Skip to content
Skip to content
TopHapOpen in map
TownhouseResidential
$463,612$294 / 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 92How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026

3931 NORTHSTAR CT

RAPID CITY, SD 57703
3
Beds
2 / 1
Baths
1,578 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.
0.23 ac
Lot SizeThe size of the land the home sits on, from county records.
2009
Year BuiltThe year the home was originally built, according to county records.

Valuation

$464K
$428K low$499K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,975 (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.$447,200 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$70,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$377,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$447,200

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.27 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.34%
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.0.2 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.Townhouse
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.0.23
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
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.Patio · 140 ft²Porch · 322 ft²

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

E
Rapid Valley Elementary SchoolC-
Elementary · Grades KG–5 · 1.3 mi
M
East Middle SchoolD+
Middle · Grades 6–8 · 2.5 mi
H
Central High SchoolD
High · Grades 9–12 · 4.8 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%

Owner Tools

Do you own this home?
Claim this home

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

3931 Northstar Ct 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 78% of homes in Rapid City 57703
  • Costs less per square foot than 80% of homes in Rapid City 57703
  • Newer than 85% of homes in Pennington County

What homes are worth in Rapid City 57703

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

This home
$266K$742K

This home is worth more than 78% 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.

Estimated value$463,612
CheaperTypical $374,632Pricier

Pricier than 78% of homes nearby

Price per ft²$294
CheaperTypical $345Pricier

Pricier than 20% of homes nearby

Living area1,578 ft²
SmallerTypical 1,283 ft²Bigger

Bigger than 62% of homes nearby

Lot size0.23 ac
SmallerTypical 0.24 acBigger

Bigger than 47% of homes nearby

Year built2009
OlderTypical 1999Newer

Newer than 72% of homes nearby

How 3931 Northstar Ct ranks against every home in each area.
MeasureThis homeRapid City 57703Pennington County
Estimated valuepricier than$463,61278% of homes68% of homes
Price per ft²pricier than$29420% of homes34% of homes
Living areabigger than1,578 ft²62% of homes64% of homes
Lot sizebigger than0.23 ac47% of homes48% of homes
Year builtnewer than200972% of homes85% of homes

About 3931 Northstar Ct

How much is 3931 Northstar Ct, Rapid City, SD worth?

The TopHap Estimate for 3931 Northstar Ct, Rapid City, SD is $463,612 as of Oct 21, 2026. The likely range is $428,232 to $498,992. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3931 Northstar Ct, Rapid City, SD last sell?

3931 Northstar Ct, Rapid City, SD last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 3931 Northstar Ct, Rapid City, SD?

3931 Northstar Ct, Rapid City, SD has 3 bedrooms, 2 bathrooms, 1,578 square feet of living space and a 0.23-acre lot.

When was 3931 Northstar Ct, Rapid City, SD built?

3931 Northstar Ct, Rapid City, SD was built in 2009, making it 17 years old. It is a ranch home.

What schools serve 3931 Northstar Ct, Rapid City, SD?

3931 Northstar Ct, Rapid City, SD is assigned to Rapid Valley Elementary School (elementary), rated C-; 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 3931 Northstar Ct, Rapid City, SD compare to other homes in Rapid City 57703?

Among the 7,243 homes in Rapid City 57703, it is worth more than 78% of them ($463,612 against a typical $374,632), its price per square foot is higher than 20% of them ($294 against a typical $345), it is bigger than 62% of them (1,578 ft² against a typical 1,283 ft²), its lot is bigger than 47% of them (0.23 ac against a typical 0.24 ac) and it is newer than 72% of them (2009 against a typical 1999). Measured against all of Pennington County, it is worth more than 68% 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 3931 Northstar Ct, Rapid City, SD?

The 2025 property tax bill for 3931 Northstar Ct, Rapid City, SD was $5,975. The county assessed it at $447,200.

More homes on Northstar Ct

Closest homes

More homes in Rapid City 57703

Assigned schools

Explore the area

See this home in context

Open 3931 Northstar Ct on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map