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Single Family ResidenceResidential
$432,344$461 / 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 65How 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

12236 HARPER LN

CUSTER, SD 57730
1
Baths
938 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.
3.63 ac
Lot SizeThe size of the land the home sits on, from county records.
1973
Year BuiltThe year the home was originally built, according to county records.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$432K
$282K low$583K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,739 (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.$24,940 (2026)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$24,940
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$214,678
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$147,397

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.Mobile Home
CountyCUSTER
Lot (acres)The size of the land the home sits on, from county records.3.63
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.No Foundation
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
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

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

E
Custer Elementary - 02A-
Elementary · Grades PK–6 · 1.9 mi
H
Custer High School - 01B+
High · Grades 9–12 · 1.9 mi
M
Custer Jr. High - 05B+
Middle · Grades 7–8 · 1.9 mi

District: Custer School District 16-1

Neighborhood · ZIP 57730These 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.146
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 100.44

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.81%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.20%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.7%
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.5,941
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.12 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$73,295
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$92,357
Average tempThe average temperature here across a full year.44°F
Annual precipHow much rain and melted snow falls here in a typical year.19 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

12236 Harper Ln 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 69% of homes in Custer County
  • Costs more per square foot than 69% of homes in Custer 57730
  • Smaller than 80% of homes in Custer County
  • Older than 77% of homes in Custer County

What homes are worth in Custer 57730

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

This home
$197K$1.6M

This home is worth more than 34% of homes in Custer 57730.

How it measures up in Custer 57730

The dot is this home. The mark in the middle is the typical home in Custer 57730.

Estimated value$432,344
CheaperTypical $549,675Pricier

Pricier than 34% of homes nearby

Price per ft²$461
CheaperTypical $378Pricier

Pricier than 69% of homes nearby

Living area938 ft²
SmallerTypical 1,370 ft²Bigger

Bigger than 22% of homes nearby

Lot size3.63 ac
SmallerTypical 2.5 acBigger

Bigger than 59% of homes nearby

Year built1973
OlderTypical 1995Newer

Newer than 28% of homes nearby

How 12236 Harper Ln ranks against every home in each area.
MeasureThis homeCuster 57730Custer County
Estimated valuepricier than$432,34434% of homes31% of homes
Price per ft²pricier than$46169% of homes69% of homes
Living areabigger than938 ft²22% of homes20% of homes
Lot sizebigger than3.63 ac59% of homes49% of homes
Year builtnewer than197328% of homes23% of homes

About 12236 Harper Ln

How much is 12236 Harper Ln, Custer, SD worth?

The TopHap Estimate for 12236 Harper Ln, Custer, SD is $432,344 as of Sep 24, 2026. The likely range is $281,865 to $582,823. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 12236 Harper Ln, Custer, SD last sell?

12236 Harper Ln, Custer, SD last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 12236 Harper Ln, Custer, SD?

12236 Harper Ln, Custer, SD has 1 bathrooms, 938 square feet of living space and a 3.63-acre lot.

When was 12236 Harper Ln, Custer, SD built?

12236 Harper Ln, Custer, SD was built in 1973, making it 53 years old. It is a mobile home home.

What schools serve 12236 Harper Ln, Custer, SD?

12236 Harper Ln, Custer, SD is assigned to Custer Elementary - 02 (elementary), rated A-; Custer High School - 01 (high), rated B+; Custer Jr. High - 05 (middle), rated B+. All sit in Custer School District 16-1. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 12236 Harper Ln, Custer, SD compare to other homes in Custer 57730?

Among the 3,509 homes in Custer 57730, it is worth more than 34% of them ($432,344 against a typical $549,675), its price per square foot is higher than 69% of them ($461 against a typical $378), it is bigger than 22% of them (938 ft² against a typical 1,370 ft²), its lot is bigger than 59% of them (3.63 ac against a typical 2.5 ac) and it is newer than 28% of them (1973 against a typical 1995). Measured against all of Custer County, it is worth more than 31% 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 12236 Harper Ln, Custer, SD?

The 2025 property tax bill for 12236 Harper Ln, Custer, SD was $1,739. The county assessed it at $24,940.

More homes on Harper Ln

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More homes in Custer 57730

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