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Commercial (General)Commercial

18 COMMERCE ST

GROTON, SD 57445
0
Baths
17,090 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.
1.25 ac
Lot SizeThe size of the land the home sits on, from county records.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,012 (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.$433,493 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$81,675
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$351,818
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$408,154
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$433,493

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.Commercial (General)
CountyBROWN
Lot (acres)The size of the land the home sits on, from county records.1.25
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 · 0.4 mi
M
Groton Area Middle School - 04B
Middle · Grades 6–8 · 0.4 mi
E
Groton Area Elementary - 02B
Elementary · Grades PK–5 · 0.6 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

18 Commerce 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.

  • Among the largest homes in Groton 57445
  • Has a bigger lot than 79% of homes in Brown County

How it measures up in Groton 57445

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

Living area17,090 ft²
SmallerTypical 1,572 ft²Bigger

Bigger than almost all homes nearby

Lot size1.25 ac
SmallerTypical 0.35 acBigger

Bigger than 72% of homes nearby

How 18 Commerce St ranks against every home in each area.
MeasureThis homeGroton 57445Brown County
Living areabigger than17,090 ft²almost all homesalmost all homes
Lot sizebigger than1.25 ac72% of homes79% of homes

About 18 Commerce St

When did 18 Commerce St, Groton, SD last sell?

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

How big is 18 Commerce St, Groton, SD?

18 Commerce St, Groton, SD has 17,090 square feet of living space and a 1.25-acre lot.

What schools serve 18 Commerce St, Groton, SD?

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

How does 18 Commerce St, Groton, SD compare to other homes in Groton 57445?

Among the 834 homes in Groton 57445, it is bigger than almost all of them (17,090 ft² against a typical 1,572 ft²) and its lot is bigger than 72% of them (1.25 ac against a typical 0.35 ac). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 18 Commerce St, Groton, SD?

The 2026 property tax bill for 18 Commerce St, Groton, SD was $8,012. The county assessed it at $433,493.

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Assigned schools

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