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Single Family ResidenceResidential
$647,026$414 / 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 75How 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

17630 BASE LINE RD

WASTA, SD 57791
1
Beds
1 / 1
Baths
1,562 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.
581.4 ac
Lot SizeThe size of the land the home sits on, from county records.
1927
Year BuiltThe year the home was originally built, according to county records.

Valuation

$647K
$485K low$809K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,357 (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.$295,000 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$133,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$161,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$295,000

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.1 percent flood zone

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.Ranch
CountyPENNINGTON
Lot (acres)The size of the land the home sits on, from county records.581.40
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
New Underwood Elementary - 02C+
Elementary · Grades KG–5 · 16.0 mi
H
New Underwood High School - 01C+
High · Grades 9–12 · 16.0 mi
M
New Underwood Middle School - 04C
Middle · Grades 6–8 · 16.0 mi

District: New Underwood School District 51-3

Neighborhood · ZIP 57791These 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.164
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.99
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.27

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.84%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.29%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.10%
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.226
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.$64,686
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$101,082
Average tempThe average temperature here across a full year.46°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

17630 Base Line Rd 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 86% of homes in Pennington County
  • Costs more per square foot than 89% of homes in Pennington County
  • Among the largest lots in Pennington County
  • Older than 97% of homes in Pennington County

What homes are worth in Pennington County

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

This home
$135K$1.2M

This home is worth more than 95% of homes in Pennington County.

How it measures up in Pennington County

The dot is this home. The mark in the middle is the typical home in Pennington County.

Estimated value$647,026
CheaperTypical $368,929Pricier

Pricier than 86% of homes nearby

Price per ft²$414
CheaperTypical $323Pricier

Pricier than 89% of homes nearby

Living area1,562 ft²
SmallerTypical 1,308 ft²Bigger

Bigger than 63% of homes nearby

Lot size581.4 ac
SmallerTypical 0.24 acBigger

Bigger than almost all homes nearby

Year built1927
OlderTypical 1981Newer

Newer than 3% of homes nearby

How 17630 Base Line Rd ranks against every home in each area.
MeasureThis homePennington County
Estimated valuepricier than$647,02686% of homes
Price per ft²pricier than$41489% of homes
Living areabigger than1,562 ft²63% of homes
Lot sizebigger than581.4 acalmost all homes
Year builtnewer than19273% of homes

About 17630 Base Line Rd

How much is 17630 Base Line Rd, Wasta, SD worth?

The TopHap Estimate for 17630 Base Line Rd, Wasta, SD is $647,026 as of Aug 30, 2026. The likely range is $484,905 to $809,147. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 17630 Base Line Rd, Wasta, SD last sell?

17630 Base Line Rd, Wasta, SD last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 17630 Base Line Rd, Wasta, SD?

17630 Base Line Rd, Wasta, SD has 1 bedrooms, 1 bathrooms, 1,562 square feet of living space and a 581.40-acre lot.

When was 17630 Base Line Rd, Wasta, SD built?

17630 Base Line Rd, Wasta, SD was built in 1927, making it 99 years old. It is a ranch home.

What schools serve 17630 Base Line Rd, Wasta, SD?

17630 Base Line Rd, Wasta, SD is assigned to New Underwood Elementary - 02 (elementary), rated C+; New Underwood High School - 01 (high), rated C+; New Underwood Middle School - 04 (middle), rated C. All sit in New Underwood School District 51-3. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 17630 Base Line Rd, Wasta, SD compare to other homes in Pennington County?

Among the 39,965 homes in Pennington County, it is worth more than 86% of them ($647,026 against a typical $368,929), its price per square foot is higher than 89% of them ($414 against a typical $323), it is bigger than 63% of them (1,562 ft² against a typical 1,308 ft²), its lot is bigger than almost all of them (581.4 ac against a typical 0.24 ac) and it is newer than 3% of them (1927 against a typical 1981). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 17630 Base Line Rd, Wasta, SD?

The 2025 property tax bill for 17630 Base Line Rd, Wasta, SD was $2,357. The county assessed it at $295,000.

More homes on Base Line Rd

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More homes in Wasta 57791

Assigned schools

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