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Single Family ResidenceResidential
$416,289$289 / 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 Aug 30, 2026

309 DUGGAN ST

RAPID CITY, SD 57702
2
Beds
2
Baths
1,440 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.
0.64 ac
Lot SizeThe size of the land the home sits on, from county records.
1994
Year BuiltThe year the home was originally built, according to county records.

Valuation

$416K
$383K low$449K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,839 (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.$321,300 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$43,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$277,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$321,300

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.7 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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.minimal

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.Contemporary
CountyPENNINGTON
Lot (acres)The size of the land the home sits on, from county records.0.64
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.Deck · 185 ft²

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

E
Hill City Elementary - 02A-
Elementary · Grades PK–5 · 10.6 mi
M
Hill City Middle School - 04B
Middle · Grades 6–8 · 10.6 mi
H
Hill City High School - 01A
High · Grades 9–12 · 10.7 mi

District: Hill City School District 51-2

Neighborhood · ZIP 57702These 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.86
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.105
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.34

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.27%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.5%
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.42,356
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.141 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$84,353
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$115,376
Average tempThe average temperature here across a full year.43°F
Annual precipHow much rain and melted snow falls here in a typical year.22 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

309 Duggan St 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.

  • Costs less per square foot than 75% of homes in Rapid City 57702
  • Has a bigger lot than 76% of homes in Pennington County
  • Newer than 70% of homes in Rapid City 57702

What homes are worth in Rapid City 57702

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

This home
$209K$1.5M

This home is worth more than 41% of homes in Rapid City 57702.

How it measures up in Rapid City 57702

The dot is this home. The mark in the middle is the typical home in Rapid City 57702.

Estimated value$416,289
CheaperTypical $462,335Pricier

Pricier than 41% of homes nearby

Price per ft²$289
CheaperTypical $339Pricier

Pricier than 25% of homes nearby

Living area1,440 ft²
SmallerTypical 1,406 ft²Bigger

Bigger than 52% of homes nearby

Lot size0.64 ac
SmallerTypical 0.33 acBigger

Bigger than 65% of homes nearby

Year built1994
OlderTypical 1978Newer

Newer than 70% of homes nearby

How 309 Duggan St ranks against every home in each area.
MeasureThis homeRapid City 57702Pennington County
Estimated valuepricier than$416,28941% of homes62% of homes
Price per ft²pricier than$28925% of homes33% of homes
Living areabigger than1,440 ft²52% of homes58% of homes
Lot sizebigger than0.64 ac65% of homes76% of homes
Year builtnewer than199470% of homes63% of homes

About 309 Duggan St

How much is 309 Duggan St, Rapid City, SD worth?

The TopHap Estimate for 309 Duggan St, Rapid City, SD is $416,289 as of Aug 30, 2026. The likely range is $383,432 to $449,146. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 309 Duggan St, Rapid City, SD last sell?

309 Duggan St, Rapid City, SD last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 309 Duggan St, Rapid City, SD?

309 Duggan St, Rapid City, SD has 2 bedrooms, 2 bathrooms, 1,440 square feet of living space and a 0.64-acre lot.

When was 309 Duggan St, Rapid City, SD built?

309 Duggan St, Rapid City, SD was built in 1994, making it 32 years old. It is a contemporary home.

What schools serve 309 Duggan St, Rapid City, SD?

309 Duggan St, Rapid City, SD is assigned to Hill City Elementary - 02 (elementary), rated A-; Hill City Middle School - 04 (middle), rated B; Hill City High School - 01 (high), rated A. All sit in Hill City School District 51-2. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 309 Duggan St, Rapid City, SD compare to other homes in Rapid City 57702?

Among the 12,956 homes in Rapid City 57702, it is worth more than 41% of them ($416,289 against a typical $462,335), its price per square foot is higher than 25% of them ($289 against a typical $339), it is bigger than 52% of them (1,440 ft² against a typical 1,406 ft²), its lot is bigger than 65% of them (0.64 ac against a typical 0.33 ac) and it is newer than 70% of them (1994 against a typical 1978). Measured against all of Pennington County, it is worth more than 62% 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 309 Duggan St, Rapid City, SD?

The 2025 property tax bill for 309 Duggan St, Rapid City, SD was $3,839. The county assessed it at $321,300.

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