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Rural ResidenceResidential
$488,045$309 / 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 83How 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

ROCK VALLEY, IA 51247
1.5
Baths
1,581 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.
36.76 ac
Lot SizeThe size of the land the home sits on, from county records.
1925
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
11
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

$488K
$403K low$573K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,632 (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.$409,300 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$93,320
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$315,980
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$349,740
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$409,300

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.26
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
11
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
63
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
43
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
15
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.Rural Residence
CountySIOUX
Lot (acres)The size of the land the home sits on, from county records.36.76
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.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Mixed
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 · 168 ft²

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

E
Rock Valley Elementary SchoolA
Elementary · Grades PK–5 · 6.3 mi
M
Rock Valley High SchoolA-
Middle · Grades 9–12 · 6.3 mi

District: Rock Valley Community School District

Neighborhood · ZIP 51247These 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.127
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.94
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.18

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.14%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.7%
PopulationHow many people live in this area.5,240
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.47 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$83,197
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$99,994
Average tempThe average temperature here across a full year.47°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.61%

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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

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 89% of homes in Sioux County
  • Costs more per square foot than 93% of homes in Rock Valley 51247
  • Has a bigger lot than 97% of homes in Rock Valley 51247
  • Older than 76% of homes in Rock Valley 51247

What homes are worth in Rock Valley 51247

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

This home
$100K$649K

This home is worth more than 88% of homes in Rock Valley 51247.

How it measures up in Rock Valley 51247

The dot is this home. The mark in the middle is the typical home in Rock Valley 51247.

Estimated value$488,045
CheaperTypical $281,205Pricier

Pricier than 88% of homes nearby

Price per ft²$309
CheaperTypical $193Pricier

Pricier than 93% of homes nearby

Living area1,581 ft²
SmallerTypical 1,500 ft²Bigger

Bigger than 57% of homes nearby

Lot size36.76 ac
SmallerTypical 0.36 acBigger

Bigger than 97% of homes nearby

Year built1925
OlderTypical 1975Newer

Newer than 24% of homes nearby

How ranks against every home in each area.
MeasureThis homeRock Valley 51247Sioux County
Estimated valuepricier than$488,04588% of homes89% of homes
Price per ft²pricier than$30993% of homes92% of homes
Living areabigger than1,581 ft²57% of homes57% of homes
Lot sizebigger than36.76 ac97% of homes97% of homes
Year builtnewer than192524% of homes27% of homes

About

How much is , Rock Valley, IA worth?

The TopHap Estimate for , Rock Valley, IA is $488,045 as of Jul 14, 2026. The likely range is $403,259 to $572,831. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did , Rock Valley, IA last sell?

, Rock Valley, IA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is , Rock Valley, IA?

, Rock Valley, IA has 1.5 bathrooms, 1,581 square feet of living space and a 36.76-acre lot.

When was , Rock Valley, IA built?

, Rock Valley, IA was built in 1925, making it 101 years old. The building has 1 story.

What schools serve , Rock Valley, IA?

, Rock Valley, IA is assigned to Rock Valley Elementary School (elementary), rated A; Rock Valley High School (middle), rated A-. All sit in Rock Valley Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does , Rock Valley, IA compare to other homes in Rock Valley 51247?

Among the 1,825 homes in Rock Valley 51247, it is worth more than 88% of them ($488,045 against a typical $281,205), its price per square foot is higher than 93% of them ($309 against a typical $193), it is bigger than 57% of them (1,581 ft² against a typical 1,500 ft²), its lot is bigger than 97% of them (36.76 ac against a typical 0.36 ac) and it is newer than 24% of them (1925 against a typical 1975). Measured against all of Sioux County, it is worth more than 89% 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 , Rock Valley, IA?

The 2025 property tax bill for , Rock Valley, IA was $4,632. The county assessed it at $409,300.

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