South William Street in Mount Prospect, IL

1 South William Street, Mount Prospect, IL 60056

Current Owners
P. Szyska
Purchase Price
$475,000 (2007)
Property Taxes
$13,848 (2024)

2 South William Street, Mount Prospect, IL 60056

Current Owners
R Lopez 9853
Purchase Price
N/A
Property Taxes
$5,021 (2024)

4 South William Street, Mount Prospect, IL 60056

Current Owners
R Lopez 9853
Purchase Price
N/A
Property Taxes
$5,231 (2024)

5 South William Street, Mount Prospect, IL 60056

Current Owners
John S. Desmond
Purchase Price
N/A (2025)
Property Taxes
$11,960 (2024)

6 South William Street, Mount Prospect, IL 60056

Current Owners
David A. Lee
Purchase Price
N/A
Property Taxes
$8,283 (2024)

7 South William Street, Mount Prospect, IL 60056

Current Owners
Phyllis A. Muhs
Purchase Price
$470,000 (2023)
Property Taxes
$11,337 (2024)

8 South William Street, Mount Prospect, IL 60056

Current Owners
Ronald H. Burger
Purchase Price
N/A
Property Taxes
$8,741 (2024)

9 South William Street, Mount Prospect, IL 60056

Current Owners
Roger W. Moore
Purchase Price
$333,000 (2025)
Property Taxes
$8,589 (2024)

10 South William Street, Mount Prospect, IL 60056

Current Owners
Mark Lichtenberger
Purchase Price
N/A
Property Taxes
$7,870 (2024)

11 South William Street, Mount Prospect, IL 60056

Current Owners
D. and H. McKenna
Purchase Price
$285,000 (2009)
Property Taxes
$10,321 (2024)

12 South William Street, Mount Prospect, IL 60056

Current Owners
J. M. Cummings
Purchase Price
$620,000 (2008)
Property Taxes
$16,110 (2024)

13 South William Street, Mount Prospect, IL 60056

Current Owners
Richard Wruck
Purchase Price
N/A
Property Taxes
$8,151 (2024)

14 South William Street, Mount Prospect, IL 60056

Current Owners
K. Schuster and M. Kresca
Purchase Price
$285,000 (2017)
Property Taxes
$8,176 (2024)

15 South William Street, Mount Prospect, IL 60056

Current Owners
Ralph/Ellen Cropper
Purchase Price
N/A (2024)
Property Taxes
$10,734 (2024)

16 South William Street, Mount Prospect, IL 60056

Current Owners
Paul E. Weber
Purchase Price
N/A
Property Taxes
$2,741 (2024)

16 South William Street, Mount Prospect, IL 60056

Current Owners
Paul E. Weber
Purchase Price
N/A
Property Taxes
$7,117 (2024)

17 South William Street, Mount Prospect, IL 60056

Current Owners
Baird and Baird
Purchase Price
$224,000 (2013)
Property Taxes
$8,299 (2024)

18 South William Street, Mount Prospect, IL 60056

Current Owners
Stephen J. Siefke
Purchase Price
N/A (2025)
Property Taxes
$13,079 (2024)

19 South William Street, Mount Prospect, IL 60056

Current Owners
Michelle Finley
Purchase Price
$320,000 (2012)
Property Taxes
$10,934 (2024)

21 South William Street, Mount Prospect, IL 60056

Current Owners
John S. Abrams
Purchase Price
$189,000 (1994)
Property Taxes
$10,015 (2024)

22 South William Street, Mount Prospect, IL 60056

Current Owners
Marc J. and Lee S. Okamoto
Purchase Price
N/A (2024)
Property Taxes
$11,495 (2024)

100 South William Street, Mount Prospect, IL 60056

Current Owners
Melvin H. Fisher
Purchase Price
$300,000 (2017)
Property Taxes
$8,198 (2024)

101 South William Street, Mount Prospect, IL 60056

Current Owners
R. and S. Nimmo
Purchase Price
$360,000 (2016)
Property Taxes
$12,564 (2024)

102 South William Street, Mount Prospect, IL 60056

Current Owners
T. Cummings K. Phillips
Purchase Price
$195,000 (2000)
Property Taxes
$8,176 (2024)

103 South William Street, Mount Prospect, IL 60056

Current Owners
Katherine F. Neumann
Purchase Price
N/A (2006)
Property Taxes
$9,133 (2024)

