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Single Family ResidenceResidential
$445,435$111 / 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 Oct 21, 2026
Last sold for $415,000 on Dec 16, 2022

320 S MAIN ST

PROSPECT, OH 43342
3
Beds
1
Baths
4,030 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.
1.16 ac
Lot SizeThe size of the land the home sits on, from county records.
1837
Year BuiltThe year the home was originally built, according to county records.
2
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.

Valuation

$445K
$399K low$492K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$415,000 · Dec 16, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,241 (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.$115,810 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$10,990
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$104,820
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$80,380
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$330,890

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.27
97
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
17
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
25
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.130 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.1 percent flood zone

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
CountyMarion
Lot (acres)The size of the land the home sits on, from county records.1.16
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Shingle
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes

Transaction History(4)

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.

M
Elgin Middle SchoolD+
Middle · Grades 6–8 · 9.0 mi
E
Elgin Elementary SchoolB-
Elementary · Grades KG–5 · 9.0 mi
H
Elgin High SchoolC+
High · Grades 9–12 · 9.0 mi

District: Elgin Local School District

Neighborhood · ZIP 43342These 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.168
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.44

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.13%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.0%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.6%
PopulationHow many people live in this area.3,422
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.87 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$83,481
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$101,298
Average tempThe average temperature here across a full year.51°F
Annual precipHow much rain and melted snow falls here in a typical year.38 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.50%

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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

320 S Main 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 more than 96% of homes in Marion County
  • Costs less per square foot than 79% of homes in Prospect 43342
  • Among the largest homes in Marion County
  • Has a bigger lot than 81% of homes in Marion County
  • Among the oldest homes in Prospect 43342

What homes are worth in Prospect 43342

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

This home
$89K$550K

This home is worth more than 94% of homes in Prospect 43342.

How it measures up in Prospect 43342

The dot is this home. The mark in the middle is the typical home in Prospect 43342.

Estimated value$445,435
CheaperTypical $230,101Pricier

Pricier than 94% of homes nearby

Price per ft²$111
CheaperTypical $148Pricier

Pricier than 21% of homes nearby

Living area4,030 ft²
SmallerTypical 1,592 ft²Bigger

Bigger than almost all homes nearby

Lot size1.16 ac
SmallerTypical 1 acBigger

Bigger than 58% of homes nearby

Year built1837
OlderTypical 1973Newer

Older than almost all homes nearby

How 320 S Main St ranks against every home in each area.
MeasureThis homeProspect 43342Marion County
Estimated valuepricier than$445,43594% of homes96% of homes
Price per ft²pricier than$11121% of homes43% of homes
Living areabigger than4,030 ft²almost all homesalmost all homes
Lot sizebigger than1.16 ac58% of homes81% of homes
Year builtnewer than1837almost no homesalmost no homes

About 320 S Main St

How much is 320 S Main St, Prospect, OH worth?

The TopHap Estimate for 320 S Main St, Prospect, OH is $445,435 as of Oct 21, 2026. The likely range is $398,660 to $492,210. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 320 S Main St, Prospect, OH last sell?

320 S Main St, Prospect, OH last sold on Dec 16, 2022 for $415,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 320 S Main St, Prospect, OH?

320 S Main St, Prospect, OH has 3 bedrooms, 1 bathrooms, 4,030 square feet of living space and a 1.16-acre lot.

When was 320 S Main St, Prospect, OH built?

320 S Main St, Prospect, OH was built in 1837, making it 189 years old. The building has 2 stories.

What schools serve 320 S Main St, Prospect, OH?

320 S Main St, Prospect, OH is assigned to Elgin Middle School (middle), rated D+; Elgin Elementary School (elementary), rated B-; Elgin High School (high), rated C+. All sit in Elgin Local School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 320 S Main St, Prospect, OH compare to other homes in Prospect 43342?

Among the 1,426 homes in Prospect 43342, it is worth more than 94% of them ($445,435 against a typical $230,101), its price per square foot is higher than 21% of them ($111 against a typical $148), it is bigger than almost all of them (4,030 ft² against a typical 1,592 ft²), its lot is bigger than 58% of them (1.16 ac against a typical 1 ac) and it is newer than almost none of them (1837 against a typical 1973). Measured against all of Marion County, it is worth more than 96% 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 320 S Main St, Prospect, OH?

The 2025 property tax bill for 320 S Main St, Prospect, OH was $4,241. The county assessed it at $115,810.

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