Google street view image for 620 Union St, Alton, IL 62002

Off market nov 2009 for $140K

$182,027

Est. refi paymentEst. refi $1,160/mo

•

1 ba

•

1,023

sq ft

620 Union St, Alton, IL 62002

About this home

620 Union St is a 1,023 square foot house on a 7,617 square foot lot with 3 bedrooms and 1 bathroom. - it last sold on November 20, 2009 for $140,000. Based on Redfin's Alton data, we estimate the home's value is $182,027.

Single-familyProperty Type

1913Year Built

7,617 sq ftLot Size

$178Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$182,027

$42K since sold in November 2009$1,000 since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 64.5% higher than the average sale price ($111K) of 6 comparable homes.

SOLD MAY 18, 2026
$34,900
A
3 beds1 bath1,115 sq ft
1213 Diamond St, Alton, IL 62002
SOLD AUG 28, 2026
$199,900
B
3 beds1.5 baths1,868 sq ft
205 E 12th St, Alton, IL 62002
SOLD SEP 14, 2026
$69,500
C
3 beds1 bath1,265 sq ft
2624 Watalee St, Alton, IL 62002
SOLD JUL 28, 2026
$94,900
D
3 beds1.5 baths1,608 sq ft
902 Royal St, Alton, IL 62002
SOLD SEP 14, 2026
$149,900
E
3 beds2 baths1,674 sq ft
616 E 8th St, Alton, IL 62002
SOLD JUL 17, 2026
$115,000
F
2 beds1 bath1,147 sq ft
1807 State St, Alton, IL 62002

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Earn from this home

Sell

$104,494

Est. take-home

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Refinance

Est. cash available

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Rent

$1,042/mo

Redfin rental estimate

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Market trends in 62002, IL

Last updated September 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

97.7%

0.1% MoM

Median sale price

$130K

$2K MoM

Avg. days on market

43d

5 days MoM

Recently sold homes

111

1 MoM

New listings for sale

NEW 34 HRS AGO
$55,000
2 beds1 bath843 sq ft
703 Fairview Ave, Alton, IL 62002
COMING SOON
$149,900
2 beds1 bath780 sq ft
2425 Gillis St, Alton, IL 62002
NEW 1 DAY AGO
$240,000
2 beds2 baths2,440 sq ft
1215 Union St, Alton, IL 62002
$160,000
2 beds1 bath1,186 sq ft
610 E 4th St, Alton, IL 62002
$115,900
3 beds1.5 baths1,120 sq ft
1918 Jersey St, Alton, IL 62002
COMING SOON
$50,000
2 beds1 bath956 sq ft
1930 Marilla St, Alton, IL 62002
$724,900
5 beds3.5 baths4,870 sq ft
5212 Richland Woods Dr, Alton, IL 62002
$195,000
3 beds2 baths2,068 sq ft
3625 Aberdeen Ave, Alton, IL 62002
$125,000
2 beds1 bath868 sq ft
508 William St, Alton, IL 62002
$155,000
3 beds2 baths1,254 sq ft
3614 Gilham Ave, Alton, IL 62002
See all

Provided by Redfin

Sale history for 620 Union St

Year

Property tax

Land + Additions

Assessment*

2025

$4,512 (+10.1%)

$2,610 + $59,750

$62,360

2024

$4,098 (+7.8%)

$2,610 + $59,750

$62,360

2023

$3,801 (+8.2%)

$2,360 + $54,050

$56,410

2022

$3,514 (+2.9%)

$1,930 + $44,120

$46,050

2021

$3,414

$1,930 + $44,120

$46,050

2019

$3,415 (+3.2%)

$1,810 + $41,460

$43,270

2018

$3,309 (+1.5%)

$1,710 + $39,070

$40,780

2017

$3,261 (+2.0%)

$1,660 + $38,050

$39,710

2016

$3,197 (−2.4%)

$1,660 + $38,050

$39,710

2015

$3,276 (+7.3%)

$1,660 + $38,050

$39,710

2013

$3,052

$1,710 + $39,080

$40,790

Tax history for 620 Union St

Year

Property tax

Land + Additions

Assessment*

2025

$4,512 (+10.1%)

$2,610 + $59,750

$62,360

2024

$4,098 (+7.8%)

$2,610 + $59,750

$62,360

2023

$3,801 (+8.2%)

$2,360 + $54,050

$56,410

2022

$3,514 (+2.9%)

$1,930 + $44,120

$46,050

2021

$3,414

$1,930 + $44,120

$46,050

2019

$3,415 (+3.2%)

$1,810 + $41,460

$43,270

2018

$3,309 (+1.5%)

$1,710 + $39,070

$40,780

2017

$3,261 (+2.0%)

$1,660 + $38,050

$39,710

2016

$3,197 (−2.4%)

