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Single Family ResidenceResidential
$397,533$213 / ft²
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 93How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $288,000 on Sep 27, 2018

21231 S RIVER RD

FRANKFORT, IL 60423
3
Beds
2 / 1
Baths
1,868 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
1.28 ac
Lot SizeThe size of the land the home sits on, from county records.
1950
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
6
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$398K
$370K low$425K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$288,000 · Sep 27, 2018

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,727 (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.$149,597 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$40,810
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$108,787
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$140,335
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$448,791

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.46
35
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
7
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
72
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
76
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
40
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.23 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.1 percent flood zone

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyWILL
Lot (acres)The size of the land the home sits on, from county records.1.28
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.No Foundation
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Mixed
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(2)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

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

E
Indian Trail Elementary SchoolB+
Elementary · Grades 1–4 · 0.8 mi
M
Summit Hill Junior High SchoolA
Middle · Grades 7–8 · 1.5 mi
H
Lincoln-Way East High SchoolA-
High · Grades 9–12 · 2.1 mi

District: Lincoln Way Community High School District 210

Neighborhood · ZIP 60423These 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.61
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.95
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.46

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.29%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.2%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.7%
PopulationHow many people live in this area.34,265
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.919 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$140,721
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$155,159
Average tempThe average temperature here across a full year.49°F
Annual precipHow much rain and melted snow falls here in a typical year.39 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.54%

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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

21231 S River Rd 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 70% of homes in Frankfort 60423
  • Has a bigger lot than 96% of homes in Will County
  • Older than 96% of homes in Frankfort 60423

What homes are worth in Frankfort 60423

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

This home
$216K$1M

This home is worth more than 30% of homes in Frankfort 60423.

How it measures up in Frankfort 60423

The dot is this home. The mark in the middle is the typical home in Frankfort 60423.

Estimated value$397,533
CheaperTypical $495,616Pricier

Pricier than 30% of homes nearby

Price per ft²$213
CheaperTypical $216Pricier

Pricier than 46% of homes nearby

Living area1,868 ft²
SmallerTypical 2,169 ft²Bigger

Bigger than 41% of homes nearby

Lot size1.28 ac
SmallerTypical 0.34 acBigger

Bigger than 94% of homes nearby

Year built1950
OlderTypical 1991Newer

Newer than 4% of homes nearby

How 21231 S River Rd ranks against every home in each area.
MeasureThis homeFrankfort 60423Will County
Estimated valuepricier than$397,53330% of homes56% of homes
Price per ft²pricier than$21346% of homes55% of homes
Living areabigger than1,868 ft²41% of homes52% of homes
Lot sizebigger than1.28 ac94% of homes96% of homes
Year builtnewer than19504% of homes10% of homes

About 21231 S River Rd

How much is 21231 S River Rd, Frankfort, IL worth?

The TopHap Estimate for 21231 S River Rd, Frankfort, IL is $397,533 as of Jul 14, 2026. The likely range is $370,376 to $424,690. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21231 S River Rd, Frankfort, IL last sell?

21231 S River Rd, Frankfort, IL last sold on Sep 27, 2018 for $288,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 21231 S River Rd, Frankfort, IL?

21231 S River Rd, Frankfort, IL has 3 bedrooms, 2 bathrooms, 1,868 square feet of living space and a 1.28-acre lot.

When was 21231 S River Rd, Frankfort, IL built?

21231 S River Rd, Frankfort, IL was built in 1950, making it 76 years old. The building has 1 story.

What schools serve 21231 S River Rd, Frankfort, IL?

21231 S River Rd, Frankfort, IL is assigned to Indian Trail Elementary School (elementary), rated B+; Summit Hill Junior High School (middle), rated A; Lincoln-Way East High School (high), rated A-. All sit in Lincoln Way Community High School District 210. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21231 S River Rd, Frankfort, IL compare to other homes in Frankfort 60423?

Among the 11,000 homes in Frankfort 60423, it is worth more than 30% of them ($397,533 against a typical $495,616), its price per square foot is higher than 46% of them ($213 against a typical $216), it is bigger than 41% of them (1,868 ft² against a typical 2,169 ft²), its lot is bigger than 94% of them (1.28 ac against a typical 0.34 ac) and it is newer than 4% of them (1950 against a typical 1991). Measured against all of Will County, it is worth more than 56% 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 21231 S River Rd, Frankfort, IL?

The 2025 property tax bill for 21231 S River Rd, Frankfort, IL was $10,727. The county assessed it at $149,597.

More homes on S River Rd

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More homes in Frankfort 60423

Assigned schools

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