Skip to content
Skip to content
TopHapOpen in map
Single Family ResidentialResidential
$106,171
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 70How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026

403 SW 12TH ST

ALEDO, IL 61231
0
Baths
0.33 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$106K
$74K low$138K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,214 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$38,005 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$3,230
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$34,775
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$35,225
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$114,015

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residential
CountyMERCER
Lot (acres)The size of the land the home sits on, from county records.0.33
PoolWhether the property has a pool, and what kind, such as in-ground.No

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

H
Mercer County High SchoolC
High · Grades 9–12 · 0.3 mi
E
Apollo Elementary SchoolB
Elementary · Grades KG–5 · 0.3 mi
M
Mercer County Jr High SchoolC-
Middle · Grades 6–8 · 0.5 mi

District: Mercer County School District 404

Neighborhood · ZIP 61231These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.130
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.85
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.32

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.91%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.13%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.9%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.8%
PopulationHow many people live in this area.5,892
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.39 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$66,298
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$79,604
Average tempThe average temperature here across a full year.51°F
Annual precipHow much rain and melted snow falls here in a typical year.36 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.55%

Owner Tools

Do you own this home?
Claim this home

Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

How this home compares

403 Sw 12th St measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Worth less than 88% of homes in Aledo 61231
  • Has a smaller lot than 68% of homes in Mercer County

What homes are worth in Aledo 61231

Each bar is how many homes fall in that price range. The marker is this home.

This home
$82K$549K

This home is worth more than 12% of homes in Aledo 61231.

How it measures up in Aledo 61231

The dot is this home. The mark in the middle is the typical home in Aledo 61231.

Estimated value$106,171
CheaperTypical $140,047Pricier

Pricier than 12% of homes nearby

Lot size0.33 ac
SmallerTypical 0.35 acBigger

Bigger than 43% of homes nearby

How 403 Sw 12th St ranks against every home in each area.
MeasureThis homeAledo 61231Mercer County
Estimated valuepricier than$106,17112% of homes19% of homes
Lot sizebigger than0.33 ac43% of homes32% of homes

About 403 Sw 12th St

How much is 403 Sw 12th St, Aledo, IL worth?

The TopHap Estimate for 403 Sw 12th St, Aledo, IL is $106,171 as of Aug 30, 2026. The likely range is $73,994 to $138,348. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 403 Sw 12th St, Aledo, IL last sell?

403 Sw 12th St, Aledo, IL last sold on Jan 1, 1900, according to the county's recorded deed.

What schools serve 403 Sw 12th St, Aledo, IL?

403 Sw 12th St, Aledo, IL is assigned to Mercer County High School (high), rated C; Apollo Elementary School (elementary), rated B; Mercer County Jr High School (middle), rated C-. All sit in Mercer County School District 404. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 403 Sw 12th St, Aledo, IL compare to other homes in Aledo 61231?

Among the 2,314 homes in Aledo 61231, it is worth more than 12% of them ($106,171 against a typical $140,047) and its lot is bigger than 43% of them (0.33 ac against a typical 0.35 ac). Measured against all of Mercer County, it is worth more than 19% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 403 Sw 12th St, Aledo, IL?

The 2025 property tax bill for 403 Sw 12th St, Aledo, IL was $1,214. The county assessed it at $38,005.

More homes on Sw 12th St

Closest homes

More homes in Aledo 61231

Assigned schools

Explore the area

See this home in context

Open 403 Sw 12th St on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map