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Single Family ResidenceResidential
$231,790
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 95How 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
Last sold for $119,000 on Jan 18, 2019

421 SUMMIT ST

BELLE FOURCHE, SD 57717
0
Baths
3,790 ft²
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$232K
$219K low$244K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$119,000 · Jan 18, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,285 (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.$266,646 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$13,238
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$253,408
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$267,181
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$148,767

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.37
10
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
61
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
59
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
17
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
39
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.7 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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
StyleThe architectural style of the home, such as ranch or colonial.Townhouse
CountyBUTTE
Lot (acres)The size of the land the home sits on, from county records.0.09
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(2)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

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

E
South Park Elementary - 03B-
Elementary · Grades 1–4 · 0.2 mi
M
Belle Fourche Middle School - 07B
Middle · Grades 5–8 · 0.9 mi
H
Belle Fourche High School - 01C
High · Grades 9–12 · 0.9 mi

District: Belle Fourche School District 09-1

Neighborhood · ZIP 57717These 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.119
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.102
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.29

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.92%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.11%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.1%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.5%
PopulationHow many people live in this area.8,867
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.8 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$62,359
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$81,777
Average tempThe average temperature here across a full year.45°F
Annual precipHow much rain and melted snow falls here in a typical year.17 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

421 Summit 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 80% of homes in Belle Fourche 57717
  • Has a smaller lot than 97% of homes in Belle Fourche 57717

What homes are worth in Belle Fourche 57717

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

This home
$144K$964K

This home is worth more than 20% of homes in Belle Fourche 57717.

How it measures up in Belle Fourche 57717

The dot is this home. The mark in the middle is the typical home in Belle Fourche 57717.

Estimated value$231,790
CheaperTypical $322,000Pricier

Pricier than 20% of homes nearby

Lot size3,790 ft²
SmallerTypical 1 acBigger

Bigger than 3% of homes nearby

How 421 Summit St ranks against every home in each area.
MeasureThis homeBelle Fourche 57717Butte County
Estimated valuepricier than$231,79020% of homes23% of homes
Lot sizebigger than3,790 ft²3% of homes3% of homes

About 421 Summit St

How much is 421 Summit St, Belle Fourche, SD worth?

The TopHap Estimate for 421 Summit St, Belle Fourche, SD is $231,790 as of Aug 30, 2026. The likely range is $219,193 to $244,387. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 421 Summit St, Belle Fourche, SD last sell?

421 Summit St, Belle Fourche, SD last sold on Jan 18, 2019 for $119,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

What schools serve 421 Summit St, Belle Fourche, SD?

421 Summit St, Belle Fourche, SD is assigned to South Park Elementary - 03 (elementary), rated B-; Belle Fourche Middle School - 07 (middle), rated B; Belle Fourche High School - 01 (high), rated C. All sit in Belle Fourche School District 09-1. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 421 Summit St, Belle Fourche, SD compare to other homes in Belle Fourche 57717?

Among the 3,226 homes in Belle Fourche 57717, it is worth more than 20% of them ($231,790 against a typical $322,000) and its lot is bigger than 3% of them (3,790 ft² against a typical 1 ac). Measured against all of Butte County, it is worth more than 23% 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 421 Summit St, Belle Fourche, SD?

The 2026 property tax bill for 421 Summit St, Belle Fourche, SD was $3,285. The county assessed it at $266,646.

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Assigned schools

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