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Single Family ResidenceResidential
$140,085$83 / 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 89How 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 $120,000 on Jan 3, 2024

321 E ALTON ST

MARINE, IL 62061
1
Beds
2
Baths
1,680 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.
0.29 ac
Lot SizeThe size of the land the home sits on, from county records.
1997
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
1
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

$140K
$125K low$155K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$120,000 · Jan 3, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,933 (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.$32,450 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$8,110
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$24,340
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$29,730
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$97,350

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.40
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.
73
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
24
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.Mobile Home
CountyMADISON
Lot (acres)The size of the land the home sits on, from county records.0.29
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
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(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.

E
Marine Elementary SchoolB+
Elementary · Grades KG–5 · 0.5 mi
M
Triad Middle SchoolA-
Middle · Grades 6–8 · 5.6 mi
H
Triad High SchoolA
High · Grades 9–12 · 6.8 mi

District: Triad Community Unit School District 2

Neighborhood · ZIP 62061These 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.67
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.100
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.145

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.25%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.4%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.1,993
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.93 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$97,507
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$114,582
Average tempThe average temperature here across a full year.55°F
Annual precipHow much rain and melted snow falls here in a typical year.42 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

321 E Alton 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 91% of homes in Marine 62061
  • Among the lowest price per square foot in Marine 62061
  • Bigger than 85% of homes in Madison County
  • Has a smaller lot than 69% of homes in Marine 62061
  • Newer than 82% of homes in Madison County

What homes are worth in Marine 62061

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

This home
$111K$675K

This home is worth more than 9% of homes in Marine 62061.

How it measures up in Marine 62061

The dot is this home. The mark in the middle is the typical home in Marine 62061.

Estimated value$140,085
CheaperTypical $267,217Pricier

Pricier than 9% of homes nearby

Price per ft²$83
CheaperTypical $217Pricier

Cheaper than almost all homes nearby

Living area1,680 ft²
SmallerTypical 1,200 ft²Bigger

Bigger than 78% of homes nearby

Lot size0.29 ac
SmallerTypical 0.62 acBigger

Bigger than 31% of homes nearby

Year built1997
OlderTypical 1974Newer

Newer than 71% of homes nearby

How 321 E Alton St ranks against every home in each area.
MeasureThis homeMarine 62061Madison County
Estimated valuepricier than$140,0859% of homes34% of homes
Price per ft²pricier than$83almost no homes13% of homes
Living areabigger than1,680 ft²78% of homes85% of homes
Lot sizebigger than0.29 ac31% of homes58% of homes
Year builtnewer than199771% of homes82% of homes

About 321 E Alton St

How much is 321 E Alton St, Marine, IL worth?

The TopHap Estimate for 321 E Alton St, Marine, IL is $140,085 as of Sep 24, 2026. The likely range is $125,300 to $154,870. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 321 E Alton St, Marine, IL last sell?

321 E Alton St, Marine, IL last sold on Jan 3, 2024 for $120,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 321 E Alton St, Marine, IL?

321 E Alton St, Marine, IL has 1 bedrooms, 2 bathrooms, 1,680 square feet of living space and a 0.29-acre lot.

When was 321 E Alton St, Marine, IL built?

321 E Alton St, Marine, IL was built in 1997, making it 29 years old. It is a mobile home home. The building has 1 story.

What schools serve 321 E Alton St, Marine, IL?

321 E Alton St, Marine, IL is assigned to Marine Elementary School (elementary), rated B+; Triad Middle School (middle), rated A-; Triad High School (high), rated A. All sit in Triad Community Unit School District 2. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 321 E Alton St, Marine, IL compare to other homes in Marine 62061?

Among the 717 homes in Marine 62061, it is worth more than 9% of them ($140,085 against a typical $267,217), its price per square foot is higher than almost none of them ($83 against a typical $217), it is bigger than 78% of them (1,680 ft² against a typical 1,200 ft²), its lot is bigger than 31% of them (0.29 ac against a typical 0.62 ac) and it is newer than 71% of them (1997 against a typical 1974). Measured against all of Madison County, it is worth more than 34% 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 321 E Alton St, Marine, IL?

The 2025 property tax bill for 321 E Alton St, Marine, IL was $1,933. The county assessed it at $32,450.

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