Google street view image for 421 S County Line Rd, Hinsdale, IL 60521

Off market sep 1978 for $185K

$1,253,862

Est. refi paymentEst. refi $1,014/mo

•

2 ba

•

2,855

sq ft

421 S County Line Rd, Hinsdale, IL 60521

About this home

421 S County Line Rd is a 2,855 square foot house on a 0.44 acre lot with 4 bedrooms and 2 bathrooms. - it last sold on September 11, 1978 for $185,000. Based on Redfin's Hinsdale data, we estimate the home's value is $1,253,862.

Single-familyProperty Type

1921Year Built

0.44 acresLot Size

$439Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$1,253,862

$1.1M since sold in September 1978$20K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 16.5% higher than the average sale price ($1.08M) of 5 comparable homes.

SOLD JUN 1, 2026
$1,299,000
A
4 beds4 baths— sq ft
708 Woodland Ave, Hinsdale, IL 60521
SOLD JUL 30, 2026
$831,000
B
3 beds2 baths2,510 sq ft
4930 Fair Elms Ave, Western Springs, IL 60558
SOLD JUN 30, 2026
$1,350,000
C
4 beds3 baths— sq ft
738 Woodland Ave, Hinsdale, IL 60521
SOLD JUN 8, 2026
$1,000,000
D
4 beds2.5 baths— sq ft
317 E Walnut St, Hinsdale, IL 60521
SOLD NOV 14, 2025
$900,000
E
4 beds2.5 baths3,043 sq ft
930 Harding Rd, Hinsdale, IL 60521

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Earn from this home

Sell

$1,194,057

Est. take-home

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Est. cash available

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Rent

$3,499/mo

Redfin rental estimate

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Market trends in 60521, IL

Last updated September 2026

Buyer's Market

Seller's Market

Balanced market

Sale-to-list price

97.3%

0.5% MoM

Median sale price

$1.7M

$162K MoM

Avg. days on market

64d

13 days MoM

Recently sold homes

12 MoM

New listings for sale

EARLY ACCESS
$339,900
2 beds1.5 baths1,428 sq ft
502 Chanticleer Ln #502, Hinsdale, IL 60521
$1,799,000
6 beds5.5 baths6,700 sq ft
Hinsdale, IL 60521
EARLY ACCESS
$849,000
4 beds2.5 baths2,752 sq ft
22 S Monroe St, Hinsdale, IL 60521
EARLY ACCESS
$1,299,000
5 beds3.5 baths— sq ft
215 Justina St, Hinsdale, IL 60521
NEW
$1,150,000
4 beds2.5 baths4,615 sq ft
248 Meadowbrook Ln, Hinsdale, IL 60521
$769,000
4 beds2.5 baths1,524 sq ft
333 E Chicago Ave, Hinsdale, IL 60521
EARLY ACCESS
Unknown
4 beds4.5 baths5,564 sq ft
5826 Giddings Ave, Hinsdale, IL 60521
$2,795,000
5 beds5.5 baths7,058 sq ft
5605 S Monroe St, Hinsdale, IL 60521
$3,899,000
7 beds7 baths9,427 sq ft
712 Jefferson St, Hinsdale, IL 60521
$529,900
4 beds2 baths2,806 sq ft
132 S Adams St, Hinsdale, IL 60521
See all

Provided by Redfin

Sale history for 421 S County Line Rd

Year

Property tax

Land + Additions

Assessment*

2023

$20,045 (−8.1%)

$25,831 + $62,953

$88,784

2022

$21,815 (+4.9%)

$22,482 + $73,418

$95,900

2021

$20,789 (+3.7%)

$22,482 + $73,418

$95,900

2020

$20,056

$22,482 + $73,418

$95,900

2019

$20,059 (+5.7%)

$20,569 + $78,227

$98,796

2018

$18,981 (+3.0%)

$20,569 + $78,227

$98,796

2017

$18,429 (+10.9%)

$20,569 + $78,227

$98,796

2016

$16,621 (+3.0%)

$17,698 + $62,438

$80,136

2015

$16,135 (−0.3%)

$17,698 + $62,438

$80,136

2014

$16,178

$17,698 + $62,438

$80,136

2013

$16,186 (+5.2%)

$17,698 + $63,084

$80,782

2012

$15,384 (+8.9%)

$17,698 + $63,084

$80,782

2011

$14,130 (−9.6%)

$17,698 + $63,084

$80,782

2010

$15,623 (+2.1%)

$17,698 + $78,539

$96,237

2009

$15,296 (−0.6%)

$17,698 + $78,539

$96,237

2008

$15,385 (−35.1%)

$28,318 + $75,163

$103,481

2007

$23,697

$21,430 + $134,184

$155,614

Tax history for 421 S County Line Rd

Year

Property tax

Land + Additions

Assessment*

2023

$20,045 (−8.1%)

$25,831 + $62,953

$88,784

2022

$21,815 (+4.9%)

$22,482 + $73,418

$95,900

2021

$20,789 (+3.7%)

$22,482 + $73,418

$95,900

2020

$20,056

$22,482 + $73,418

$95,900

2019

$20,059 (+5.7%)

$20,569 + $78,227

$98,796

2018

$18,981 (+3.0%)

$20,569 + $78,227

$98,796

2017

$18,429 (+10.9%)

$20,569 + $78,227

$98,796

2016

$16,621 (+3.0%)

$17,698 + $62,438

$80,136

2015

$16,135 (−0.3%)

$17,698 + $62,438

$80,136

2014

$16,178

$17,698 + $62,438

$80,136

2013

$16,186 (+5.2%)

