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Single Family ResidenceResidential
$86,850$134 / 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 66How 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

21 S MAIN ST

WEST ALEXANDRIA, OH 45381
2
Beds
1
Baths
648 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.
0.2 ac
Lot SizeThe size of the land the home sits on, from county records.
1890
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
4
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

$87K
$57K low$117K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,494 (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.$59,580 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$6,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$52,680
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$35,780
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$170,200

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.45
35
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
7
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
72
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
86
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
26
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.8 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.minimal

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
CountyPREBLE
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.2024
Lot (acres)The size of the land the home sits on, from county records.0.20
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
RoofThe main material covering the roof, such as asphalt shingle or tile.Shingle
HeatingThe type of heating system in the home.Central
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 · 60 ft²Porch · 258 ft²

Transaction History(3)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(1)

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

M
Twin Valley South Middle SchoolC-
Middle · Grades 7–8 · 0.4 mi
E
Twin Valley South Elementary SchoolB-
Elementary · Grades KG–6 · 0.4 mi
H
Twin Valley South High SchoolB-
High · Grades 9–12 · 0.4 mi

District: Twin Valley Community Local School District

Neighborhood · ZIP 45381These 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.132
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.209
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.92%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.11%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.9%
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.5,087
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.98 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$73,292
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$94,884
Average tempThe average temperature here across a full year.52°F
Annual precipHow much rain and melted snow falls here in a typical year.40 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.54%

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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

21 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 less than 98% of homes in West Alexandria 45381
  • Among the smallest homes in West Alexandria 45381
  • Has a smaller lot than 84% of homes in West Alexandria 45381
  • Older than 95% of homes in Preble County

What homes are worth in West Alexandria 45381

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

This home
$81K$548K

This home is worth more than 2% of homes in West Alexandria 45381.

How it measures up in West Alexandria 45381

The dot is this home. The mark in the middle is the typical home in West Alexandria 45381.

Estimated value$86,850
CheaperTypical $223,035Pricier

Pricier than 2% of homes nearby

Price per ft²$134
CheaperTypical $143Pricier

Pricier than 42% of homes nearby

Living area648 ft²
SmallerTypical 1,621 ft²Bigger

Smaller than almost all homes nearby

Lot size0.2 ac
SmallerTypical 1 acBigger

Bigger than 16% of homes nearby

Year built1890
OlderTypical 1964Newer

Newer than 6% of homes nearby

How 21 S Main St ranks against every home in each area.
MeasureThis homeWest Alexandria 45381Preble County
Estimated valuepricier than$86,8502% of homes4% of homes
Price per ft²pricier than$13442% of homes38% of homes
Living areabigger than648 ft²almost no homesalmost no homes
Lot sizebigger than0.2 ac16% of homes19% of homes
Year builtnewer than18906% of homes5% of homes

About 21 S Main St

How much is 21 S Main St, West Alexandria, OH worth?

The TopHap Estimate for 21 S Main St, West Alexandria, OH is $86,850 as of Sep 24, 2026. The likely range is $56,952 to $116,748. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 S Main St, West Alexandria, OH last sell?

21 S Main St, West Alexandria, OH last sold on Oct 21, 2024, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 21 S Main St, West Alexandria, OH?

21 S Main St, West Alexandria, OH has 2 bedrooms, 1 bathrooms, 648 square feet of living space and a 0.20-acre lot.

When was 21 S Main St, West Alexandria, OH built?

21 S Main St, West Alexandria, OH was built in 1890, making it 136 years old. The building has 1 story.

What schools serve 21 S Main St, West Alexandria, OH?

21 S Main St, West Alexandria, OH is assigned to Twin Valley South Middle School (middle), rated C-; Twin Valley South Elementary School (elementary), rated B-; Twin Valley South High School (high), rated B-. All sit in Twin Valley Community Local School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 S Main St, West Alexandria, OH compare to other homes in West Alexandria 45381?

Among the 2,228 homes in West Alexandria 45381, it is worth more than 2% of them ($86,850 against a typical $223,035), its price per square foot is higher than 42% of them ($134 against a typical $143), it is bigger than almost none of them (648 ft² against a typical 1,621 ft²), its lot is bigger than 16% of them (0.2 ac against a typical 1 ac) and it is newer than 6% of them (1890 against a typical 1964). Measured against all of Preble County, it is worth more than 4% 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 21 S Main St, West Alexandria, OH?

The 2025 property tax bill for 21 S Main St, West Alexandria, OH was $2,494. The county assessed it at $59,580.

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Assigned schools

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