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Single Family ResidenceResidential
$677,854$255 / 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 82How 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
Last sold for $85,000 on Jul 23, 2021

509 S DOUGLAS FIR AVE

SIOUX FALLS, SD 57110
5
Beds
3.5
Baths
2,658 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.
2021
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
10
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
4
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$678K
$559K low$797K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$85,000 · Jul 23, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,187 (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.$765,600 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$61,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$704,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$781,300

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.33
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
42
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
60
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
45
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
19
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
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
CountyMINNEHAHA
Lot (acres)The size of the land the home sits on, from county records.0.23
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
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

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

E
Fred Assam Elementary SchoolA+
Elementary · Grades KG–4 · 0.6 mi
H
Brandon Valley High SchoolB+
High · Grades 9–12 · 4.2 mi
M
Brandon Valley Middle SchoolA
Middle · Grades 7–8 · 4.3 mi

District: Brandon Valley School District

Neighborhood · ZIP 57110These 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.70
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 100.21

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.30%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.7%
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.22,704
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,178 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$89,815
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$114,167
Average tempThe average temperature here across a full year.46°F
Annual precipHow much rain and melted snow falls here in a typical year.25 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

509 S Douglas Fir Ave 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 97% of homes in Minnehaha County
  • Costs more per square foot than 81% of homes in Minnehaha County
  • Bigger than 95% of homes in Sioux Falls 57110
  • Newer than 95% of homes in Minnehaha County

What homes are worth in Sioux Falls 57110

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

This home
$172K$953K

This home is worth more than 92% of homes in Sioux Falls 57110.

How it measures up in Sioux Falls 57110

The dot is this home. The mark in the middle is the typical home in Sioux Falls 57110.

Estimated value$677,854
CheaperTypical $336,034Pricier

Pricier than 92% of homes nearby

Price per ft²$255
CheaperTypical $241Pricier

Pricier than 57% of homes nearby

Living area2,658 ft²
SmallerTypical 1,452 ft²Bigger

Bigger than 95% of homes nearby

Lot size0.23 ac
SmallerTypical 0.24 acBigger

Bigger than 45% of homes nearby

Year built2021
OlderTypical 2011Newer

Newer than 87% of homes nearby

How 509 S Douglas Fir Ave ranks against every home in each area.
MeasureThis homeSioux Falls 57110Minnehaha County
Estimated valuepricier than$677,85492% of homes97% of homes
Price per ft²pricier than$25557% of homes81% of homes
Living areabigger than2,658 ft²95% of homes95% of homes
Lot sizebigger than0.23 ac45% of homes58% of homes
Year builtnewer than202187% of homes95% of homes

About 509 S Douglas Fir Ave

How much is 509 S Douglas Fir Ave, Sioux Falls, SD worth?

The TopHap Estimate for 509 S Douglas Fir Ave, Sioux Falls, SD is $677,854 as of Aug 30, 2026. The likely range is $558,748 to $796,960. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 509 S Douglas Fir Ave, Sioux Falls, SD last sell?

509 S Douglas Fir Ave, Sioux Falls, SD last sold on Jul 23, 2021 for $85,000, according to the county's recorded deed.

How big is 509 S Douglas Fir Ave, Sioux Falls, SD?

509 S Douglas Fir Ave, Sioux Falls, SD has 5 bedrooms, 3.5 bathrooms, 2,658 square feet of living space and a 0.23-acre lot.

When was 509 S Douglas Fir Ave, Sioux Falls, SD built?

509 S Douglas Fir Ave, Sioux Falls, SD was built in 2021, making it 5 years old. The building has 1 story.

What schools serve 509 S Douglas Fir Ave, Sioux Falls, SD?

509 S Douglas Fir Ave, Sioux Falls, SD is assigned to Fred Assam Elementary School (elementary), rated A+; Brandon Valley High School (high), rated B+; Brandon Valley Middle School (middle), rated A. All sit in Brandon Valley School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 509 S Douglas Fir Ave, Sioux Falls, SD compare to other homes in Sioux Falls 57110?

Among the 7,780 homes in Sioux Falls 57110, it is worth more than 92% of them ($677,854 against a typical $336,034), its price per square foot is higher than 57% of them ($255 against a typical $241), it is bigger than 95% of them (2,658 ft² against a typical 1,452 ft²), its lot is bigger than 45% of them (0.23 ac against a typical 0.24 ac) and it is newer than 87% of them (2021 against a typical 2011). Measured against all of Minnehaha County, it is worth more than 97% 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 509 S Douglas Fir Ave, Sioux Falls, SD?

The 2025 property tax bill for 509 S Douglas Fir Ave, Sioux Falls, SD was $10,187. The county assessed it at $765,600.

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