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Single Family ResidenceResidential
$140,714$83 / 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 92How 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

39151 128TH ST

MANSFIELD, SD 57460
2
Beds
1
Baths
1,696 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.
22.23 ac
Lot SizeThe size of the land the home sits on, from county records.
1958
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
1
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$141K
$130K low$152K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,617 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$220,586 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$54,720
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$165,866
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$212,832
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$220,586

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.12 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.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
CountyBROWN
Lot (acres)The size of the land the home sits on, from county records.22.23
RoofThe main material covering the roof, such as asphalt shingle or tile.Asbestos
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
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.Porch · 512 ft²

Neighborhood · ZIP 57460These 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.53
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.94
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.18

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.88%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.27%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.6%
PopulationHow many people live in this area.580
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$92,293
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$114,600
Average tempThe average temperature here across a full year.44°F
Annual precipHow much rain and melted snow falls here in a typical year.20 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.63%

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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

39151 128th 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 89% of homes in Mansfield 57460
  • Costs more per square foot than 75% of homes in Mansfield 57460
  • Bigger than 74% of homes in Brown County
  • Has a bigger lot than 93% of homes in Brown County

What homes are worth in Mansfield 57460

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

This home
$67K$260K

This home is worth more than 89% of homes in Mansfield 57460.

How it measures up in Mansfield 57460

The dot is this home. The mark in the middle is the typical home in Mansfield 57460.

Estimated value$140,714
CheaperTypical $122,510Pricier

Pricier than 89% of homes nearby

Price per ft²$83
CheaperTypical $54Pricier

Pricier than 75% of homes nearby

Living area1,696 ft²
SmallerTypical 1,568 ft²Bigger

Bigger than 60% of homes nearby

Lot size22.23 ac
SmallerTypical 10.64 acBigger

Bigger than 59% of homes nearby

Year built1958
OlderTypical 1948Newer

Newer than 57% of homes nearby

How 39151 128th St ranks against every home in each area.
MeasureThis homeMansfield 57460Brown County
Estimated valuepricier than$140,71489% of homes73% of homes
Price per ft²pricier than$8375% of homes53% of homes
Living areabigger than1,696 ft²60% of homes74% of homes
Lot sizebigger than22.23 ac59% of homes93% of homes
Year builtnewer than195857% of homes44% of homes

About 39151 128th St

How much is 39151 128th St, Mansfield, SD worth?

The TopHap Estimate for 39151 128th St, Mansfield, SD is $140,714 as of Sep 24, 2026. The likely range is $129,565 to $151,863. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 39151 128th St, Mansfield, SD last sell?

39151 128th St, Mansfield, SD last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 39151 128th St, Mansfield, SD?

39151 128th St, Mansfield, SD has 2 bedrooms, 1 bathrooms, 1,696 square feet of living space and a 22.23-acre lot.

When was 39151 128th St, Mansfield, SD built?

39151 128th St, Mansfield, SD was built in 1958, making it 68 years old. The building has 1 story.

How does 39151 128th St, Mansfield, SD compare to other homes in Mansfield 57460?

Among the 144 homes in Mansfield 57460, it is worth more than 89% of them ($140,714 against a typical $122,510), its price per square foot is higher than 75% of them ($83 against a typical $54), it is bigger than 60% of them (1,696 ft² against a typical 1,568 ft²), its lot is bigger than 59% of them (22.23 ac against a typical 10.64 ac) and it is newer than 57% of them (1958 against a typical 1948). Measured against all of Brown County, it is worth more than 73% 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 39151 128th St, Mansfield, SD?

The 2026 property tax bill for 39151 128th St, Mansfield, SD was $2,617. The county assessed it at $220,586.

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