3220 Seminary St is a 1,470 square foot house on a 0.99 acre lot. - it last sold on March 28, 2007 for $157,500. Based on Redfin's Alton data, we estimate the home's value is $233,556.
Single-familyProperty Type
1939Year Built
0.99 acresLot Size
$159Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$233,556
$76K since sold in March 2007$2,000 since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 40.8% higher than the average sale price ($166K) of 6 comparable homes.
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Jan 18, 2023 • Final
Res alteration
Install helical piers.
Grading
Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.
Property details
Interior
Basement Information
Basement Sq. Ft: 840
Basement Type: Finished
Bathroom Information
# of Bathroom Fixtures: 5
Heating & Cooling
Heating Type: Warm Air
Exterior
Exterior Information
Building Construction Quality: Average
Exterior Wall: Vinyl
Property Information
Subdivision Name: MERRIMAN PLACE
Living Sq. Ft: 1,470
Building Sq. Ft: 1,470
Legal Description: SE/C N1/2 NW NE 133X330
Parking & Garage Information
Parking Type: Detached Garage
Garage/Parking Sq. Ft: 600
Garage / Carport Type: Detached
Lot Information
# of Buildings: 1
Land Sq. Ft: 43,124
Legal Lot Number: 5
Legal Block Number: 2
Municipality Name: ALTON
Acres: 0.99
Depth Footage: 330
Front Footage: 133
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2025
Tax District County: ALTON CITY; HAYNER LIBRARY
Public facts
Beds: —
Baths: —
Sq. Ft.: 1,470
Stories: —
Lot Size: 0.99 acres
Style: Single Family Residential
Year Built: 1939
Year Renovated: —
County: Madison County
APN: 231080607201002
Home facts updated by county records on Oct 12, 2026
Around this home
Schools
K - 12
Preschool & daycare
East Elementary School
Public 3-5 • Assigned • 1.8mi
5/10
Alton Middle School
Public 6-8 • Assigned • 1.3mi
4/10
Alton High School
Public 9-12 • Assigned • 1.3mi
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)
36
19
45
27
64
41
70
50
74
56
85
67
89
72
85
66
84
62
72
53
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
Estimated sale price
$222,000 – $269,000
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