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Single Family ResidenceResidential
$428,122$304 / 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 94How 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 $330,000 on Sep 19, 2022

870 MARC DR

ALTON, IL 62002
4
Beds
3 / 1
Baths
1,407 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.
0.55 ac
Lot SizeThe size of the land the home sits on, from county records.
1994
Year BuiltThe year the home was originally built, according to county records.
2
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.

Valuation

$428K
$404K 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.$330,000 · Sep 19, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,040 (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.$112,930 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$26,910
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$86,020
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$102,150
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$338,790

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.37
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
26
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.Colonial
CountyMADISON
Lot (acres)The size of the land the home sits on, from county records.0.55
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
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, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(5)

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
Gilson Brown Elementary School
Elementary · Grades KG–1 · 1.1 mi
H
Alton High SchoolD+
High · Grades 9–12 · 2.6 mi
M
Alton Middle SchoolD
Middle · Grades 6–8 · 2.8 mi

District: Alton Community Unit School District 11

Neighborhood · ZIP 62002These 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.135
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.85
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.89%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.16%
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.28,813
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.738 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$61,207
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$78,082
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

870 Marc 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.

  • Worth more than 97% of homes in Alton 62002
  • Costs more per square foot than 97% of homes in Alton 62002
  • Bigger than 84% of homes in Alton 62002
  • Has a bigger lot than 87% of homes in Alton 62002
  • Newer than 94% of homes in Alton 62002

What homes are worth in Alton 62002

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

This home
$30K$468K

This home is worth more than 97% of homes in Alton 62002.

How it measures up in Alton 62002

The dot is this home. The mark in the middle is the typical home in Alton 62002.

Estimated value$428,122
CheaperTypical $109,128Pricier

Pricier than 97% of homes nearby

Price per ft²$304
CheaperTypical $106Pricier

Pricier than 97% of homes nearby

Living area1,407 ft²
SmallerTypical 1,006 ft²Bigger

Bigger than 84% of homes nearby

Lot size0.55 ac
SmallerTypical 0.19 acBigger

Bigger than 87% of homes nearby

Year built1994
OlderTypical 1948Newer

Newer than 94% of homes nearby

How 870 Marc Dr ranks against every home in each area.
MeasureThis homeAlton 62002Madison County
Estimated valuepricier than$428,12297% of homes90% of homes
Price per ft²pricier than$30497% of homes89% of homes
Living areabigger than1,407 ft²84% of homes72% of homes
Lot sizebigger than0.55 ac87% of homes79% of homes
Year builtnewer than199494% of homes78% of homes

About 870 Marc Dr

How much is 870 Marc Dr, Alton, IL worth?

The TopHap Estimate for 870 Marc Dr, Alton, IL is $428,122 as of Sep 24, 2026. The likely range is $404,127 to $452,117. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 870 Marc Dr, Alton, IL last sell?

870 Marc Dr, Alton, IL last sold on Sep 19, 2022 for $330,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 870 Marc Dr, Alton, IL?

870 Marc Dr, Alton, IL has 4 bedrooms, 3 bathrooms, 1,407 square feet of living space and a 0.55-acre lot.

When was 870 Marc Dr, Alton, IL built?

870 Marc Dr, Alton, IL was built in 1994, making it 32 years old. It is a colonial home. The building has 2 stories.

What schools serve 870 Marc Dr, Alton, IL?

870 Marc Dr, Alton, IL is assigned to Gilson Brown Elementary School (elementary); Alton High School (high), rated D+; Alton Middle School (middle), rated D. All sit in Alton Community Unit School District 11. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 870 Marc Dr, Alton, IL compare to other homes in Alton 62002?

Among the 12,598 homes in Alton 62002, it is worth more than 97% of them ($428,122 against a typical $109,128), its price per square foot is higher than 97% of them ($304 against a typical $106), it is bigger than 84% of them (1,407 ft² against a typical 1,006 ft²), its lot is bigger than 87% of them (0.55 ac against a typical 0.19 ac) and it is newer than 94% of them (1994 against a typical 1948). Measured against all of Madison County, it is worth more than 90% 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 870 Marc Dr, Alton, IL?

The 2025 property tax bill for 870 Marc Dr, Alton, IL was $9,040. The county assessed it at $112,930.

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