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Mobile HomeResidential

645 NORTHRIDGE DR

RAPID CITY, SD 57701
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.
0.29 ac
Lot SizeThe size of the land the home sits on, from county records.
2000
Year BuiltThe year the home was originally built, according to county records.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,945 (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.$177,900 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$49,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$128,900
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$175,000

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.0.29
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.

M
North Middle SchoolF
Middle · Grades 6–8 · 1.5 mi
E
Knollwood Heights Elementary SchoolF
Elementary · Grades KG–5 · 1.6 mi
H
Central High SchoolD
High · Grades 9–12 · 2.2 mi

District: Rapid City Area Schools

Neighborhood · ZIP 57701These 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.129
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 100.30

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.94%
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.18%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.5%
PopulationHow many people live in this area.45,780
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.728 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$54,251
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$68,885
Average tempThe average temperature here across a full year.47°F
Annual precipHow much rain and melted snow falls here in a typical year.18 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

645 Northridge Dr 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 87% of homes in Rapid City 57701
  • Has a bigger lot than 80% of homes in Rapid City 57701
  • Newer than 78% of homes in Rapid City 57701

How it measures up in Rapid City 57701

The dot is this home. The mark in the middle is the typical home in Rapid City 57701.

Living area2,704 ft²
SmallerTypical 1,152 ft²Bigger

Bigger than 87% of homes nearby

Lot size0.29 ac
SmallerTypical 0.19 acBigger

Bigger than 80% of homes nearby

Year built2000
OlderTypical 1973Newer

Newer than 78% of homes nearby

How 645 Northridge Dr ranks against every home in each area.
MeasureThis homeRapid City 57701Pennington County
Living areabigger than2,704 ft²87% of homes83% of homes
Lot sizebigger than0.29 ac80% of homes58% of homes
Year builtnewer than200078% of homes71% of homes

About 645 Northridge Dr

When did 645 Northridge Dr, Rapid City, SD last sell?

645 Northridge Dr, Rapid City, SD last sold on May 20, 2013, according to the county's recorded deed.

How big is 645 Northridge Dr, Rapid City, SD?

645 Northridge Dr, Rapid City, SD has 2,704 square feet of living space and a 0.29-acre lot.

When was 645 Northridge Dr, Rapid City, SD built?

645 Northridge Dr, Rapid City, SD was built in 2000, making it 26 years old. It is a mobile/manufactured home.

What schools serve 645 Northridge Dr, Rapid City, SD?

645 Northridge Dr, Rapid City, SD is assigned to North Middle School (middle), rated F; Knollwood Heights Elementary School (elementary), rated F; 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 645 Northridge Dr, Rapid City, SD compare to other homes in Rapid City 57701?

Among the 14,096 homes in Rapid City 57701, it is bigger than 87% of them (2,704 ft² against a typical 1,152 ft²), its lot is bigger than 80% of them (0.29 ac against a typical 0.19 ac) and it is newer than 78% of them (2000 against a typical 1973). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 645 Northridge Dr, Rapid City, SD?

The 2025 property tax bill for 645 Northridge Dr, Rapid City, SD was $1,945. The county assessed it at $177,900.

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