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Single Family ResidenceResidential
$861,045$434 / 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 71How 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

23905 145TH AVE

HERMOSA, SD 57744
3
Beds
2
Baths
1,982 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.
560 ac
Lot SizeThe size of the land the home sits on, from county records.
1987
Year BuiltThe year the home was originally built, according to county records.

Valuation

$861K
$608K low$1.1M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,008 (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.$798,300 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$204,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$593,500
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$798,300

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.560.00
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.DeckPatio · 273 ft²Porch · 40 ft²

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

E
Valley View Elementary SchoolC
Elementary · Grades KG–5 · 10.0 mi
M
East Middle School
Middle · Grades 6–8 · 10.1 mi
H
Central High SchoolD
High · Grades 9–12 · 11.1 mi

District: Rapid City Area Schools

Neighborhood · ZIP 57744These 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.94
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.104
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.40

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.18%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.4%
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.2,671
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.6 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$83,455
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$112,527
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

23905 145th Ave 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 93% of homes in Pennington County
  • Costs more per square foot than 90% of homes in Pennington County
  • Bigger than 75% of homes in Pennington County
  • Among the largest lots in Pennington County
  • Older than 77% of homes in Hermosa 57744

What homes are worth in Hermosa 57744

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

This home
$243K$1.4M

This home is worth more than 81% of homes in Hermosa 57744.

How it measures up in Hermosa 57744

The dot is this home. The mark in the middle is the typical home in Hermosa 57744.

Estimated value$861,045
CheaperTypical $625,557Pricier

Pricier than 81% of homes nearby

Price per ft²$434
CheaperTypical $385Pricier

Pricier than 66% of homes nearby

Living area1,982 ft²
SmallerTypical 1,560 ft²Bigger

Bigger than 73% of homes nearby

Lot size560 ac
SmallerTypical 5.39 acBigger

Bigger than almost all homes nearby

Year built1987
OlderTypical 2004Newer

Newer than 23% of homes nearby

How 23905 145th Ave ranks against every home in each area.
MeasureThis homeHermosa 57744Pennington County
Estimated valuepricier than$861,04581% of homes93% of homes
Price per ft²pricier than$43466% of homes90% of homes
Living areabigger than1,982 ft²73% of homes75% of homes
Lot sizebigger than560 acalmost all homesalmost all homes
Year builtnewer than198723% of homes56% of homes

About 23905 145th Ave

How much is 23905 145th Ave, Hermosa, SD worth?

The TopHap Estimate for 23905 145th Ave, Hermosa, SD is $861,045 as of Sep 24, 2026. The likely range is $608,159 to $1,113,931. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 23905 145th Ave, Hermosa, SD last sell?

23905 145th Ave, Hermosa, SD last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 23905 145th Ave, Hermosa, SD?

23905 145th Ave, Hermosa, SD has 3 bedrooms, 2 bathrooms, 1,982 square feet of living space and a 560.00-acre lot.

When was 23905 145th Ave, Hermosa, SD built?

23905 145th Ave, Hermosa, SD was built in 1987, making it 39 years old. It is a ranch home.

What schools serve 23905 145th Ave, Hermosa, SD?

23905 145th Ave, Hermosa, SD is assigned to Valley View Elementary School (elementary), rated C; East Middle School (middle); Central High School (high), rated D. All sit in Rapid City Area Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 23905 145th Ave, Hermosa, SD compare to other homes in Hermosa 57744?

Among the 1,192 homes in Hermosa 57744, it is worth more than 81% of them ($861,045 against a typical $625,557), its price per square foot is higher than 66% of them ($434 against a typical $385), it is bigger than 73% of them (1,982 ft² against a typical 1,560 ft²), its lot is bigger than almost all of them (560 ac against a typical 5.39 ac) and it is newer than 23% of them (1987 against a typical 2004). Measured against all of Pennington County, it is worth more than 93% 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 23905 145th Ave, Hermosa, SD?

The 2025 property tax bill for 23905 145th Ave, Hermosa, SD was $8,008. The county assessed it at $798,300.

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