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Single Family ResidenceResidential
$342,103$201 / 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 94How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $215,000 on Oct 4, 2019

20901 ROCK RUN DR

JOLIET, IL 60431
3
Beds
1.5
Baths
1,702 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.
1.14 ac
Lot SizeThe size of the land the home sits on, from county records.
1958
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$342K
$322K low$362K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$215,000 · Oct 4, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,004 (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.$97,900 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$25,839
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$72,061
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$90,356
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$293,700

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.45
35
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
23
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
71
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
71
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
28
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
StyleThe architectural style of the home, such as ranch or colonial.Traditional/Old
CountyWILL
Lot (acres)The size of the land the home sits on, from county records.1.14
ConstructionThe main material the home's frame and walls are built from.Frame (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.Asphalt
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Yes
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.Garage, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Patio · 480 ft²

Transaction History(6)

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

Foreclosure Filings(2)

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

E
Heritage Trail Elementary SchoolB-
Elementary · Grades KG–4 · 1.2 mi
H
Joliet West High SchoolD+
High · Grades 9–12 · 3.6 mi
M
Troy Middle SchoolB
Middle · Grades 7–8 · 3.7 mi

District: Troy Community Consolidated School District 30c

Neighborhood · ZIP 60431These 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.90
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.82
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.48

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.21%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.0%
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.22,069
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,559 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$99,257
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$121,756
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.37 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

20901 Rock Run Dr 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.

  • Costs more per square foot than 65% of homes in Joliet 60431
  • Has a bigger lot than 98% of homes in Joliet 60431
  • Among the oldest homes in Joliet 60431

What homes are worth in Joliet 60431

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

This home
$230K$547K

This home is worth more than 45% of homes in Joliet 60431.

How it measures up in Joliet 60431

The dot is this home. The mark in the middle is the typical home in Joliet 60431.

Estimated value$342,103
CheaperTypical $351,748Pricier

Pricier than 45% of homes nearby

Price per ft²$201
CheaperTypical $188Pricier

Pricier than 65% of homes nearby

Living area1,702 ft²
SmallerTypical 1,830 ft²Bigger

Bigger than 40% of homes nearby

Lot size1.14 ac
SmallerTypical 0.21 acBigger

Bigger than 98% of homes nearby

Year built1958
OlderTypical 2001Newer

Older than almost all homes nearby

How 20901 Rock Run Dr ranks against every home in each area.
MeasureThis homeJoliet 60431Will County
Estimated valuepricier than$342,10345% of homes41% of homes
Price per ft²pricier than$20165% of homes44% of homes
Living areabigger than1,702 ft²40% of homes45% of homes
Lot sizebigger than1.14 ac98% of homes96% of homes
Year builtnewer than1958almost no homes14% of homes

About 20901 Rock Run Dr

How much is 20901 Rock Run Dr, Joliet, IL worth?

The TopHap Estimate for 20901 Rock Run Dr, Joliet, IL is $342,103 as of Oct 21, 2026. The likely range is $321,787 to $362,419. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 20901 Rock Run Dr, Joliet, IL last sell?

20901 Rock Run Dr, Joliet, IL last sold on Oct 4, 2019 for $215,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 20901 Rock Run Dr, Joliet, IL?

20901 Rock Run Dr, Joliet, IL has 3 bedrooms, 1.5 bathrooms, 1,702 square feet of living space and a 1.14-acre lot.

When was 20901 Rock Run Dr, Joliet, IL built?

20901 Rock Run Dr, Joliet, IL was built in 1958, making it 68 years old. It is a traditional/old home. The building has 1 story.

What schools serve 20901 Rock Run Dr, Joliet, IL?

20901 Rock Run Dr, Joliet, IL is assigned to Heritage Trail Elementary School (elementary), rated B-; Joliet West High School (high), rated D+; Troy Middle School (middle), rated B. All sit in Troy Community Consolidated School District 30c. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 20901 Rock Run Dr, Joliet, IL compare to other homes in Joliet 60431?

Among the 9,507 homes in Joliet 60431, it is worth more than 45% of them ($342,103 against a typical $351,748), its price per square foot is higher than 65% of them ($201 against a typical $188), it is bigger than 40% of them (1,702 ft² against a typical 1,830 ft²), its lot is bigger than 98% of them (1.14 ac against a typical 0.21 ac) and it is newer than almost none of them (1958 against a typical 2001). Measured against all of Will County, it is worth more than 41% 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 20901 Rock Run Dr, Joliet, IL?

The 2025 property tax bill for 20901 Rock Run Dr, Joliet, IL was $7,004. The county assessed it at $97,900.

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