$17,698 + $63,084

$80,782

2012

$15,384 (+8.9%)

$17,698 + $63,084

$80,782

2011

$14,130 (−9.6%)

$17,698 + $63,084

$80,782

2010

$15,623 (+2.1%)

$17,698 + $78,539

$96,237

2009

$15,296 (−0.6%)

$17,698 + $78,539

$96,237

2008

$15,385 (−35.1%)

$28,318 + $75,163

$103,481

2007

$23,697

$21,430 + $134,184

$155,614

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Property details

Interior

Basement Information
Basement Finish: Unfinished
Basement Type: Full

Bathroom Information
# of Full Baths: 2

Heating & Cooling
Air Conditioning Type: Central
Heating Type: Hot Water Steam

Fireplace Information
# of Fireplaces: 1
Has Fireplace

Exterior

Exterior Information
Physical Condition: Average
Exterior Wall: Masonry
Building Type: Residential

Property Information
Subdivision Name: HIGHLANDS
Living Sq. Ft: 2,855
# of Stories: 2
Stories Type: 2
Legal Description: WEST225 FT LOT6 BLK3 W800 FT N144 F T SW4 SEC07

Parking & Garage Information
# of Parking Spaces: 1
Parking Type: Detached Garage
Garage / Carport Type: Detached

Lot Information
# of Buildings: 1
Land Sq. Ft: 19,134
Legal Lot Number: 6
Legal Block Number: 3
Acres: 0.4393
County Use Description: RESID 2 STORY

Financial

Assessor Information
Assessment Year: 2025

Public facts

Beds: 4
Baths: 2.0
Sq. Ft.: 2,855
Stories: 2.0
Lot Size: 0.44 acres
Style: Single Family Residential
Year Built: 1921
Year Renovated: —
County: Cook County
APN: 18071100200000

Home facts updated by county records on Sep 15, 2026

Around this home

Schools

Oak Elementary School

Public PreK-5 • Assigned • 0.6mi

9/10

Hinsdale Middle School

Public 6-8 • Assigned • 0.6mi

7/10

Hinsdale Central High School

Public 9-12 • Assigned • 1.1mi

9/10

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

2/10 Heat Factor

6 days above 102° expected this year, 13 days in 30 years

2/10 Wind Factor

1% chance of strong winds in next 30 years

4/10 Air Factor

4 unhealthy days expected this year, 6 days in 30 years

Provided by First Street

Historical weather

Hinsdale, IL • 60521

Average low and high temperatures (°F)

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 3.4 hours in December, placing it below the U.S. average for solar exposure.

10.3 hrs

3.4 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$1.19M – $1.44M

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Nearby similar homes

$769,000

4 beds2.5 baths1,524 sq ft

333 E Chicago Ave, Hinsdale, IL 60521

$1,150,000

4 beds3 baths2,342 sq ft

707 Jefferson St, Hinsdale, IL 60521

$899,000

4 beds2 baths3,114 sq ft

5131 Fair Elms Ave, Western Springs, IL 60558

VIDEO TOUR

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5 beds5.5 baths4,368 sq ft

17 Ulm Pl, Hinsdale, IL 60521

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4 beds2.5 baths2,358 sq ft

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NEW CONSTRUCTION

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6 beds6.5 baths7,909 sq ft

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New listings for sale in 60521

EARLY ACCESSCOLDWELL BANKER COMING SOON

$339,900

2 beds1.5 baths1,428 sq ft

502 Chanticleer Ln #502, Hinsdale, IL 60521

$1,799,000

6 beds5.5 baths6,700 sq ft

Hinsdale, IL 60521

EARLY ACCESS@PROPERTIES COMING SOON

$849,000

4 beds2.5 baths2,752 sq ft

22 S Monroe St, Hinsdale, IL 60521

EARLY ACCESS@PROPERTIES COMING SOON

$1,299,000

5 beds3.5 baths— sq ft

215 Justina St, Hinsdale, IL 60521

NEWVIDEO TOUR

$1,150,000

4 beds2.5 baths4,615 sq ft

248 Meadowbrook Ln, Hinsdale, IL 60521

$769,000

4 beds2.5 baths1,524 sq ft

333 E Chicago Ave, Hinsdale, IL 60521

EARLY ACCESSCOLDWELL BANKER COMING SOON

Unknown

4 beds4.5 baths5,564 sq ft

5826 Giddings Ave, Hinsdale, IL 60521

$2,795,000

5 beds5.5 baths7,058 sq ft

5605 S Monroe St, Hinsdale, IL 60521

$3,899,000

7 beds7 baths9,427 sq ft

712 Jefferson St, Hinsdale, IL 60521

Home values near 421 S County Line Rd

Data from public records.

Address	Redfin Estimate
403 S County Line Road, Hinsdale, IL 7 Beds \| 6.5 Baths \| 7420 Sq. Ft.	$2,707,366
321 S County Line Road, Hinsdale, IL 7 Beds \| 8 Baths \| 10690 Sq. Ft.	$5,313,639

Address	Redfin Estimate
329 S County Line Road, Hinsdale, IL 6 Beds \| 7.5 Baths \| - Sq. Ft.	$4,772,711
505 S County Line Road, Hinsdale, IL 7 Beds \| 3.5 Baths \| 10966 Sq. Ft.	$7,456,356

Address	Redfin Estimate
411 S County Line Road, Hinsdale, IL 4 Beds \| 3.5 Baths \| - Sq. Ft.	$3,166,063
436 S County Line Road, Hinsdale, IL - Beds \| 3.5 Baths \| 3779 Sq. Ft.	$2,392,452

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