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CondominiumResidential
$183,788$188 / 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

1236 13TH AVE S

ROCK VALLEY, IA 51247
Building report
1
Baths
976 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.
3,216 ft²
Lot SizeThe size of the land the home sits on, from county records.
1981
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$184K
$154K low$213K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,466 (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.$93,180 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$6,780
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$86,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$79,580
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$93,180

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
StyleThe architectural style of the home, such as ranch or colonial.Condo/Apartment
CountySIOUX
Lot (acres)The size of the land the home sits on, from county records.0.07
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Baseboard
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.Garage, Detached
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 · 0.9 mi
M
Rock Valley High SchoolA-
Middle · Grades 9–12 · 0.9 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

1236 13th Ave S 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 79% of homes in Rock Valley 51247
  • Smaller than 93% of homes in Rock Valley 51247
  • Among the smallest lots in Rock Valley 51247
  • Newer than 65% 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 21% 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$183,788
CheaperTypical $287,137Pricier

Pricier than 21% of homes nearby

Price per ft²$188
CheaperTypical $195Pricier

Pricier than 46% of homes nearby

Living area976 ft²
SmallerTypical 1,504 ft²Bigger

Bigger than 7% of homes nearby

Lot size3,216 ft²
SmallerTypical 0.36 acBigger

Smaller than almost all homes nearby

Year built1981
OlderTypical 1975Newer

Newer than 58% of homes nearby

How 1236 13th Ave S ranks against every home in each area.
MeasureThis homeRock Valley 51247Sioux County
Estimated valuepricier than$183,78821% of homes22% of homes
Price per ft²pricier than$18846% of homes49% of homes
Living areabigger than976 ft²7% of homes8% of homes
Lot sizebigger than3,216 ft²almost no homesalmost no homes
Year builtnewer than198158% of homes65% of homes

About 1236 13th Ave S

How much is 1236 13th Ave S, Rock Valley, IA worth?

The TopHap Estimate for 1236 13th Ave S, Rock Valley, IA is $183,788 as of Aug 30, 2026. The likely range is $154,139 to $213,437. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1236 13th Ave S, Rock Valley, IA last sell?

1236 13th Ave S, Rock Valley, IA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 1236 13th Ave S, Rock Valley, IA?

1236 13th Ave S, Rock Valley, IA has 1 bathrooms, 976 square feet of living space and a 0.07-acre lot.

When was 1236 13th Ave S, Rock Valley, IA built?

1236 13th Ave S, Rock Valley, IA was built in 1981, making it 45 years old. It is a condo/apartment home. The building has 2 stories.

What schools serve 1236 13th Ave S, Rock Valley, IA?

1236 13th Ave S, 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 1236 13th Ave S, 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 21% of them ($183,788 against a typical $287,137), its price per square foot is higher than 46% of them ($188 against a typical $195), it is bigger than 7% of them (976 ft² against a typical 1,504 ft²), its lot is bigger than almost none of them (3,216 ft² against a typical 0.36 ac) and it is newer than 58% of them (1981 against a typical 1975). Measured against all of Sioux County, it is worth more than 22% 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 1236 13th Ave S, Rock Valley, IA?

The 2025 property tax bill for 1236 13th Ave S, Rock Valley, IA was $1,466. The county assessed it at $93,180.

More homes on 13th Ave S

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