White, Joshua White, Lisa Thvedt, Lisa White, Nathan White, Peggy White, Rebekah White, Allison White
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Lisa Thvedt Lisa Jan Thvedt , Age 37

Lives at 313 S 3rd Ave, Brandon, SD 57005-1255 Brandon SD 57005 313 S 3rd Ave
Prior addresses: 509 E 18th St, Sioux Falls, SD 57105-0913 Sioux Falls SD 57105 509 E 18th St 1204 S Bahnson AVE, Sioux Falls, SD 57103-3440 Sioux Falls SD 57103 1204 S Bahnson AVE
Relatives: Amy Clay, Anna Thvedt, Christopher White, Daniel White, Howard White, Jason White, Jonathan Thvedt, Jonathan White, Joshua White
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Beverly Vanbochove Beverly M Vanbochove , Age 77

Lives at 219 N Detroit Ave, Sioux Falls, SD 57110-1245 Sioux Falls SD 57110 219 N Detroit Ave
Prior addresses: 509 E 18th St, Sioux Falls, SD 57105-0913 Sioux Falls SD 57105 509 E 18th St 509E E 18th St, Sioux Falls, SD 57105-0913 Sioux Falls SD 57105 509E E 18th St 1005 S Prairie Ave, Sioux Falls, SD 57105-0526 Sioux Falls SD 57105 1005 S Prairie Ave
Relatives: Harold Vanbochove, Amy Williams, Andrea Mader, Brett Vanbochove, Brice Vanbochove, Edie Tonga, Laura Vanbochove, Adam Vanbochove, Barbara Williams
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Cole Williams Cole A Williams , Age 54

Lives at 509 E 18th St, Sioux Falls, SD 57105-0913 Sioux Falls SD 57105 509 E 18th St
Prior addresses: 6808 W 9th ST, Sioux Falls, SD 57107-0434 Sioux Falls SD 57107 6808 W 9th ST
Relatives: Amy Williams, Cole Williams, Kent Williams, Mariah Williams, Tori Williams, Barbara Williams, Beverly Vanbochove, Brett Vanbochove
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Gabriel Richmagui Gabriel N Richmagui , Age 26

Lives at 11817 Nansemond PL, Louisville, KY 40245-1763 Louisville KY 40245 11817 Nansemond PL
Prior addresses: 3311 Harmony Ln, Charlestown, IN 47111-8665 Charlestown IN 47111 3311 Harmony Ln 549 Skyview Ln, Lexington, KY 40511-8811 Lexington KY 40511 549 Skyview Ln 1280 Kinglet Ter, Wellington, FL 33414-5046 Wellington FL 33414 1280 Kinglet Ter
Relatives: Gazi Richmagui, Juliette Sempe, Maria Sempe, Maria Valentine, Pedro Richmagui, Cristina Sempe, Diana Santa, Diego Hernandez, Isabel Sempe
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Neighbors

511 E 18th St
Sioux Falls, SD
View Property Report
1002 S 4th Ave
Sioux Falls, SD
View Property Report
1004 S 4th Ave
Sioux Falls, SD
View Property Report
1006 S 4th Ave
Sioux Falls, SD
View Property Report

FAQs

Who lives at 509 E 18th St, Sioux Falls, SD 57105?
According to our records, the current person living in 509 E 18th St is Rory Watson.
Is this property currently for sale?
The property is not for sale and last sold for $253,000 on Oct 30, 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 $257,000, reflecting a 9% 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 1,276 sq ft of living space on a 3,001 sq ft lot, built in 1915 and classified as a Single Family.
What nearby properties can I compare this to?
Nearby homes include 511 E 18th St, 1002 S 4th Ave, and 1004 S 4th Ave, each with its own property report to help compare size, value, and residents.