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Single Family ResidenceResidential
$80,146$98 / 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 77How 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

4390 W SUNNYSIDE DR

RAPID CITY, SD 57701
2
Beds
1
Baths
816 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.
0.75 ac
Lot SizeThe size of the land the home sits on, from county records.
1950
Year BuiltThe year the home was originally built, according to county records.

Valuation

$80K
$62K low$99K 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.$80,146
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$64,117

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,122 (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.$84,900 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$37,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$47,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$77,500

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.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.Bungalow
CountyPENNINGTON
Lot (acres)The size of the land the home sits on, from county records.0.75
PoolWhether the property has a pool, and what kind, such as in-ground.No

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

E
Patriot Elementary SchoolB-
Elementary · Grades KG–3 · 3.8 mi
H
Douglas High SchoolD-
High · Grades 9–12 · 3.8 mi
M
Douglas Middle SchoolC
Middle · Grades 6–8 · 3.9 mi

District: Douglas School District

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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Absentee owner
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

4390 W Sunnyside 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.

  • Among the least valuable homes in Rapid City 57701
  • Among the lowest price per square foot in Rapid City 57701
  • Smaller than 94% of homes in Pennington County
  • Has a bigger lot than 92% of homes in Rapid City 57701
  • Older than 88% of homes in Pennington County

What homes are worth in Rapid City 57701

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

This home
$169K$831K

This home is worth less than almost all 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.

Estimated value$80,146
CheaperTypical $301,557Pricier

Cheaper than almost all homes nearby

Price per ft²$98
CheaperTypical $286Pricier

Cheaper than almost all homes nearby

Living area816 ft²
SmallerTypical 1,146 ft²Bigger

Bigger than 10% of homes nearby

Lot size0.75 ac
SmallerTypical 0.19 acBigger

Bigger than 92% of homes nearby

Year built1950
OlderTypical 1972Newer

Newer than 19% of homes nearby

How 4390 W Sunnyside Dr ranks against every home in each area.
MeasureThis homeRapid City 57701Pennington County
Estimated valuepricier than$80,146almost no homesalmost no homes
Price per ft²pricier than$98almost no homesalmost no homes
Living areabigger than816 ft²10% of homes6% of homes
Lot sizebigger than0.75 ac92% of homes78% of homes
Year builtnewer than195019% of homes12% of homes

About 4390 W Sunnyside Dr

How much is 4390 W Sunnyside Dr, Rapid City, SD worth?

The TopHap Estimate for 4390 W Sunnyside Dr, Rapid City, SD is $80,146 as of Jul 14, 2026. The likely range is $61,785 to $98,507. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4390 W Sunnyside Dr, Rapid City, SD last sell?

4390 W Sunnyside Dr, Rapid City, SD last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 4390 W Sunnyside Dr, Rapid City, SD?

4390 W Sunnyside Dr, Rapid City, SD has 2 bedrooms, 1 bathrooms, 816 square feet of living space and a 0.75-acre lot.

When was 4390 W Sunnyside Dr, Rapid City, SD built?

4390 W Sunnyside Dr, Rapid City, SD was built in 1950, making it 76 years old. It is a bungalow home.

What schools serve 4390 W Sunnyside Dr, Rapid City, SD?

4390 W Sunnyside Dr, Rapid City, SD is assigned to Patriot Elementary School (elementary), rated B-; Douglas High School (high), rated D-; Douglas Middle School (middle), rated C. All sit in Douglas School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4390 W Sunnyside Dr, Rapid City, SD compare to other homes in Rapid City 57701?

Among the 13,907 homes in Rapid City 57701, it is worth more than almost none of them ($80,146 against a typical $301,557), its price per square foot is higher than almost none of them ($98 against a typical $286), it is bigger than 10% of them (816 ft² against a typical 1,146 ft²), its lot is bigger than 92% of them (0.75 ac against a typical 0.19 ac) and it is newer than 19% of them (1950 against a typical 1972). Measured against all of Pennington County, it is worth more than almost no 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 4390 W Sunnyside Dr, Rapid City, SD?

The 2025 property tax bill for 4390 W Sunnyside Dr, Rapid City, SD was $1,122. The county assessed it at $84,900.

Closest homes

More homes in Rapid City 57701

Assigned schools

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