2. 915 William St Beloit WI
915 William St Beloit WI

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915 William St Beloit, WI

915 William St Beloit, WI 53511 was built in 1960 The property has a lot size of 10,193 Sq Ft lot and is listed as a Single Family. The property is currently not for sale. Current estimates place the value near 195,000, reflecting a 9% change over the past year, with 3 beds, 1 baths, and approximately 864 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

3
Beds
1
Baths
864
Sqft
Off Market
$195,000 estimated value
Built in 1960
$226/sqft
10,193 lot sqft

Property characteristics

Property type
Residential
Zoning type
Single Family
APN
13480520
Subdivision
Mc Gavock Hts
Stories
1

Property History

Over the last 12 months, the sales price of 915 William St Beloit, WI 53511 has increased by 9%, and the tax increased by 30%.

Price History

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Year Price Price/Sq Ft
2026 $ 195,000 9 % $ 226
2025 $ 178,000 13 % $ 206
2024 $ 157,000 -7 % $ 182
2023 $ 169,000 38 % $ 196
2022 $ 122,000 6 % $ 141
2021 $ 115,000 ---- $ 133

Tax History

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Year Taxes Assesments
2025 $ 2,078 30 % $ 135,700
2024 $ 1,590 1 % $ 135,700
2023 $ 1,566 -3 % $ 108,000
2022 $ 1,630 -25 % $ 108,000
2021 $ 2,181 ---- $ 77,000
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Owner

Kraig Jiannacopoulos Kraig G Jiannacopoulos , Age 53

Lives at 915 William St, Beloit, WI 53511-4846
Relatives: Karl Jiannacopoulos, Krista Jiannacopoulos, Rose Jiannacopoulos, Rose Jiannacoupoulos, Adam Jiannacopoulos, Andrea Jiannacopoulos, Arlene Demott, Chris Jiannacopoulos, James Jiannacopoulos
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People Living at 915 William St Beloit, WI

Kraig Jiannacopoulos Kraig G Jiannacopoulos , Age 53

Lives at 915 William St, Beloit, WI 53511-4846 Beloit WI 53511 915 William St
Prior addresses: 2787 Milwaukee Rd, Ste G, Beloit, WI 53511-6919 Beloit WI 53511 2787 Milwaukee Rd, Ste G
Relatives: Karl Jiannacopoulos, Krista Jiannacopoulos, Rose Jiannacopoulos, Rose Jiannacoupoulos, Adam Jiannacopoulos, Andrea Jiannacopoulos, Arlene Demott, Chris Jiannacopoulos, James Jiannacopoulos
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Gerardo Contreras Gerardo Meza Contreras , Age 43

Lives at 915 William ST, Beloit, WI 53511-4846 Beloit WI 53511 915 William ST
Prior addresses:
Relatives: Margaret Meza, Adolfo Meza, Ana Saucedo, Anthony Saucedo, Antonio Saucedo, Gerardo Meza
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Karl Jiannacopoulos Karl J Jiannacopoulos , Age 60

Lives at 909 Derby Dr, Sun Prairie, WI 53590-2407 Sun Prairie WI 53590 909 Derby Dr
Prior addresses: 656 Elizabeth Ln, Sun Prairie, WI 53590-2340 Sun Prairie WI 53590 656 Elizabeth Ln 175 Tower Dr, Sun Prairie, WI 53590-1227 Sun Prairie WI 53590 175 Tower Dr 915 William St, Beloit, WI 53511-4846 Beloit WI 53511 915 William St
Relatives: Mary Jiannacopoulos, Adam Jiannacopoulos, Andrea Jiannacopoulos, Chris Jiannacopoulos, Katlyn Jiannacopoulos, Kraig Jiannacopoulos, Krista Jiannacopoulos, Kristine Owen
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Arlene Demott Arlene Mary Demott , Age 72

Lives at 3512 S 33rd St, Milwaukee, WI 53221-1117 Milwaukee WI 53221 3512 S 33rd St
Prior addresses: 915 William St, Beloit, WI 53511-4846 Beloit WI 53511 915 William St 3512 S 33rd ST, Greenfield, WI 53221-1117 Greenfield WI 53221 3512 S 33rd ST
Relatives: Joseph Demott, Bernadette Ciano, Cheryl Ciano, Jason Ciano, Jeffrey Ciano, Marlin Ciano, Rose Jiannacoupoulos, Rosemary Demott, Abby Vike
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Joseph Demott Joseph O Demott , Age 71

Lives at 3512 S 33rd St, Milwaukee, WI 53221-1117 Milwaukee WI 53221 3512 S 33rd St
Prior addresses: 719 Kenwood Ave, Beloit, WI 53511-6147 Beloit WI 53511 719 Kenwood Ave 915 William St, Beloit, WI 53511-4846 Beloit WI 53511 915 William St
Relatives: Arlene Demott, Rose Jiannacoupoulos, Rosemary Demott, Bernadette Ciano, Cheryl Ciano, Earl Demott, Elmer Demott, Jadwiga Staniszewska, James Jiannacopoulos
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Rose Jiannacoupoulos Rose M Jiannacoupoulos , Age 89

Lives at 720 E Holly RD, Beloit, WI 53511-1620 Beloit WI 53511 720 E Holly RD
Prior addresses: 712 E Dogwood Dr, Beloit, WI 53511-1734 Beloit WI 53511 712 E Dogwood Dr 2121 House St, Beloit, WI 53511-3211 Beloit WI 53511 2121 House St
Relatives: Arlene Demott, James Jiannacopoulos, Janet Jiannacopoulos, Joseph Demott, Karl Jiannacopoulos, Kraig Jiannacopoulos, Krista Jiannacopoulos, Rose Jiannacopoulos, Aaron Zimmerman
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Neighbors

923 William St
Beloit, WI
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905 William St
Beloit, WI
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931 William St
Beloit, WI
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922 William St
Beloit, WI
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FAQs

Who lives at 915 William St, Beloit, WI 53511?
According to our records, the current person living in 915 William St is Kraig Jiannacopoulos.
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 $195,000, 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 864 sq ft of living space on a 10,193 sq ft lot, built in 1960 and classified as a Single Family.
What nearby properties can I compare this to?
Nearby homes include 923 William St, 905 William St, and 931 William St, each with its own property report to help compare size, value, and residents.