Great rehab opportunity in Alton! Spacious 5BR/3BA home with 2 bedrooms and 1 bath on the main level, plus 3 bedrooms, 2 baths and laundry upstairs. Features include kitchen, dining and living areas, covered front and back porches, and a detached 1-car garage. Convenient location near downtown and interstate access. Great potential for investors or rehab buyers! Home being sold in As Is condition. Seller to make no repairs.
Spacious Duple in Alton for Sale. Take a look at this 2 Story duplex that features over 2300 total square feet of living space. Main floor unit has 2 bedrooms and 1 bath. Upstairs unit has 3 bedrooms and 1 bath. Also features full basement, 1 car detached garage and a covered deck. All for a great price call today. Cash transactions are subject to special deed restrictions. Pre-qualification required on all offers. Buyer to verify all MLS data including by not limited to square feet, measurements, features, exemptions/taxes, schools, etc
Public Records
Apr 24, 2006
Sold
$62,500
$26/sq ft
Public Records
Jul 7, 1989
Sold
$9,330
$4/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$1,825 (+12.0%)
$2,940 + $25,860
$28,800
2024
$1,630 (+10.0%)
$2,940 + $25,860
$28,800
2023
$1,482 (+10.7%)
$2,660 + $23,390
$26,050
2022
$1,339 (−26.9%)
$2,170 + $19,090
$21,260
2021
$1,830 (−1.1%)
$2,170 + $19,090
$21,260
2019
$1,850 (+2.7%)
$2,040 + $17,940
$19,980
2018
$1,801 (+1.4%)
$1,930 + $16,910
$18,840
2017
$1,775 (+2.0%)
$1,880 + $16,470
$18,350
2016
$1,740 (−2.4%)
$1,880 + $16,470
$18,350
2015
$1,783 (+7.9%)
$1,880 + $16,470
$18,350
2013
$1,652
$1,920 + $16,920
$18,840
Public record
Beds
4
Baths
1
Stories
—
Lot width
60 ft.
Lot depth
166 ft.
Lot size
9,960 Sq. Ft.
Year renovated
—
Finished Sq. Ft.
1,184
Unfinished Sq. Ft.
—
Total Sq. Ft.
1,184
Year built
1894
Style
Single Family Residential
County
Madison County
APN
232071217306024
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Aug 18, 2026.
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)
36
19
45
27
64
41
70
50
74
56
85
67
89
73
85
66
83
62
73
52
56
41
44
29
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
Redfin Estimate for 946 Union St
$66,618
$1,382 under list price of $68K
Nearby comparable homes
The Redfin Estimate uses 6 recent nearby sales, priced between $40K to $250K.