21 N Main St is a 1,374 square foot house on a 3,550 square foot lot with 2 bedrooms and 1.5 bathrooms. Based on Redfin's Mount Prospect data, we estimate the home's value is $351,066.
Single-familyProperty Type
1953Year Built
3,550 sq ftLot Size
$256Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$351,066
$7,000 since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 17.7% lower than the average sale price ($427K) of 6 comparable homes.
As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2023
$3,054 (+4.9%)
$4,260 + $13,870
$18,130
2022
$2,911 (+18.8%)
$3,550 + $10,416
$13,966
2021
$2,451 (−0.5%)
$2,218 + $8,660
$10,878
2020
$2,462 (−0.9%)
$2,218 + $8,660
$10,878
2019
$2,485 (−18.1%)
$2,218 + $9,950
$12,168
2018
$3,036 (−0.8%)
$1,952 + $11,090
$13,042
2017
$3,061 (+6.0%)
$1,952 + $11,090
$13,042
2016
$2,886 (+5.8%)
$1,952 + $11,090
$13,042
2015
$2,727 (+1.5%)
$1,686 + $9,034
$10,720
2014
$2,688 (−8.7%)
$1,686 + $9,034
$10,720
2013
$2,943 (+5.2%)
$1,686 + $9,966
$11,652
2012
$2,798 (+2.9%)
$1,863 + $10,263
$12,126
2011
$2,718 (+0.5%)
$1,863 + $10,263
$12,126
2010
$2,705 (+4.4%)
$1,863 + $10,263
$12,126
2009
$2,591 (+16.8%)
$1,952 + $12,677
$14,629
2008
$2,217 (+4.4%)
$3,124 + $12,606
$15,730
2007
$2,124
$3,124 + $13,732
$16,856
Tax history for 21 N Main St
Year
Property tax
Land + Additions
Assessment*
2023
$3,054 (+4.9%)
$4,260 + $13,870
$18,130
2022
$2,911 (+18.8%)
$3,550 + $10,416
$13,966
2021
$2,451 (−0.5%)
$2,218 + $8,660
$10,878
2020
$2,462 (−0.9%)
$2,218 + $8,660
$10,878
2019
$2,485 (−18.1%)
$2,218 + $9,950
$12,168
2018
$3,036 (−0.8%)
$1,952 + $11,090
$13,042
2017
$3,061 (+6.0%)
$1,952 + $11,090
$13,042
2016
$2,886 (+5.8%)
$1,952 + $11,090
$13,042
2015
$2,727 (+1.5%)
$1,686 + $9,034
$10,720
2014
$2,688 (−8.7%)
$1,686 + $9,034
$10,720
2013
$2,943 (+5.2%)
$1,686 + $9,966
$11,652
2012
$2,798 (+2.9%)
$1,863 + $10,263
$12,126
2011
$2,718 (+0.5%)
$1,863 + $10,263
$12,126
2010
$2,705 (+4.4%)
$1,863 + $10,263
$12,126
2009
$2,591 (+16.8%)
$1,952 + $12,677
$14,629
2008
$2,217 (+4.4%)
$3,124 + $12,606
$15,730
2007
$2,124
$3,124 + $13,732
$16,856
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning
RA
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
Property details
Interior
Basement Information
Basement Finish: Unfinished
Basement Type: Partial
Bathroom Information
# of Full Baths: 1
# of 1/2 Baths: 1
Heating & Cooling
Air Conditioning Type: Central
Heating Type: Warm Air
Exterior
Exterior Information
Physical Condition: Average
Building Style Type: Bungalow
Exterior Wall: Frame/Masonry
Building Type: Residential
Property Information
Subdivision Name: LAUDERMILK VILLA
Living Sq. Ft: 1,374
# of Stories: 1
Stories Type: 1
Legal Description: SE4 S34 T42N R11E 3P
Parking & Garage Information
# of Parking Spaces: 1
Parking Type: Attached Garage
Garage / Carport Type: Attached
Lot Information
# of Buildings: 1
Land Sq. Ft: 3,550
Legal Lot Number: 188
Acres: 0.0815
County Use Description: RESID 1 STORY
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: 2
Baths: 1.5
Sq. Ft.: 1,374
Stories: 1.0
Lot Size: 3,550 square feet
Style: Single Family Residential
Year Built: 1953
Year Renovated: —
County: Cook County
APN: 03344100040000
Home facts updated by county records on Sep 16, 2026
Around this home
Schools
Fairview Elementary School
Public 2-5 • Assigned • 0.6mi
9/10
Lincoln Middle School
Public 6-8 • Assigned • 0.8mi
7/10
Prospect High School
Public 9-12 • Assigned • 1.0mi
10/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
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
68
48
50
37
36
23
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 10.3 hours in
June and 3.3 hours in December, placing it below the
U.S. average for solar exposure.
10.3 hrs
3.3 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$334,000 – $404,000
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