OPEN SUN, 1PM TO 3PM

For sale

$550,000

Est. $3,513/mo —

•

1,563

sq ft

201 S William St, Mount Prospect, IL 60056

About this home

Large Ranch in highly south after Mount Prospect triangle location. Large corner lot - 3 bedrooms 1.1 bathrooms. Galley Kitchen with 24-inch maple cabinets and built in corner desk over-looking windows. Beautiful Hardwood floors in living room with woodburning fireplace for cool winter nights. Room for a full-size dining table overlooking the patio. 3 bedrooms with great closet space. Hardwood floors under carpet in ALL bedrooms. 1 full bathroom with tub and vanity and 1 half bath convenient for guests. Plenty of light and great floorplan for 1 level living. Family room is an addition and perfect for gathering or watching TV. Finished basement with good ceiling height and great storage. Laundry in the basement with sink. Workshop located in back basement perfect for a hobbyist. Large side yard with rose bushes. Backyard with pavers and room for a grill and table. 2 plus attached car garage has extra storage and fridge for entertaining. Long time owner and pride of ownership. Estate sale -Sold AS -IS. Ideally located one block from Owen park/playground, and walk to downtown Mount Prospect shops and restaurants. Close proximity to Prospect High School. Beautiful tree-lined streets, multiple parks, Randhurst Village shopping and dining and Metra access. Full Tear off Roof - 1999, Cooktop and Stove 2020 . Addition and 2 car garage 1985. Sprinkler system installed 2003. Estate sale- Sold AS IS. Needs updating, this extra-large ranch is ready for your upgrades to make this home your own.

Single-familyProperty Type

1954Year Built

$352Price/Sq.Ft.

2 car garageParking

Listed by Kimberly Broznowski Powers • @properties Christie's International Real Estate

Listing updated: Nov 13, 2026 at 03:42pm

Redfin checked: a few seconds ago

•Source:MRED as Distributed by MLS Grid #12783205

Payment calculator

$3,513 per month

Principal and interest$3,039

Property taxes

$291

HOA dues

Home insurance

$183

Utilities

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Next available date: Saturday, November 14

Open houses

Sunday, Nov 15

1:00pm - 3:00pm

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Around this home

Schools

K - 12
Preschool & daycare

Fairview Elementary School

Public 2-5 • Assigned • 1.2mi

9/10

Lincoln Middle School

Public 6-8 • Assigned • 1.0mi

7/10

Prospect High School

Public 9-12 • Assigned • 1.6mi

10/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Market insights

201 S William St · $550,000

DAYS ON MARKET

The average home goes pending in 55 days.

SALE-TO-LIST

Most homes are selling 0% below list price.

LIST PRICE

Median sale price in this area is $393,715. (28% lower than this home)

PRICE DROP

16% of homes in this area have had a price drop in the past month.

Property details

Interior
Exterior
Finance

Bedroom

Living

Dining

Interior features
Built-in features
Walk-in closet
Full finished basement with storage space
Full attic
Separate dining room
Fireplace in the family room with wood-burning feature and gas starter

Bedrooms
3 bedrooms on the main level

Bathrooms
1 full bathroom
1 half bathroom

Kitchen
Galley kitchen
Range, microwave, dishwasher, refrigerator, and disposal

Laundry & utility
In-unit laundry with laundry chute and sink
Washer and dryer

Flooring
Hardwood, carpet, tile, linoleum, and other flooring

Heating & cooling
Forced-air heating
Central air conditioning

Sale and tax history for 201 S William St

Sale History
Tax History

Year

Property tax

Land + Additions

Assessment*

2023

$3,494 (+0.8%)

$8,740 + $34,260

$43,000

2022

$3,466 (−11.7%)

$7,220 + $28,321

$35,541

2021

$3,926 (+9.6%)

$4,560 + $18,027

$22,587

2020

$3,582 (+0.6%)

$4,560 + $18,027

$22,587

2019

$3,559 (−10.5%)

