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Single Family ResidenceResidential
$1,278,831$281 / 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 90How 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 $1,273,000 on May 22, 2026

521 RIVER RIDGE DR

SAINT CHARLES, IL 60175
4
Beds
1.5
Baths
4,559 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.
0.5 ac
Lot SizeThe size of the land the home sits on, from county records.
2002
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
10
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.3M
$1.1M low$1.4M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,273,000 · May 22, 2026
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$445,831
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$356,665
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.65%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$833,000
Null Placeholder · 6.13% 2 · recorded May 22, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$20,513 (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.$300,487 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$66,687
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$233,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$276,870
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$901,822

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyKANE
Lot (acres)The size of the land the home sits on, from county records.0.50
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
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.Deck

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.

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

H
St. Charles North High SchoolA-
High · Grades 9–12 · 0.2 mi
E
Wild Rose Elementary SchoolA
Elementary · Grades KG–5 · 2.0 mi
M
Wredling Middle SchoolB+
Middle · Grades 6–8 · 2.5 mi

District: St. Charles Community Unit School District 303

Neighborhood · ZIP 60175These 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.35
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.105
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.54

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.36%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.7%
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.25,605
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.767 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$157,738
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$205,084
Average tempThe average temperature here across a full year.48°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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Absentee owner
Company ownedWhether the owner is a company or trust rather than a person.No

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

521 River Ridge 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.

  • Among the most valuable homes in Kane County
  • Costs more per square foot than 90% of homes in Kane County
  • Among the largest homes in Kane County
  • Has a bigger lot than 82% of homes in Kane County
  • Newer than 85% of homes in Saint Charles 60175

What homes are worth in Saint Charles 60175

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

This home
$336K$1.6M

This home is worth more than 96% of homes in Saint Charles 60175.

How it measures up in Saint Charles 60175

The dot is this home. The mark in the middle is the typical home in Saint Charles 60175.

Estimated value$1,278,831
CheaperTypical $641,560Pricier

Pricier than 96% of homes nearby

Price per ft²$281
CheaperTypical $233Pricier

Pricier than 85% of homes nearby

Living area4,559 ft²
SmallerTypical 2,783 ft²Bigger

Bigger than 94% of homes nearby

Lot size0.5 ac
SmallerTypical 0.99 acBigger

Bigger than 25% of homes nearby

Year built2002
OlderTypical 1994Newer

Newer than 85% of homes nearby

How 521 River Ridge Dr ranks against every home in each area.
MeasureThis homeSaint Charles 60175Kane County
Estimated valuepricier than$1,278,83196% of homesalmost all homes
Price per ft²pricier than$28185% of homes90% of homes
Living areabigger than4,559 ft²94% of homesalmost all homes
Lot sizebigger than0.5 ac25% of homes82% of homes
Year builtnewer than200285% of homes84% of homes

About 521 River Ridge Dr

How much is 521 River Ridge Dr, Saint Charles, IL worth?

The TopHap Estimate for 521 River Ridge Dr, Saint Charles, IL is $1,278,831 as of Jul 14, 2026. The likely range is $1,147,630 to $1,410,032. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 521 River Ridge Dr, Saint Charles, IL last sell?

521 River Ridge Dr, Saint Charles, IL last sold on May 22, 2026 for $1,273,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 521 River Ridge Dr, Saint Charles, IL?

521 River Ridge Dr, Saint Charles, IL has 4 bedrooms, 1.5 bathrooms, 4,559 square feet of living space and a 0.50-acre lot.

When was 521 River Ridge Dr, Saint Charles, IL built?

521 River Ridge Dr, Saint Charles, IL was built in 2002, making it 24 years old. The building has 2 stories.

What schools serve 521 River Ridge Dr, Saint Charles, IL?

521 River Ridge Dr, Saint Charles, IL is assigned to St. Charles North High School (high), rated A-; Wild Rose Elementary School (elementary), rated A; Wredling Middle School (middle), rated B+. All sit in St. Charles Community Unit School District 303. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 521 River Ridge Dr, Saint Charles, IL compare to other homes in Saint Charles 60175?

Among the 8,648 homes in Saint Charles 60175, it is worth more than 96% of them ($1,278,831 against a typical $641,560), its price per square foot is higher than 85% of them ($281 against a typical $233), it is bigger than 94% of them (4,559 ft² against a typical 2,783 ft²), its lot is bigger than 25% of them (0.5 ac against a typical 0.99 ac) and it is newer than 85% of them (2002 against a typical 1994). Measured against all of Kane County, it is worth more than almost all 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 521 River Ridge Dr, Saint Charles, IL?

The 2025 property tax bill for 521 River Ridge Dr, Saint Charles, IL was $20,513. The county assessed it at $300,487.

More homes on River Ridge Dr

Closest homes

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Assigned schools

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