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Single Family ResidenceResidential
$170,264$145 / 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 83How 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

100 MAIN ST

JEFFERSON, SD 57038
2
Beds
0
Baths
1,172 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.
2.04 ac
Lot SizeThe size of the land the home sits on, from county records.
1937
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$170K
$142K low$199K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,205 (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.$193,865 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$76,541
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$117,324
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$193,865

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%

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
CountyUNION
Lot (acres)The size of the land the home sits on, from county records.2.04
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
GarageWhether the property has a garage, and details like whether it is attached to the home.Mixed
PoolWhether the property has a pool, and what kind, such as in-ground.No

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

E
Elk Point-Jefferson Elementary - 02C+
Elementary · Grades KG–5 · 8.8 mi
H
Elk Point-Jefferson High School - 01A
High · Grades 9–12 · 8.8 mi
M
Elk Point-Jefferson Middle School - 03C+
Middle · Grades 6–8 · 8.8 mi

District: Elk Point-Jefferson School District 61-7

Neighborhood · ZIP 57038These 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.160
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.97
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.22

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.22%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.1%
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.3,883
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.71 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$83,064
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$102,338
Average tempThe average temperature here across a full year.48°F
Annual precipHow much rain and melted snow falls here in a typical year.27 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

100 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 88% of homes in Union County
  • Costs less per square foot than 82% of homes in Union County
  • Smaller than 77% of homes in Jefferson 57038
  • Has a bigger lot than 87% of homes in Union County
  • Older than 85% of homes in Jefferson 57038

What homes are worth in Jefferson 57038

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

This home
$93K$899K

This home is worth more than 18% of homes in Jefferson 57038.

How it measures up in Jefferson 57038

The dot is this home. The mark in the middle is the typical home in Jefferson 57038.

Estimated value$170,264
CheaperTypical $280,290Pricier

Pricier than 18% of homes nearby

Price per ft²$145
CheaperTypical $188Pricier

Pricier than 24% of homes nearby

Living area1,172 ft²
SmallerTypical 1,665 ft²Bigger

Bigger than 23% of homes nearby

Lot size2.04 ac
SmallerTypical 1 acBigger

Bigger than 75% of homes nearby

Year built1937
OlderTypical 1995Newer

Newer than 15% of homes nearby

How 100 Main St ranks against every home in each area.
MeasureThis homeJefferson 57038Union County
Estimated valuepricier than$170,26418% of homes12% of homes
Price per ft²pricier than$14524% of homes18% of homes
Living areabigger than1,172 ft²23% of homes23% of homes
Lot sizebigger than2.04 ac75% of homes87% of homes
Year builtnewer than193715% of homes19% of homes

About 100 Main St

How much is 100 Main St, Jefferson, SD worth?

The TopHap Estimate for 100 Main St, Jefferson, SD is $170,264 as of Sep 24, 2026. The likely range is $141,882 to $198,646. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 100 Main St, Jefferson, SD last sell?

100 Main St, Jefferson, SD last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 100 Main St, Jefferson, SD?

100 Main St, Jefferson, SD has 2 bedrooms, 1,172 square feet of living space and a 2.04-acre lot.

When was 100 Main St, Jefferson, SD built?

100 Main St, Jefferson, SD was built in 1937, making it 89 years old. The building has 1 story.

What schools serve 100 Main St, Jefferson, SD?

100 Main St, Jefferson, SD is assigned to Elk Point-Jefferson Elementary - 02 (elementary), rated C+; Elk Point-Jefferson High School - 01 (high), rated A; Elk Point-Jefferson Middle School - 03 (middle), rated C+. All sit in Elk Point-Jefferson School District 61-7. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 100 Main St, Jefferson, SD compare to other homes in Jefferson 57038?

Among the 555 homes in Jefferson 57038, it is worth more than 18% of them ($170,264 against a typical $280,290), its price per square foot is higher than 24% of them ($145 against a typical $188), it is bigger than 23% of them (1,172 ft² against a typical 1,665 ft²), its lot is bigger than 75% of them (2.04 ac against a typical 1 ac) and it is newer than 15% of them (1937 against a typical 1995). Measured against all of Union County, it is worth more than 12% 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 100 Main St, Jefferson, SD?

The 2026 property tax bill for 100 Main St, Jefferson, SD was $3,205. The county assessed it at $193,865.

More homes on Main St

Closest homes

More homes in Jefferson 57038

Assigned schools

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