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Mobile HomeResidential
Last sold for $230,000 on Oct 27, 2022

23521 DERBY LN

RAPID CITY, SD 57703
0
Baths
2,704 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.
14.09 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

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$230,000 · Oct 27, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,482 (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.$215,300 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$102,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$113,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$205,700

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.115 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.Mobile Home
StyleThe architectural style of the home, such as ranch or colonial.Mobile/Manufactured
CountyPENNINGTON
Lot (acres)The size of the land the home sits on, from county records.14.09
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(1)

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
Valley View Elementary SchoolD
Elementary · Grades KG–5 · 9.7 mi
M
East Middle SchoolD+
Middle · Grades 6–8 · 9.7 mi
H
Central High SchoolD
High · Grades 9–12 · 13.9 mi

District: Rapid City Area Schools

Neighborhood · ZIP 57703These 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.84
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.103
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.31

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.16%
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.17,921
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.140 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$80,839
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$89,305
Average tempThe average temperature here across a full year.47°F
Annual precipHow much rain and melted snow falls here in a typical year.16 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

23521 Derby 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.

  • Bigger than 83% of homes in Pennington County
  • Has a bigger lot than 97% of homes in Rapid City 57703

How it measures up in Rapid City 57703

The dot is this home. The mark in the middle is the typical home in Rapid City 57703.

Living area2,704 ft²
SmallerTypical 1,283 ft²Bigger

Bigger than 78% of homes nearby

Lot size14.09 ac
SmallerTypical 0.24 acBigger

Bigger than 97% of homes nearby

Year built1987
OlderTypical 1999Newer

Newer than 36% of homes nearby

How 23521 Derby Ln ranks against every home in each area.
MeasureThis homeRapid City 57703Pennington County
Living areabigger than2,704 ft²78% of homes83% of homes
Lot sizebigger than14.09 ac97% of homes96% of homes
Year builtnewer than198736% of homes57% of homes

About 23521 Derby Ln

When did 23521 Derby Ln, Rapid City, SD last sell?

23521 Derby Ln, Rapid City, SD last sold on Oct 27, 2022 for $230,000, according to the county's recorded deed.

How big is 23521 Derby Ln, Rapid City, SD?

23521 Derby Ln, Rapid City, SD has 2,704 square feet of living space and a 14.09-acre lot.

When was 23521 Derby Ln, Rapid City, SD built?

23521 Derby Ln, Rapid City, SD was built in 1987, making it 39 years old. It is a mobile/manufactured home.

What schools serve 23521 Derby Ln, Rapid City, SD?

23521 Derby Ln, Rapid City, SD is assigned to Valley View Elementary School (elementary), rated D; East Middle School (middle), rated D+; 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 23521 Derby Ln, Rapid City, SD compare to other homes in Rapid City 57703?

Among the 7,243 homes in Rapid City 57703, it is bigger than 78% of them (2,704 ft² against a typical 1,283 ft²), its lot is bigger than 97% of them (14.09 ac against a typical 0.24 ac) and it is newer than 36% of them (1987 against a typical 1999). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 23521 Derby Ln, Rapid City, SD?

The 2025 property tax bill for 23521 Derby Ln, Rapid City, SD was $1,482. The county assessed it at $215,300.

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