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Single Family ResidenceResidential
$81,974$71 / 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 74How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $35,000 on Sep 9, 1991

4646 BROCK COSMOS RD

ROSSBURG, OH 45362
3
Beds
1
Baths
1,152 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.
5.01 ac
Lot SizeThe size of the land the home sits on, from county records.
1900
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.
5
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$82K
$61K low$103K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$35,000 · Sep 9, 1991

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,683 (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.$51,110 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$16,290
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$34,820
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$146,010

Climate Risk

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
StyleThe architectural style of the home, such as ranch or colonial.Conventional
CountyDARKE
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.1975
Lot (acres)The size of the land the home sits on, from county records.5.01
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
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Central
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.Shed · 210 ft²Patio · 180 ft²Porch · 192 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
Ansonia High SchoolB+
High · Grades 9–12 · 3.5 mi
E
Ansonia Elementary SchoolB+
Elementary · Grades PK–6 · 3.5 mi
M
Ansonia Middle SchoolA
Middle · Grades 7–8 · 3.5 mi

District: Ansonia Local School District

Neighborhood · ZIP 45362These 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.128
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.222
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.75

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.7.2%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.12%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.1,219
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.35 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$78,524
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$88,731
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.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

4646 Brock Cosmos Rd 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 92% of homes in Darke County
  • Costs less per square foot than 88% of homes in Darke County
  • Smaller than 83% of homes in Rossburg 45362
  • Has a bigger lot than 90% of homes in Darke County
  • Older than 71% of homes in Darke County

What homes are worth in Rossburg 45362

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

This home
$42K$487K

This home is worth more than 19% of homes in Rossburg 45362.

How it measures up in Rossburg 45362

The dot is this home. The mark in the middle is the typical home in Rossburg 45362.

Estimated value$81,974
CheaperTypical $149,164Pricier

Pricier than 19% of homes nearby

Price per ft²$71
CheaperTypical $94Pricier

Pricier than 28% of homes nearby

Living area1,152 ft²
SmallerTypical 1,626 ft²Bigger

Bigger than 17% of homes nearby

Lot size5.01 ac
SmallerTypical 1.68 acBigger

Bigger than 79% of homes nearby

Year built1900
OlderTypical 1954Newer

Newer than 40% of homes nearby

How 4646 Brock Cosmos Rd ranks against every home in each area.
MeasureThis homeRossburg 45362Darke County
Estimated valuepricier than$81,97419% of homes8% of homes
Price per ft²pricier than$7128% of homes12% of homes
Living areabigger than1,152 ft²17% of homes19% of homes
Lot sizebigger than5.01 ac79% of homes90% of homes
Year builtnewer than190040% of homes29% of homes

About 4646 Brock Cosmos Rd

How much is 4646 Brock Cosmos Rd, Rossburg, OH worth?

The TopHap Estimate for 4646 Brock Cosmos Rd, Rossburg, OH is $81,974 as of Jul 14, 2026. The likely range is $61,058 to $102,890. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4646 Brock Cosmos Rd, Rossburg, OH last sell?

4646 Brock Cosmos Rd, Rossburg, OH last sold on Sep 9, 1991 for $35,000, according to the county's recorded deed.

How big is 4646 Brock Cosmos Rd, Rossburg, OH?

4646 Brock Cosmos Rd, Rossburg, OH has 3 bedrooms, 1 bathrooms, 1,152 square feet of living space and a 5.01-acre lot.

When was 4646 Brock Cosmos Rd, Rossburg, OH built?

4646 Brock Cosmos Rd, Rossburg, OH was built in 1900, making it 126 years old. It is a conventional home. The building has 2 stories.

What schools serve 4646 Brock Cosmos Rd, Rossburg, OH?

4646 Brock Cosmos Rd, Rossburg, OH is assigned to Ansonia High School (high), rated B+; Ansonia Elementary School (elementary), rated B+; Ansonia Middle School (middle), rated A. All sit in Ansonia Local School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4646 Brock Cosmos Rd, Rossburg, OH compare to other homes in Rossburg 45362?

Among the 362 homes in Rossburg 45362, it is worth more than 19% of them ($81,974 against a typical $149,164), its price per square foot is higher than 28% of them ($71 against a typical $94), it is bigger than 17% of them (1,152 ft² against a typical 1,626 ft²), its lot is bigger than 79% of them (5.01 ac against a typical 1.68 ac) and it is newer than 40% of them (1900 against a typical 1954). Measured against all of Darke County, it is worth more than 8% 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 4646 Brock Cosmos Rd, Rossburg, OH?

The 2025 property tax bill for 4646 Brock Cosmos Rd, Rossburg, OH was $1,683. The county assessed it at $51,110.

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