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Single Family ResidenceResidential
$97,484$102 / 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 72How 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

27 PROSPECT ST

COTTAGE HILLS, IL 62018
4
Beds
1
Baths
960 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.
0.38 ac
Lot SizeThe size of the land the home sits on, from county records.
1973
Year BuiltThe year the home was originally built, according to county records.
1
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.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$97K
$70K low$125K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,270 (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.$35,970 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$4,690
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$31,280
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$33,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$107,910

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.
19
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
83
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.
4
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.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Conventional
CountyMADISON
Lot (acres)The size of the land the home sits on, from county records.0.38
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
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Central
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(1)

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
Civic Memorial High SchoolC+
High · Grades 9–12 · 0.7 mi
M
Trimpe Middle SchoolC
Middle · Grades 6–8 · 1.1 mi
E
Bethalto East Primary School
Elementary · Grades PK–1 · 1.3 mi

District: Bethalto Consolidated Unit School District 8

Neighborhood · ZIP 62018These 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.115
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.94
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.120

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.90%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.13%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.19%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.3,548
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.831 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$62,018
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$75,333
Average tempThe average temperature here across a full year.55°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.59%

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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

27 Prospect St 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 81% of homes in Madison County
  • Costs less per square foot than 80% of homes in Madison County
  • Smaller than 68% of homes in Madison County
  • Has a bigger lot than 70% of homes in Madison County
  • Newer than 84% of homes in Cottage Hills 62018

What homes are worth in Cottage Hills 62018

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

This home
$36K$222K

This home is worth more than 57% of homes in Cottage Hills 62018.

How it measures up in Cottage Hills 62018

The dot is this home. The mark in the middle is the typical home in Cottage Hills 62018.

Estimated value$97,484
CheaperTypical $90,308Pricier

Pricier than 57% of homes nearby

Price per ft²$102
CheaperTypical $92Pricier

Pricier than 59% of homes nearby

Living area960 ft²
SmallerTypical 975 ft²Bigger

Bigger than 49% of homes nearby

Lot size0.38 ac
SmallerTypical 0.31 acBigger

Bigger than 68% of homes nearby

Year built1973
OlderTypical 1952Newer

Newer than 84% of homes nearby

How 27 Prospect St ranks against every home in each area.
MeasureThis homeCottage Hills 62018Madison County
Estimated valuepricier than$97,48457% of homes19% of homes
Price per ft²pricier than$10259% of homes20% of homes
Living areabigger than960 ft²49% of homes32% of homes
Lot sizebigger than0.38 ac68% of homes70% of homes
Year builtnewer than197384% of homes60% of homes

About 27 Prospect St

How much is 27 Prospect St, Cottage Hills, IL worth?

The TopHap Estimate for 27 Prospect St, Cottage Hills, IL is $97,484 as of Sep 24, 2026. The likely range is $69,879 to $125,089. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 27 Prospect St, Cottage Hills, IL last sell?

27 Prospect St, Cottage Hills, IL last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 27 Prospect St, Cottage Hills, IL?

27 Prospect St, Cottage Hills, IL has 4 bedrooms, 1 bathrooms, 960 square feet of living space and a 0.38-acre lot.

When was 27 Prospect St, Cottage Hills, IL built?

27 Prospect St, Cottage Hills, IL was built in 1973, making it 53 years old. It is a conventional home. The building has 1 story.

What schools serve 27 Prospect St, Cottage Hills, IL?

27 Prospect St, Cottage Hills, IL is assigned to Civic Memorial High School (high), rated C+; Trimpe Middle School (middle), rated C; Bethalto East Primary School (elementary). All sit in Bethalto Consolidated Unit School District 8. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 27 Prospect St, Cottage Hills, IL compare to other homes in Cottage Hills 62018?

Among the 1,225 homes in Cottage Hills 62018, it is worth more than 57% of them ($97,484 against a typical $90,308), its price per square foot is higher than 59% of them ($102 against a typical $92), it is bigger than 49% of them (960 ft² against a typical 975 ft²), its lot is bigger than 68% of them (0.38 ac against a typical 0.31 ac) and it is newer than 84% of them (1973 against a typical 1952). Measured against all of Madison County, it is worth more than 19% 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 27 Prospect St, Cottage Hills, IL?

The 2025 property tax bill for 27 Prospect St, Cottage Hills, IL was $2,270. The county assessed it at $35,970.

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