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Single Family ResidenceResidential
$39,432$27 / 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 73How 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 $44,900 on Sep 26, 2018

21 ERNST AVE

DAYTON, OH 45405
4
Beds
1
Baths
1,472 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.
4,199 ft²
Lot SizeThe size of the land the home sits on, from county records.
1905
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
7
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

$39K
$29K low$50K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$44,900 · Sep 26, 2018

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,270 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$21,320 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$4,110
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$17,210
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$60,900

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyMONTGOMERY
Lot (acres)The size of the land the home sits on, from county records.0.10
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
HeatingThe type of heating system 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, Detached
PoolWhether the property has a pool, and what kind, such as in-ground.No
ViewThe type of view from the property, or another feature of the site that affects value.Neighborhood / Spot
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 144 ft²

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
Edwin Joel Brown Middle SchoolF
Middle · Grades 7–8 · 0.2 mi
E
Valerie Elementary SchoolF
Elementary · Grades PK–6 · 2.7 mi
H
Meadowdale High SchoolD-
High · Grades 9–12 · 2.9 mi

District: Dayton City School District

Neighborhood · ZIP 45405These 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.152
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.210
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.51

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.82%
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.24%
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.18,411
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,669 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$43,336
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$54,271
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 Ernst Ave 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 Montgomery County
  • Among the lowest price per square foot in Montgomery County
  • Bigger than 69% of homes in North Riverdale
  • Has a smaller lot than 89% of homes in Dayton 45405
  • Older than 98% of homes in North Riverdale

What homes are worth in Dayton 45405

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

This home
$33K$285K

This home is worth more than 6% of homes in Dayton 45405.

How it measures up in Dayton 45405

The dot is this home. The mark in the middle is the typical home in Dayton 45405.

Estimated value$39,432
CheaperTypical $86,970Pricier

Pricier than 6% of homes nearby

Price per ft²$27
CheaperTypical $66Pricier

Pricier than 3% of homes nearby

Living area1,472 ft²
SmallerTypical 1,439 ft²Bigger

Bigger than 53% of homes nearby

Lot size4,199 ft²
SmallerTypical 0.13 acBigger

Bigger than 11% of homes nearby

Year built1905
OlderTypical 1928Newer

Newer than 8% of homes nearby

How 21 Ernst Ave ranks against every home in each area.
MeasureThis homeNorth RiverdaleDayton 45405Montgomery County
Estimated valuepricier than$39,43210% of homes6% of homes2% of homes
Price per ft²pricier than$272% of homes3% of homesalmost no homes
Living areabigger than1,472 ft²69% of homes53% of homes54% of homes
Lot sizebigger than4,199 ft²17% of homes11% of homes11% of homes
Year builtnewer than19052% of homes8% of homes4% of homes

About 21 Ernst Ave

How much is 21 Ernst Ave, Dayton, OH worth?

The TopHap Estimate for 21 Ernst Ave, Dayton, OH is $39,432 as of Sep 24, 2026. The likely range is $28,783 to $50,081. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Ernst Ave, Dayton, OH last sell?

21 Ernst Ave, Dayton, OH last sold on Sep 26, 2018 for $44,900, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 21 Ernst Ave, Dayton, OH?

21 Ernst Ave, Dayton, OH has 4 bedrooms, 1 bathrooms, 1,472 square feet of living space and a 0.10-acre lot.

When was 21 Ernst Ave, Dayton, OH built?

21 Ernst Ave, Dayton, OH was built in 1905, making it 121 years old. The building has 2 stories.

What schools serve 21 Ernst Ave, Dayton, OH?

21 Ernst Ave, Dayton, OH is assigned to Edwin Joel Brown Middle School (middle), rated F; Valerie Elementary School (elementary), rated F; Meadowdale High School (high), rated D-. All sit in Dayton City School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Ernst Ave, Dayton, OH compare to other homes in Dayton 45405?

Among the 6,269 homes in Dayton 45405, it is worth more than 6% of them ($39,432 against a typical $86,970), its price per square foot is higher than 3% of them ($27 against a typical $66), it is bigger than 53% of them (1,472 ft² against a typical 1,439 ft²), its lot is bigger than 11% of them (4,199 ft² against a typical 0.13 ac) and it is newer than 8% of them (1905 against a typical 1928). Measured against all of Montgomery County, it is worth more than 2% 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 Ernst Ave, Dayton, OH?

The 2024 property tax bill for 21 Ernst Ave, Dayton, OH was $1,270. The county assessed it at $21,320.

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