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Single Family ResidenceResidential
$104,649$156 / 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 Sep 24, 2026

818 S 9TH AVE

SIOUX FALLS, SD 57104
2
Beds
1
Baths
672 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.
0.13 ac
Lot SizeThe size of the land the home sits on, from county records.
1930
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
4
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$105K
$90K low$119K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,025 (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.$58,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$18,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$39,300
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$54,200

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.9
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
29
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. 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
StyleThe architectural style of the home, such as ranch or colonial.Ranch
CountyMINNEHAHA
Lot (acres)The size of the land the home sits on, from county records.0.13
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.Gravity
CoolingThe type of cooling or air conditioning in the home.None
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.Porch · 24 ft²

Transaction History(1)

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.

M
Patrick Henry Middle SchoolA-
Middle · Grades 6–8 · 1.0 mi
E
Susan B. Anthony Elementary SchoolD+
Elementary · Grades KG–5 · 1.1 mi
H
Lincoln High SchoolA
High · Grades 9–12 · 1.4 mi

District: Sioux Falls School District

Neighborhood · ZIP 57104These 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.150
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.97
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.26

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.92%
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.13%
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.27,136
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.908 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$54,241
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$67,460
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

818 S 9th 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.

  • Among the least valuable homes in Minnehaha County
  • Costs less per square foot than 96% of homes in Minnehaha County
  • Smaller than 98% of homes in Minnehaha County
  • Has a smaller lot than 87% of homes in Minnehaha County
  • Older than 90% of homes in Minnehaha County

What homes are worth in Sioux Falls 57104

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

This home
$109K$634K

This home is worth more than 2% of homes in Sioux Falls 57104.

How it measures up in Sioux Falls 57104

The dot is this home. The mark in the middle is the typical home in Sioux Falls 57104.

Estimated value$104,649
CheaperTypical $221,451Pricier

Pricier than 2% of homes nearby

Price per ft²$156
CheaperTypical $212Pricier

Pricier than 15% of homes nearby

Living area672 ft²
SmallerTypical 1,080 ft²Bigger

Bigger than 7% of homes nearby

Lot size0.13 ac
SmallerTypical 0.15 acBigger

Bigger than 29% of homes nearby

Year built1930
OlderTypical 1943Newer

Newer than 39% of homes nearby

How 818 S 9th Ave ranks against every home in each area.
MeasureThis homeSioux Falls 57104Minnehaha County
Estimated valuepricier than$104,6492% of homesalmost no homes
Price per ft²pricier than$15615% of homes4% of homes
Living areabigger than672 ft²7% of homes2% of homes
Lot sizebigger than0.13 ac29% of homes13% of homes
Year builtnewer than193039% of homes10% of homes

About 818 S 9th Ave

How much is 818 S 9th Ave, Sioux Falls, SD worth?

The TopHap Estimate for 818 S 9th Ave, Sioux Falls, SD is $104,649 as of Sep 24, 2026. The likely range is $90,198 to $119,100. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 818 S 9th Ave, Sioux Falls, SD last sell?

818 S 9th Ave, Sioux Falls, SD last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 818 S 9th Ave, Sioux Falls, SD?

818 S 9th Ave, Sioux Falls, SD has 2 bedrooms, 1 bathrooms, 672 square feet of living space and a 0.13-acre lot.

When was 818 S 9th Ave, Sioux Falls, SD built?

818 S 9th Ave, Sioux Falls, SD was built in 1930, making it 96 years old. It is a ranch home. The building has 1 story.

What schools serve 818 S 9th Ave, Sioux Falls, SD?

818 S 9th Ave, Sioux Falls, SD is assigned to Patrick Henry Middle School (middle), rated A-; Susan B. Anthony Elementary School (elementary), rated D+; Lincoln High School (high), rated A. All sit in Sioux Falls School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 818 S 9th Ave, Sioux Falls, SD compare to other homes in Sioux Falls 57104?

Among the 6,907 homes in Sioux Falls 57104, it is worth more than 2% of them ($104,649 against a typical $221,451), its price per square foot is higher than 15% of them ($156 against a typical $212), it is bigger than 7% of them (672 ft² against a typical 1,080 ft²), its lot is bigger than 29% of them (0.13 ac against a typical 0.15 ac) and it is newer than 39% of them (1930 against a typical 1943). Measured against all of Minnehaha 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 818 S 9th Ave, Sioux Falls, SD?

The 2025 property tax bill for 818 S 9th Ave, Sioux Falls, SD was $1,025. The county assessed it at $58,000.

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Assigned schools

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