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Residential (General/Single)Residential
$127,694
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 41How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026

102 SOUTH ST

GROTON, SD 57445
0
Baths
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$128K
$52K low$203K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$11 (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.$804 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$626
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$178
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$804

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.6 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.Residential (General/Single)
CountyBROWN
Lot (acres)The size of the land the home sits on, from county records.0.17
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.

H
Groton Area High School - 01A-
High · Grades 9–12 · 8.4 mi
M
Groton Area Middle School - 04A-
Middle · Grades 6–8 · 8.4 mi
E
Groton Area Elementary - 02A
Elementary · Grades PK–5 · 8.6 mi

District: Groton Area School District 06-6

Neighborhood · ZIP 57445These 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.90
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.93
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.19

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.16%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.5%
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.2,244
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.9 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$83,166
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$101,343
Average tempThe average temperature here across a full year.43°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

102 South 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 90% of homes in Groton 57445
  • Has a smaller lot than 85% of homes in Groton 57445

What homes are worth in Groton 57445

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

This home
$48K$182K

This home is worth more than 90% of homes in Groton 57445.

How it measures up in Groton 57445

The dot is this home. The mark in the middle is the typical home in Groton 57445.

Estimated value$127,694
CheaperTypical $83,683Pricier

Pricier than 90% of homes nearby

Lot size0.17 ac
SmallerTypical 0.33 acBigger

Bigger than 15% of homes nearby

How 102 South St ranks against every home in each area.
MeasureThis homeGroton 57445Brown County
Estimated valuepricier than$127,69490% of homes62% of homes
Lot sizebigger than0.17 ac15% of homes29% of homes

About 102 South St

How much is 102 South St, Groton, SD worth?

The TopHap Estimate for 102 South St, Groton, SD is $127,694 as of Oct 21, 2026. The likely range is $52,134 to $203,254. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 102 South St, Groton, SD last sell?

102 South St, Groton, SD last sold on Jan 1, 1900, according to the county's recorded deed.

What schools serve 102 South St, Groton, SD?

102 South St, Groton, SD is assigned to Groton Area High School - 01 (high), rated A-; Groton Area Middle School - 04 (middle), rated A-; Groton Area Elementary - 02 (elementary), rated A. All sit in Groton Area School District 06-6. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 102 South St, Groton, SD compare to other homes in Groton 57445?

Among the 834 homes in Groton 57445, it is worth more than 90% of them ($127,694 against a typical $83,683) and its lot is bigger than 15% of them (0.17 ac against a typical 0.33 ac). Measured against all of Brown County, it is worth more than 62% 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 102 South St, Groton, SD?

The 2026 property tax bill for 102 South St, Groton, SD was $11. The county assessed it at $804.

More homes on South St

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More homes in Groton 57445

Assigned schools

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