$1,660 + $38,050

$39,710

2015

$3,276 (+7.3%)

$1,660 + $38,050

$39,710

2013

$3,052

$1,710 + $39,080

$40,790

*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 Sq. Ft: 335
Basement Type: Finished

Bathroom Information
# of Full Baths: 1
# of Bathroom Fixtures: 8

Heating & Cooling
Heating Type: Warm Air

Fireplace Information
# of Fireplaces: 1
Has Fireplace

Room Information
# of Rooms: 3

Exterior

Exterior Information
Building Construction Quality: Average
Exterior Wall: Vinyl

Property Information
Subdivision Name: HUNTERS NORTH LIBERTY ADD
Living Sq. Ft: 1,023
Building Sq. Ft: 1,023
Legal Description: HUNTERS NORTH LIBERTY ADD LOT 74.1X102.8X IRR

Parking & Garage Information
Parking Type: Detached Garage
Garage/Parking Sq. Ft: 336
Garage / Carport Type: Detached

Lot Information
# of Buildings: 1
Land Sq. Ft: 7,617
Legal Lot Number: 74
Legal Block Number: 10
Municipality Name: ALTON
Acres: 0.1749
Depth Footage: 102.8
Front Footage: 74.1
County Use Description: SINGLE FAMILY

Financial

Assessor Information
Assessment Year: 2025
Tax District County: ALTON CITY; HAYNER LIBRARY

Public facts

Beds: 3
Baths: 1.0
Sq. Ft.: 1,023
Stories: —
Lot Size: 7,617 square feet
Style: Single Family Residential
Year Built: 1913
Year Renovated: —
County: Madison County
APN: 232071213302013

Home facts updated by county records on Jul 21, 2026

Around this home

Schools

North Elementary School

Public 2-5 • Assigned • 3.6mi

4/10

Alton Middle School

Public 6-8 • Assigned • 1.3mi

4/10

Alton High School

Public 9-12 • Assigned • 2.7mi

3/10

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

5/10 Heat Factor

7 days above 106° expected this year, 20 days in 30 years

2/10 Wind Factor

1% chance of strong winds in next 30 years

3/10 Air Factor

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

Provided by First Street

Historical weather

Alton, IL • 62002

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 9.8 hours in June and 4.1 hours in December, which is comparable to the U.S. average for solar exposure.

9.8 hrs

4.1 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$173,000 – $210,000

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Nearby similar homes

$29,900

2 beds1 bath825 sq ft

3112 Trumbull Ave, Alton, IL 62002

$50,000

2 beds0.5 baths888 sq ft

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OPEN TUE, 4PM TO 6PM

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New listings for sale in 62002

NEW 34 HRS AGO

$55,000

2 beds1 bath843 sq ft

703 Fairview Ave, Alton, IL 62002

COMING SOON

$149,900

2 beds1 bath780 sq ft

2425 Gillis St, Alton, IL 62002

NEW 1 DAY AGO

$240,000

2 beds2 baths2,440 sq ft

1215 Union St, Alton, IL 62002

$160,000

2 beds1 bath1,186 sq ft

610 E 4th St, Alton, IL 62002

$115,900

3 beds1.5 baths1,120 sq ft

1918 Jersey St, Alton, IL 62002

COMING SOON

$50,000

2 beds1 bath956 sq ft

1930 Marilla St, Alton, IL 62002

$724,900

5 beds3.5 baths4,870 sq ft

5212 Richland Woods Dr, Alton, IL 62002

$195,000

3 beds2 baths2,068 sq ft

3625 Aberdeen Ave, Alton, IL 62002

$125,000

2 beds1 bath868 sq ft

508 William St, Alton, IL 62002

Home values near 620 Union St

Data from public records.

Address	Redfin Estimate
711 Union Street, Alton, IL - Beds \| - Baths \| 1240 Sq. Ft.	$85,160
716 Union Street, Alton, IL 3 Beds \| 2 Baths \| 1938 Sq. Ft.	$207,643

Address	Redfin Estimate
702 Union Street, Alton, IL 2 Beds \| 2 Baths \| 1079 Sq. Ft.	$171,327
701 Union Street, Alton, IL 3 Beds \| 2.5 Baths \| 2077 Sq. Ft.	$313,634

Address	Redfin Estimate
618 Union Street, Alton, IL 4 Beds \| 3 Baths \| 2420 Sq. Ft.	$234,998
1100 Henry Street, Alton, IL 4 Beds \| 1.5 Baths \| 2224 Sq. Ft.	$303,500

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GreatSchools Ratings provided by GreatSchools.org.

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About this home

Redfin Estimate

Earn from this home

Market trends in 62002, IL

Sale history for 620 Union St

Tax history for 620 Union St

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 62002

Home values near 620 Union St

More real estate resources