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CondominiumResidential
$404,499$32 / 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 88How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026
Last sold for $400,000 on Sep 18, 2026

8631 GRAND AVE

RIVER GROVE, IL 60171
0
Baths
12,768 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.
0.24 ac
Lot SizeThe size of the land the home sits on, from county records.
2025
Year BuiltThe year the home was originally built, according to county records.

Valuation

$404K
$357K low$452K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$400,000 · Sep 18, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,720 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$78,370 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$12,973
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$65,397
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$78,370
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$783,700

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.35
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
1
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
66
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
64
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
45
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
CountyCOOK
Lot (acres)The size of the land the home sits on, from county records.0.24
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(11)

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
River Grove Elementary SchoolB
Elementary · Grades PK–8 · 0.3 mi
H
East Leyden High SchoolC+
High · Grades 9–12 · 1.5 mi

District: River Grove School District 85-5

Neighborhood · ZIP 60171These 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.63
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.140
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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.23%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.6%
PopulationHow many people live in this area.8,837
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,508 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$70,009
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$83,536
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

8631 Grand Ave 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 more than 94% of homes in River Grove 60171
  • Among the lowest price per square foot in River Grove 60171
  • Among the largest homes in River Grove 60171
  • Has a bigger lot than 80% of homes in River Grove 60171
  • Among the newest homes in River Grove 60171

What homes are worth in River Grove 60171

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

This home
$143K$491K

This home is worth more than 94% of homes in River Grove 60171.

How it measures up in River Grove 60171

The dot is this home. The mark in the middle is the typical home in River Grove 60171.

Estimated value$404,499
CheaperTypical $291,072Pricier

Pricier than 94% of homes nearby

Price per ft²$32
CheaperTypical $256Pricier

Cheaper than almost all homes nearby

Living area12,768 ft²
SmallerTypical 1,252 ft²Bigger

Bigger than almost all homes nearby

Lot size0.24 ac
SmallerTypical 0.12 acBigger

Bigger than 80% of homes nearby

Year built2025
OlderTypical 1954Newer

Newer than almost all homes nearby

How 8631 Grand Ave ranks against every home in each area.
MeasureThis homeRiver Grove 60171Cook County
Estimated valuepricier than$404,49994% of homes64% of homes
Price per ft²pricier than$32almost no homesalmost no homes
Living areabigger than12,768 ft²almost all homesalmost all homes
Lot sizebigger than0.24 ac80% of homes71% of homes
Year builtnewer than2025almost all homesalmost all homes

About 8631 Grand Ave

How much is 8631 Grand Ave, River Grove, IL worth?

The TopHap Estimate for 8631 Grand Ave, River Grove, IL is $404,499 as of Sep 24, 2026. The likely range is $357,392 to $451,606. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 8631 Grand Ave, River Grove, IL last sell?

8631 Grand Ave, River Grove, IL last sold on Sep 18, 2026 for $400,000, according to the county's recorded deed. TopHap holds 10 recorded sales for this parcel.

How big is 8631 Grand Ave, River Grove, IL?

8631 Grand Ave, River Grove, IL has 12,768 square feet of living space and a 0.24-acre lot.

When was 8631 Grand Ave, River Grove, IL built?

8631 Grand Ave, River Grove, IL was built in 2025, making it 1 years old.

What schools serve 8631 Grand Ave, River Grove, IL?

8631 Grand Ave, River Grove, IL is assigned to River Grove Elementary School (elementary), rated B; East Leyden High School (high), rated C+. All sit in River Grove School District 85-5. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 8631 Grand Ave, River Grove, IL compare to other homes in River Grove 60171?

Among the 3,128 homes in River Grove 60171, it is worth more than 94% of them ($404,499 against a typical $291,072), its price per square foot is higher than almost none of them ($32 against a typical $256), it is bigger than almost all of them (12,768 ft² against a typical 1,252 ft²), its lot is bigger than 80% of them (0.24 ac against a typical 0.12 ac) and it is newer than almost all of them (2025 against a typical 1954). Measured against all of Cook County, it is worth more than 64% 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 8631 Grand Ave, River Grove, IL?

The 2024 property tax bill for 8631 Grand Ave, River Grove, IL was $3,720. The county assessed it at $78,370.

More homes on Grand Ave

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More homes in River Grove 60171

Assigned schools

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