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Single Family ResidenceResidential
$155,896$119 / 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 87How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026

502 MAIN ST

BUFFALO, SD 57720
4
Beds
1.5
Baths
1,312 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.
0.41 ac
Lot SizeThe size of the land the home sits on, from county records.
1910
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$156K
$136K low$175K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$849 (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.$54,735 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$20,580
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$34,155
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$52,145

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.3 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%

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.A-Frame
CountyHARDING
Lot (acres)The size of the land the home sits on, from county records.0.41
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.None
GarageWhether the property has a garage, and details like whether it is attached to the home.Carport (Unspecified)
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.Deck · 228 ft²Shed · 154 ft²

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

H
Harding County High School - 01B
High · Grades 9–12 · 0.5 mi
M
Harding County Middle School - 03B
Middle · Grades 6–8 · 0.5 mi
E
Buffalo Elementary - 02B
Elementary · Grades KG–5 · 0.5 mi

District: Harding County School District 31-1

Neighborhood · ZIP 57720These 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.130
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.95
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.20

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.79%
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.5.7%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.7%
PopulationHow many people live in this area.630
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$71,857
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$99,349
Average tempThe average temperature here across a full year.44°F
Annual precipHow much rain and melted snow falls here in a typical year.16 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

502 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 72% of homes in Harding County
  • Costs less per square foot than 78% of homes in Harding County
  • Has a smaller lot than 71% of homes in Harding County
  • Older than 92% of homes in Buffalo 57720

What homes are worth in Buffalo 57720

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

This home
$118K$374K

This home is worth more than 33% of homes in Buffalo 57720.

How it measures up in Buffalo 57720

The dot is this home. The mark in the middle is the typical home in Buffalo 57720.

Estimated value$155,896
CheaperTypical $187,898Pricier

Pricier than 33% of homes nearby

Price per ft²$119
CheaperTypical $137Pricier

Pricier than 27% of homes nearby

Living area1,312 ft²
SmallerTypical 1,309 ft²Bigger

Bigger than 51% of homes nearby

Lot size0.41 ac
SmallerTypical 0.53 acBigger

Bigger than 43% of homes nearby

Year built1910
OlderTypical 1978Newer

Newer than 8% of homes nearby

How 502 Main St ranks against every home in each area.
MeasureThis homeBuffalo 57720Harding County
Estimated valuepricier than$155,89633% of homes28% of homes
Price per ft²pricier than$11927% of homes22% of homes
Living areabigger than1,312 ft²51% of homes47% of homes
Lot sizebigger than0.41 ac43% of homes29% of homes
Year builtnewer than19108% of homes9% of homes

About 502 Main St

How much is 502 Main St, Buffalo, SD worth?

The TopHap Estimate for 502 Main St, Buffalo, SD is $155,896 as of Aug 30, 2026. The likely range is $136,351 to $175,441. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 502 Main St, Buffalo, SD last sell?

502 Main St, Buffalo, SD last sold on Mar 12, 2012, according to the county's recorded deed.

How big is 502 Main St, Buffalo, SD?

502 Main St, Buffalo, SD has 4 bedrooms, 1.5 bathrooms, 1,312 square feet of living space and a 0.41-acre lot.

When was 502 Main St, Buffalo, SD built?

502 Main St, Buffalo, SD was built in 1910, making it 116 years old. It is a a-frame home. The building has 1 story.

What schools serve 502 Main St, Buffalo, SD?

502 Main St, Buffalo, SD is assigned to Harding County High School - 01 (high), rated B; Harding County Middle School - 03 (middle), rated B; Buffalo Elementary - 02 (elementary), rated B. All sit in Harding County School District 31-1. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 502 Main St, Buffalo, SD compare to other homes in Buffalo 57720?

Among the 419 homes in Buffalo 57720, it is worth more than 33% of them ($155,896 against a typical $187,898), its price per square foot is higher than 27% of them ($119 against a typical $137), it is bigger than 51% of them (1,312 ft² against a typical 1,309 ft²), its lot is bigger than 43% of them (0.41 ac against a typical 0.53 ac) and it is newer than 8% of them (1910 against a typical 1978). Measured against all of Harding County, it is worth more than 28% 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 502 Main St, Buffalo, SD?

The 2025 property tax bill for 502 Main St, Buffalo, SD was $849. The county assessed it at $54,735.

More homes on Main St

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More homes in Buffalo 57720

Assigned schools

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