$4,560 + $20,819

$25,379

2018

$3,977 (+1.5%)

$3,800 + $20,991

$24,791

2017

$3,918 (−5.7%)

$3,800 + $21,882

$25,682

2016

$4,155 (−13.0%)

$3,800 + $21,882

$25,682

2015

$4,774 (−15.4%)

$3,420 + $17,505

$20,925

2014

$5,645 (−5.3%)

$3,420 + $20,741

$24,161

2013

$5,960 (−13.9%)

$3,420 + $23,844

$27,264

2012

$6,924 (+1.8%)

$3,990 + $27,168

$31,158

2011

$6,802 (+9.6%)

$3,990 + $27,168

$31,158

2010

$6,206 (+1.2%)

$3,990 + $27,168

$31,158

2009

$6,134 (+21.8%)

$4,180 + $30,535

$34,715

2008

$5,034 (−29.8%)

$6,688 + $30,640

$37,328

2007

$7,171

$6,688 + $30,640

$37,328

Public record

Public record
Zoning

Beds

Baths

1.5

Stories

Lot width

—

Lot depth

—

Lot size

7,600 Sq. Ft.

Year renovated

—

Finished Sq. Ft.

1,563

Unfinished Sq. Ft.

—

Total Sq. Ft.

1,563

Year built

1954

Style

Single Family Residential

County

Cook County

APN

08122160010000

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Sep 14, 2026.

Single Family Residence District

The purpose of the R-A single-family residence district is to accommodate existing single-family residential development in older, established sections of the Village. These neighborhoods are characterized by smaller lots than required in the R-1 district.

Permitted uses

Include but are not limited to:

Housing-Group
Housing-Single unit

Climate risks

1/10 Flood Factor

Minimal risk of a flood reaching the building in the next 30 years

1/10 Fire Factor

Unlikely to be in a wildfire in next 30 years

3/10 Heat Factor

7 days above 100° expected this year, 14 days in 30 years

2/10 Wind Factor

0% chance of strong winds in next 30 years

4/10 Air Factor

4 unhealthy days expected this year, 4 days in 30 years

Provided by First Street

Historical weather

Mount Prospect, IL • 60056

Average low and high temperatures (°F)

30°

15°

38°

21°

54°

33°

62°

42°

69°

48°

82°

62°

86°

68°

81°

64°

78°

58°

66°

49°

50°

37°

36°

23°

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

93/ 100

Exceptional sunlight

Sunscore

This home receives average direct sun exposure in Mount Prospect. There appears to be minimal shading by surrounding buildings, terrain, and vegetation.

10.4 hrs

5.2 hrs

JuneDecember

Provided by Shadowmap

Redfin Estimate for 201 S William St

$550,623

$623 over list price of $550K

Nearby comparable homes

The Redfin Estimate uses 5 recent nearby sales, priced between $485K to $599K.

SOLD OCT 19, 2026
$549,000 Last sold price
3 beds2.5 baths1,470 sq ft
201 N Elmhurst Ave, Mount Prospect, IL 60056
$21/sq ft
SOLD JUL 13, 2026
$599,000 Last sold price
3 beds2.5 baths1,340 sq ft
502 S Louis St, Mount Prospect, IL 60056
$95/sq ft
4 years newer
SOLD JUN 22, 2026
$567,000 Last sold price
3 beds2 baths1,650 sq ft
506 S Main St, Mount Prospect, IL 60056
$8/sq ft
1 year newer
SOLD OCT 27, 2026
$580,000 Last sold price
3 beds1.5 baths2,000 sq ft
215 S Hi Lusi Ave, Mount Prospect, IL 60056
$62/sq ft
8 years older
SOLD NOV 2, 2026
$485,000 Last sold price
3 beds1.5 baths2,407 sq ft
330 Cornell Ave, Des Plaines, IL 60016
$151/sq ft
28 years newer

Rental earnings

Est. $2,318 per month, based on comparable rentals

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Details provided by MRED as Distributed by MLS Grid and may not match the public record. Learn more.

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