104 South William Street, Mount Prospect, IL 60056

Current Owners
Gregory R. Thalmann
Purchase Price
$260 (2022)
Property Taxes
$12,160 (2024)

105 South William Street, Mount Prospect, IL 60056

Current Owners
Raymond Beyer
Purchase Price
N/A (2019)
Property Taxes
$10,186 (2024)

106 South William Street, Mount Prospect, IL 60056

Current Owners
Laverne Larocca
Purchase Price
$250,000 (2017)
Property Taxes
$7,564 (2024)

107 South William Street, Mount Prospect, IL 60056

Current Owners
Robert Leopold
Purchase Price
$240,000 (1999)
Property Taxes
$9,509 (2024)

108 South William Street, Mount Prospect, IL 60056

Current Owners
Bobby L. Ohr
Purchase Price
$230,000 (2020)
Property Taxes
$8,886 (2024)

109 South William Street, Mount Prospect, IL 60056

Current Owners
Jeffrey Petersen
Purchase Price
N/A
Property Taxes
$7,870 (2024)

110 South William Street, Mount Prospect, IL 60056

Current Owners
Jean M. Blasco
Purchase Price
$330,000 (2020)
Property Taxes
$9,499 (2024)

111 South William Street, Mount Prospect, IL 60056

Current Owners
Halina Zon
Purchase Price
$290,000 (2004)
Property Taxes
$7,355 (2024)

112 South William Street, Mount Prospect, IL 60056

Current Owners
Miroslaw Nalepka
Purchase Price
N/A
Property Taxes
$8,789 (2024)

113 South William Street, Mount Prospect, IL 60056

Current Owners
Frank Monteleone
Purchase Price
$310,000 (2005)
Property Taxes
$21,659 (2024)

114 South William Street, Mount Prospect, IL 60056

Current Owners
Damian and V. Danna
Purchase Price
$585,000 (2012)
Property Taxes
$15,643 (2024)

115 South William Street, Mount Prospect, IL 60056

Current Owners
Andrew Tidy
Purchase Price
$405,000 (2009)
Property Taxes
$9,607 (2024)

116 South William Street, Mount Prospect, IL 60056

Current Owners
Mark and Judy Adams
Purchase Price
$300,000 (2005)
Property Taxes
$21,046 (2024)

117 South William Street, Mount Prospect, IL 60056

Current Owners
Kevin Course
Purchase Price
$540,000 (2025)
Property Taxes
$11,853 (2024)

118 South William Street, Mount Prospect, IL 60056

Current Owners
Frank A. Colacicco
Purchase Price
$405,000 (2026)
Property Taxes
$7,977 (2024)

119 South William Street, Mount Prospect, IL 60056

Current Owners
Jean Decaluwe
Purchase Price
$361,500 (2022)
Property Taxes
$10,321 (2024)

120 South William Street, Mount Prospect, IL 60056

Current Owners
John Goeppner
Purchase Price
N/A (2025)
Property Taxes
$9,993 (2024)

200 South William Street, Mount Prospect, IL 60056

Current Owners
William A. Martin
Purchase Price
N/A
Property Taxes
$10,428 (2024)

201 South William Street, Mount Prospect, IL 60056

Current Owners
Peter L. Richards
Purchase Price
N/A (1999)
Property Taxes
$3,844 (2024)

202 South William Street, Mount Prospect, IL 60056

Current Owners
Alan and Karen Miller
Purchase Price
N/A (2025)
Property Taxes
$8,644 (2024)

203 South William Street, Mount Prospect, IL 60056

Current Owners
Stefan Mikolowicz
Purchase Price
N/A (2016)
Property Taxes
$4,432 (2024)

204 South William Street, Mount Prospect, IL 60056

Current Owners
Kim and Lee
Purchase Price
$255,500 (2009)
Property Taxes
$4,611 (2024)

205 South William Street, Mount Prospect, IL 60056

Current Owners
Roger Wendy Reiner
Purchase Price
N/A (2023)
Property Taxes
$8,363 (2024)

206 South William Street, Mount Prospect, IL 60056

Current Owners
Leonard J. Mosher Jr.
Purchase Price
$688,500 (2025)
Property Taxes
$10,627 (2024)

207 South William Street, Mount Prospect, IL 60056

Current Owners
David Townsend
Purchase Price
N/A (2015)
Property Taxes
$7,967 (2024)
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