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Residential (General/Single)Residential
$186,470$497 / 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 84How 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

909 MAIN ST

ROCK VALLEY, IA 51247
Building report
1
Baths
375 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.
1990
Year BuiltThe year the home was originally built, according to county records.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$186K
$156K low$217K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$134 (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.$8,510 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$8,510
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$8,560
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$8,510

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Residential (General/Single)
CountySIOUX
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
Rock Valley Elementary SchoolA
Elementary · Grades PK–5 · 0.8 mi
M
Rock Valley High SchoolA-
Middle · Grades 9–12 · 0.8 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

909 Main St 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 less than 78% of homes in Rock Valley 51247
  • Among the highest price per square foot in Sioux County
  • Among the smallest homes in Rock Valley 51247
  • Newer than 70% of homes in Sioux County

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
$86K$651K

This home is worth more than 22% 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$186,470
CheaperTypical $287,137Pricier

Pricier than 22% of homes nearby

Price per ft²$497
CheaperTypical $195Pricier

Pricier than almost all homes nearby

Living area375 ft²
SmallerTypical 1,504 ft²Bigger

Smaller than almost all homes nearby

Year built1990
OlderTypical 1975Newer

Newer than 64% of homes nearby

How 909 Main St ranks against every home in each area.
MeasureThis homeRock Valley 51247Sioux County
Estimated valuepricier than$186,47022% of homes23% of homes
Price per ft²pricier than$497almost all homesalmost all homes
Living areabigger than375 ft²almost no homesalmost no homes
Year builtnewer than199064% of homes70% of homes

About 909 Main St

How much is 909 Main St, Rock Valley, IA worth?

The TopHap Estimate for 909 Main St, Rock Valley, IA is $186,470 as of Aug 30, 2026. The likely range is $156,388 to $216,552. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 909 Main St, Rock Valley, IA last sell?

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

How big is 909 Main St, Rock Valley, IA?

909 Main St, Rock Valley, IA has 1 bathrooms and 375 square feet of living space.

When was 909 Main St, Rock Valley, IA built?

909 Main St, Rock Valley, IA was built in 1990, making it 36 years old.

What schools serve 909 Main St, Rock Valley, IA?

909 Main St, 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 909 Main St, 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 22% of them ($186,470 against a typical $287,137), its price per square foot is higher than almost all of them ($497 against a typical $195), it is bigger than almost none of them (375 ft² against a typical 1,504 ft²) and it is newer than 64% of them (1990 against a typical 1975). Measured against all of Sioux County, it is worth more than 23% 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 909 Main St, Rock Valley, IA?

The 2025 property tax bill for 909 Main St, Rock Valley, IA was $134. The county assessed it at $8,510.

More homes on Main St

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More homes in Rock Valley 51247

Assigned schools

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