Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$290,660$223 / 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 96How 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 $177,500 on Feb 6, 2019

1233 KOSTER CT

GENEVA, IL 60134
2
Beds
2.5
Baths
1,301 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.
651 ft²
Lot SizeThe size of the land the home sits on, from county records.
1991
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$291K
$278K low$303K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$177,500 · Feb 6, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,503 (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.$84,189 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$10,083
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$74,106
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$77,593
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$252,668

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.Townhouse
CountyKANE
Lot (acres)The size of the land the home sits on, from county records.0.15
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(3)

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
Harrison Street Elementary SchoolB
Elementary · Grades KG–5 · 0.7 mi
H
Geneva High SchoolA+
High · Grades 9–12 · 1.8 mi
M
Geneva Middle School NorthA
Middle · Grades 6–8 · 3.9 mi

District: Geneva Community Unit School District 304

Neighborhood · ZIP 60134These 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.69
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.98
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.53

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.40%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.5%
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.30,629
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,793 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$144,772
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$172,749
Average tempThe average temperature here across a full year.49°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%

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

1233 Koster Ct 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 98% of homes in Geneva 60134
  • Costs less per square foot than 85% of homes in Geneva 60134
  • Smaller than 86% of homes in Geneva 60134
  • Among the smallest lots in Geneva 60134

What homes are worth in Geneva 60134

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

This home
$288K$1.1M

This home is worth more than 2% of homes in Geneva 60134.

How it measures up in Geneva 60134

The dot is this home. The mark in the middle is the typical home in Geneva 60134.

Estimated value$290,660
CheaperTypical $568,572Pricier

Pricier than 2% of homes nearby

Price per ft²$223
CheaperTypical $255Pricier

Pricier than 15% of homes nearby

Living area1,301 ft²
SmallerTypical 2,178 ft²Bigger

Bigger than 14% of homes nearby

Lot size651 ft²
SmallerTypical 0.25 acBigger

Smaller than almost all homes nearby

Year built1991
OlderTypical 1990Newer

Newer than 55% of homes nearby

How 1233 Koster Ct ranks against every home in each area.
MeasureThis homeGeneva 60134Kane County
Estimated valuepricier than$290,6602% of homes27% of homes
Price per ft²pricier than$22315% of homes57% of homes
Living areabigger than1,301 ft²14% of homes26% of homes
Lot sizebigger than651 ft²almost no homesalmost no homes
Year builtnewer than199155% of homes59% of homes

About 1233 Koster Ct

How much is 1233 Koster Ct, Geneva, IL worth?

The TopHap Estimate for 1233 Koster Ct, Geneva, IL is $290,660 as of Sep 24, 2026. The likely range is $278,432 to $302,888. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1233 Koster Ct, Geneva, IL last sell?

1233 Koster Ct, Geneva, IL last sold on Feb 6, 2019 for $177,500, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 1233 Koster Ct, Geneva, IL?

1233 Koster Ct, Geneva, IL has 2 bedrooms, 2.5 bathrooms, 1,301 square feet of living space and a 0.15-acre lot.

When was 1233 Koster Ct, Geneva, IL built?

1233 Koster Ct, Geneva, IL was built in 1991, making it 35 years old. It is a townhouse home. The building has 2 stories.

What schools serve 1233 Koster Ct, Geneva, IL?

1233 Koster Ct, Geneva, IL is assigned to Harrison Street Elementary School (elementary), rated B; Geneva High School (high), rated A+; Geneva Middle School North (middle), rated A. All sit in Geneva Community Unit School District 304. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1233 Koster Ct, Geneva, IL compare to other homes in Geneva 60134?

Among the 10,358 homes in Geneva 60134, it is worth more than 2% of them ($290,660 against a typical $568,572), its price per square foot is higher than 15% of them ($223 against a typical $255), it is bigger than 14% of them (1,301 ft² against a typical 2,178 ft²), its lot is bigger than almost none of them (651 ft² against a typical 0.25 ac) and it is newer than 55% of them (1991 against a typical 1990). Measured against all of Kane County, it is worth more than 27% 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 1233 Koster Ct, Geneva, IL?

The 2025 property tax bill for 1233 Koster Ct, Geneva, IL was $5,503. The county assessed it at $84,189.

More homes on Koster Ct

Closest homes

More homes in Geneva 60134

Assigned schools

Explore the area

See this home in context

Open 1233 Koster Ct 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