Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$1,228,384$357 / 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 86How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026

3930 NORTHSTAR CT

RAPID CITY, SD 57703
5
Beds
3
Baths
3,438 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.
0.85 ac
Lot SizeThe size of the land the home sits on, from county records.
2013
Year BuiltThe year the home was originally built, according to county records.

Valuation

$1.2M
$1.1M low$1.4M high
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$749,384
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$599,507
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.39%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$417,000
PREMIER HOME MORTGAGE INC · recorded Dec 2, 2014
2nd MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$62,000
MED5 FEDERAL CREDIT UNION

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,160 (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.$924,400 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$95,600
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$828,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$924,400

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.39
93
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
73
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
33
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.63 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.0.85
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 102 ft²

Transaction History(2)

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
Rapid Valley Elementary SchoolC-
Elementary · Grades KG–5 · 1.2 mi
M
East Middle School
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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

3930 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.

  • Among the most valuable homes in Rapid City 57703
  • Costs more per square foot than 74% of homes in Rapid City 57703
  • Bigger than 89% of homes in Pennington County
  • Has a bigger lot than 84% of homes in Rapid City 57703
  • Newer than 92% 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
$242K$721K

This home is worth more than almost all 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$1,228,384
CheaperTypical $359,782Pricier

Pricier than almost all homes nearby

Price per ft²$357
CheaperTypical $328Pricier

Pricier than 74% of homes nearby

Living area3,438 ft²
SmallerTypical 1,269 ft²Bigger

Bigger than 84% of homes nearby

Lot size0.85 ac
SmallerTypical 0.24 acBigger

Bigger than 84% of homes nearby

Year built2013
OlderTypical 1997Newer

Newer than 84% of homes nearby

How 3930 Northstar Ct ranks against every home in each area.
MeasureThis homeRapid City 57703Pennington County
Estimated valuepricier than$1,228,384almost all homes98% of homes
Price per ft²pricier than$35774% of homes72% of homes
Living areabigger than3,438 ft²84% of homes89% of homes
Lot sizebigger than0.85 ac84% of homes79% of homes
Year builtnewer than201384% of homes92% of homes

About 3930 Northstar Ct

How much is 3930 Northstar Ct, Rapid City, SD worth?

The TopHap Estimate for 3930 Northstar Ct, Rapid City, SD is $1,228,384 as of Jul 14, 2026. The likely range is $1,059,334 to $1,397,434. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3930 Northstar Ct, Rapid City, SD last sell?

3930 Northstar Ct, Rapid City, SD last sold on Nov 7, 2013, according to the county's recorded deed.

How big is 3930 Northstar Ct, Rapid City, SD?

3930 Northstar Ct, Rapid City, SD has 5 bedrooms, 3 bathrooms, 3,438 square feet of living space and a 0.85-acre lot.

When was 3930 Northstar Ct, Rapid City, SD built?

3930 Northstar Ct, Rapid City, SD was built in 2013, making it 13 years old. It is a ranch home.

What schools serve 3930 Northstar Ct, Rapid City, SD?

3930 Northstar Ct, Rapid City, SD is assigned to Rapid Valley 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 3930 Northstar Ct, Rapid City, SD compare to other homes in Rapid City 57703?

Among the 7,177 homes in Rapid City 57703, it is worth more than almost all of them ($1,228,384 against a typical $359,782), its price per square foot is higher than 74% of them ($357 against a typical $328), it is bigger than 84% of them (3,438 ft² against a typical 1,269 ft²), its lot is bigger than 84% of them (0.85 ac against a typical 0.24 ac) and it is newer than 84% of them (2013 against a typical 1997). Measured against all of Pennington County, it is worth more than 98% 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 3930 Northstar Ct, Rapid City, SD?

The 2025 property tax bill for 3930 Northstar Ct, Rapid City, SD was $10,160. The county assessed it at $924,400.

More homes on Northstar Ct

Closest homes

More homes in Rapid City 57703

Assigned schools

Explore the area

See this home in context

Open 3930 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