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Single Family ResidenceResidential
$464,195$272 / 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 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

18521 228TH ST

WALL, SD 57790
3
Beds
1
Baths
1,704 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.
239 ac
Lot SizeThe size of the land the home sits on, from county records.
1922
Year BuiltThe year the home was originally built, according to county records.

Valuation

$464K
$439K low$490K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$970 (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.$154,400 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$82,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$72,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$154,400

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.197 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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
CountyPENNINGTON
Lot (acres)The size of the land the home sits on, from county records.239.00
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.

M
Wall Middle School - 06B
Middle · Grades 6–8 · 8.2 mi
E
Wall Elementary - 02A-
Elementary · Grades KG–5 · 8.2 mi
H
Wall High School - 01B-
High · Grades 9–12 · 8.2 mi

District: Wall School District 51-5

Neighborhood · ZIP 57790These 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.161
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.98
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.25

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.86%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.18%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.12%
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.1,056
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$72,439
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$97,552
Average tempThe average temperature here across a full year.47°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

18521 228th 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 87% of homes in Wall 57790
  • Costs more per square foot than 80% of homes in Wall 57790
  • Bigger than 68% of homes in Pennington County
  • Among the largest lots in Pennington County
  • Older than 98% of homes in Pennington County

What homes are worth in Wall 57790

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

This home
$102K$763K

This home is worth more than 87% of homes in Wall 57790.

How it measures up in Wall 57790

The dot is this home. The mark in the middle is the typical home in Wall 57790.

Estimated value$464,195
CheaperTypical $284,393Pricier

Pricier than 87% of homes nearby

Price per ft²$272
CheaperTypical $201Pricier

Pricier than 80% of homes nearby

Living area1,704 ft²
SmallerTypical 1,440 ft²Bigger

Bigger than 65% of homes nearby

Lot size239 ac
SmallerTypical 0.36 acBigger

Bigger than 86% of homes nearby

Year built1922
OlderTypical 1966Newer

Newer than 12% of homes nearby

How 18521 228th St ranks against every home in each area.
MeasureThis homeWall 57790Pennington County
Estimated valuepricier than$464,19587% of homes70% of homes
Price per ft²pricier than$27280% of homes25% of homes
Living areabigger than1,704 ft²65% of homes68% of homes
Lot sizebigger than239 ac86% of homesalmost all homes
Year builtnewer than192212% of homes2% of homes

About 18521 228th St

How much is 18521 228th St, Wall, SD worth?

The TopHap Estimate for 18521 228th St, Wall, SD is $464,195 as of Aug 30, 2026. The likely range is $438,672 to $489,718. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18521 228th St, Wall, SD last sell?

18521 228th St, Wall, SD last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 18521 228th St, Wall, SD?

18521 228th St, Wall, SD has 3 bedrooms, 1 bathrooms, 1,704 square feet of living space and a 239.00-acre lot.

When was 18521 228th St, Wall, SD built?

18521 228th St, Wall, SD was built in 1922, making it 104 years old.

What schools serve 18521 228th St, Wall, SD?

18521 228th St, Wall, SD is assigned to Wall Middle School - 06 (middle), rated B; Wall Elementary - 02 (elementary), rated A-; Wall High School - 01 (high), rated B-. All sit in Wall School District 51-5. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18521 228th St, Wall, SD compare to other homes in Wall 57790?

Among the 433 homes in Wall 57790, it is worth more than 87% of them ($464,195 against a typical $284,393), its price per square foot is higher than 80% of them ($272 against a typical $201), it is bigger than 65% of them (1,704 ft² against a typical 1,440 ft²), its lot is bigger than 86% of them (239 ac against a typical 0.36 ac) and it is newer than 12% of them (1922 against a typical 1966). Measured against all of Pennington County, it is worth more than 70% 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 18521 228th St, Wall, SD?

The 2025 property tax bill for 18521 228th St, Wall, SD was $970. The county assessed it at $154,400.

More homes on 228th St

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Assigned schools

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