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Cluster HomeResidential
$278,063$192 / 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 Oct 21, 2026
Last sold for $220,000 on May 4, 2026

520 ALTON ST

LONDON, OH 43140
2
Beds
2
Baths
1,448 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.
2,245 ft²
Lot SizeThe size of the land the home sits on, from county records.
1996
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
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
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$220,000 · May 4, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,753 (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.$62,950 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$8,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$54,150
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$179,870

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Cluster Home
CountyMADISON
Lot (acres)The size of the land the home sits on, from county records.0.05
ConstructionThe main material the home's frame and walls are built from.Brick
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Raised (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Shingle
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Patio · 170 ft²Porch · 56 ft²

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
London High SchoolC
High · Grades 9–12 · 1.1 mi
E
London Elementary SchoolC+
Elementary · Grades PK–5 · 1.2 mi
M
London Middle SchoolD+
Middle · Grades 6–8 · 1.3 mi

District: London City School District

Neighborhood · ZIP 43140These 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.114
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.182
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.45

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.14%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.7%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.25,028
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.110 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$77,649
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$90,674
Average tempThe average temperature here across a full year.51°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.49%

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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

520 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.

  • Has a smaller lot than 97% of homes in London 43140
  • Newer than 77% of homes in London 43140

What homes are worth in London 43140

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

This home
$101K$788K

This home is worth more than 47% of homes in London 43140.

How it measures up in London 43140

The dot is this home. The mark in the middle is the typical home in London 43140.

Estimated value$278,063
CheaperTypical $291,958Pricier

Pricier than 47% of homes nearby

Price per ft²$192
CheaperTypical $184Pricier

Pricier than 57% of homes nearby

Living area1,448 ft²
SmallerTypical 1,620 ft²Bigger

Bigger than 39% of homes nearby

Lot size2,245 ft²
SmallerTypical 0.34 acBigger

Bigger than 3% of homes nearby

Year built1996
OlderTypical 1974Newer

Newer than 77% of homes nearby

How 520 Alton St ranks against every home in each area.
MeasureThis homeLondon 43140Madison County
Estimated valuepricier than$278,06347% of homes44% of homes
Price per ft²pricier than$19257% of homes51% of homes
Living areabigger than1,448 ft²39% of homes36% of homes
Lot sizebigger than2,245 ft²3% of homes4% of homes
Year builtnewer than199677% of homes75% of homes

About 520 Alton St

How much is 520 Alton St, London, OH worth?

The TopHap Estimate for 520 Alton St, London, OH is $278,063 as of Oct 21, 2026. The likely range is $251,082 to $305,044. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 520 Alton St, London, OH last sell?

520 Alton St, London, OH last sold on May 4, 2026 for $220,000, according to the county's recorded deed.

How big is 520 Alton St, London, OH?

520 Alton St, London, OH has 2 bedrooms, 2 bathrooms, 1,448 square feet of living space and a 0.05-acre lot.

When was 520 Alton St, London, OH built?

520 Alton St, London, OH was built in 1996, making it 30 years old. The building has 1 story.

What schools serve 520 Alton St, London, OH?

520 Alton St, London, OH is assigned to London High School (high), rated C; London Elementary School (elementary), rated C+; London Middle School (middle), rated D+. All sit in London City School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 520 Alton St, London, OH compare to other homes in London 43140?

Among the 7,022 homes in London 43140, it is worth more than 47% of them ($278,063 against a typical $291,958), its price per square foot is higher than 57% of them ($192 against a typical $184), it is bigger than 39% of them (1,448 ft² against a typical 1,620 ft²), its lot is bigger than 3% of them (2,245 ft² against a typical 0.34 ac) and it is newer than 77% of them (1996 against a typical 1974). Measured against all of Madison County, it is worth more than 44% 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 520 Alton St, London, OH?

The 2025 property tax bill for 520 Alton St, London, OH was $1,753. The county assessed it at $62,950.

More homes on Alton St

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Assigned schools

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