Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$277,826$170 / 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

8420 N STATE ROUTE 159

DORSEY, IL 62021
4
Beds
1
Baths
1,632 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.
5 ac
Lot SizeThe size of the land the home sits on, from county records.
1950
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
8
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

$278K
$251K low$305K high
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.$212,826
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$170,261
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.26%
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.$65,000
US BANK NA ND · recorded Oct 28, 2011

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,724 (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.$83,140 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$24,020
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$59,120
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$74,660
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$249,420

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.39
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
31
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
84
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.
8
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
CountyMADISON
Lot (acres)The size of the land the home sits on, from county records.5.00
ConstructionThe main material the home's frame and walls are built from.Masonry/Concrete Masonry Units (Cmus)
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Central
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, Detached
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 · 960 ft²

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

E
Midway Elementary School
Elementary · Grades KG–2 · 2.4 mi
M
Lincoln Middle SchoolB-
Middle · Grades 6–8 · 10.8 mi
H
Edwardsville High SchoolB
High · Grades 9–12 · 12.1 mi

District: Edwardsville Community Unit School District 7

Neighborhood · ZIP 62021These 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.137
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.114
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.125

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.23%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.1,477
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.74 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$89,510
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$104,783
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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
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

8420 N State Route 159 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 72% of homes in Madison County
  • Costs less per square foot than 70% of homes in Dorsey 62021
  • Bigger than 82% of homes in Madison County
  • Has a bigger lot than 96% of homes in Madison County
  • Older than 70% of homes in Dorsey 62021

What homes are worth in Dorsey 62021

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

This home
$83K$626K

This home is worth more than 56% of homes in Dorsey 62021.

How it measures up in Dorsey 62021

The dot is this home. The mark in the middle is the typical home in Dorsey 62021.

Estimated value$277,826
CheaperTypical $264,631Pricier

Pricier than 56% of homes nearby

Price per ft²$170
CheaperTypical $205Pricier

Pricier than 30% of homes nearby

Living area1,632 ft²
SmallerTypical 1,235 ft²Bigger

Bigger than 81% of homes nearby

Lot size5 ac
SmallerTypical 3.67 acBigger

Bigger than 59% of homes nearby

Year built1950
OlderTypical 1970Newer

Newer than 30% of homes nearby

How 8420 N State Route 159 ranks against every home in each area.
MeasureThis homeDorsey 62021Madison County
Estimated valuepricier than$277,82656% of homes72% of homes
Price per ft²pricier than$17030% of homes56% of homes
Living areabigger than1,632 ft²81% of homes82% of homes
Lot sizebigger than5 ac59% of homes96% of homes
Year builtnewer than195030% of homes32% of homes

About 8420 N State Route 159

How much is 8420 N State Route 159, Dorsey, IL worth?

The TopHap Estimate for 8420 N State Route 159, Dorsey, IL is $277,826 as of Jul 14, 2026. The likely range is $250,512 to $305,140. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 8420 N State Route 159, Dorsey, IL last sell?

8420 N State Route 159, Dorsey, IL last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 8420 N State Route 159, Dorsey, IL?

8420 N State Route 159, Dorsey, IL has 4 bedrooms, 1 bathrooms, 1,632 square feet of living space and a 5.00-acre lot.

When was 8420 N State Route 159, Dorsey, IL built?

8420 N State Route 159, Dorsey, IL was built in 1950, making it 76 years old. The building has 1 story.

What schools serve 8420 N State Route 159, Dorsey, IL?

8420 N State Route 159, Dorsey, IL is assigned to Midway Elementary School (elementary); Lincoln Middle School (middle), rated B-; Edwardsville High School (high), rated B. All sit in Edwardsville Community Unit School District 7. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 8420 N State Route 159, Dorsey, IL compare to other homes in Dorsey 62021?

Among the 414 homes in Dorsey 62021, it is worth more than 56% of them ($277,826 against a typical $264,631), its price per square foot is higher than 30% of them ($170 against a typical $205), it is bigger than 81% of them (1,632 ft² against a typical 1,235 ft²), its lot is bigger than 59% of them (5 ac against a typical 3.67 ac) and it is newer than 30% of them (1950 against a typical 1970). Measured against all of Madison County, it is worth more than 72% 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 8420 N State Route 159, Dorsey, IL?

The 2025 property tax bill for 8420 N State Route 159, Dorsey, IL was $2,724. The county assessed it at $83,140.

Closest homes

More homes in Dorsey 62021

Assigned schools

Explore the area

See this home in context

Open 8420 N State Route 159 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