Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$291,667$171 / 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 91How 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

521 S RIDGE DR

SOUTH SIOUX CITY, NE 68776
2
Beds
2
Baths
1,703 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.
0.49 ac
Lot SizeThe size of the land the home sits on, from county records.
1990
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$292K
$264K low$319K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,684 (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.$294,215 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$54,965
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$239,250
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$252,820
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$294,215

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.53
21
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
44
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
66
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
46
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
89
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.3 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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
CountyDakota
Lot (acres)The size of the land the home sits on, from county records.0.48
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Block (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Forced Air
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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 100 ft²Porch · 36 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.

H
South Sioux High SchoolF
High · Grades 9–12 · 0.9 mi
M
South Sioux City Middle SchoolC-
Middle · Grades 6–8 · 0.9 mi
E
Covington Elementary SchoolC+
Elementary · Grades PK–5 · 1.1 mi

District: South Sioux City Community Schools

Neighborhood · ZIP 68776These 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.105
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.81
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.22

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.12%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.16,364
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.703 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$66,671
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$81,728
Average tempThe average temperature here across a full year.49°F
Annual precipHow much rain and melted snow falls here in a typical year.27 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.66%

Owner Tools

Do you own this home?
Claim this home

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

521 S Ridge 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.

  • Worth more than 83% of homes in South Sioux City 68776
  • Bigger than 87% of homes in South Sioux City 68776
  • Has a bigger lot than 87% of homes in South Sioux City 68776
  • Newer than 75% of homes in South Sioux City 68776

What homes are worth in South Sioux City 68776

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

This home
$81K$426K

This home is worth more than 83% of homes in South Sioux City 68776.

How it measures up in South Sioux City 68776

The dot is this home. The mark in the middle is the typical home in South Sioux City 68776.

Estimated value$291,667
CheaperTypical $198,169Pricier

Pricier than 83% of homes nearby

Price per ft²$171
CheaperTypical $172Pricier

Pricier than 49% of homes nearby

Living area1,703 ft²
SmallerTypical 1,144 ft²Bigger

Bigger than 87% of homes nearby

Lot size0.49 ac
SmallerTypical 0.2 acBigger

Bigger than 87% of homes nearby

Year built1990
OlderTypical 1972Newer

Newer than 75% of homes nearby

How 521 S Ridge Dr ranks against every home in each area.
MeasureThis homeSouth Sioux City 68776Dakota County
Estimated valuepricier than$291,66783% of homes78% of homes
Price per ft²pricier than$17149% of homes51% of homes
Living areabigger than1,703 ft²87% of homes82% of homes
Lot sizebigger than0.49 ac87% of homes73% of homes
Year builtnewer than199075% of homes74% of homes

About 521 S Ridge Dr

How much is 521 S Ridge Dr, South Sioux City, NE worth?

The TopHap Estimate for 521 S Ridge Dr, South Sioux City, NE is $291,667 as of Aug 30, 2026. The likely range is $264,106 to $319,228. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 521 S Ridge Dr, South Sioux City, NE?

521 S Ridge Dr, South Sioux City, NE has 2 bedrooms, 2 bathrooms, 1,703 square feet of living space and a 0.48-acre lot.

When was 521 S Ridge Dr, South Sioux City, NE built?

521 S Ridge Dr, South Sioux City, NE was built in 1990, making it 36 years old. It is a ranch home. The building has 1 story.

What schools serve 521 S Ridge Dr, South Sioux City, NE?

521 S Ridge Dr, South Sioux City, NE is assigned to South Sioux High School (high), rated F; South Sioux City Middle School (middle), rated C-; Covington Elementary School (elementary), rated C+. All sit in South Sioux City Community Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 521 S Ridge Dr, South Sioux City, NE compare to other homes in South Sioux City 68776?

Among the 4,454 homes in South Sioux City 68776, it is worth more than 83% of them ($291,667 against a typical $198,169), its price per square foot is higher than 49% of them ($171 against a typical $172), it is bigger than 87% of them (1,703 ft² against a typical 1,144 ft²), its lot is bigger than 87% of them (0.49 ac against a typical 0.2 ac) and it is newer than 75% of them (1990 against a typical 1972). Measured against all of Dakota County, it is worth more than 78% 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 521 S Ridge Dr, South Sioux City, NE?

The 2025 property tax bill for 521 S Ridge Dr, South Sioux City, NE was $3,684. The county assessed it at $294,215.

More homes on S Ridge Dr

Closest homes

More homes in South Sioux City 68776

Assigned schools

Explore the area

See this home in context

Open 521 S Ridge Dr 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