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Single Family ResidenceResidential
$120,763$87 / 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 88How 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
Last sold for $65,300 on Jul 3, 2018

509 4TH AVE

SIBLEY, IA 51249
3
Beds
2
Baths
1,384 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.
0.19 ac
Lot SizeThe size of the land the home sits on, from county records.
1892
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.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$121K
$106K low$135K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$65,300 · Jul 3, 2018

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,462 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$91,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$7,240
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$83,760
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$91,140
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$91,000

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyOsceola
Lot (acres)The size of the land the home sits on, from county records.0.19
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.Asphalt
HeatingThe type of heating system in the home.Forced Air
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
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(2)

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.

E
Sibley Ocheyedan Elementary SchoolB
Elementary · Grades PK–4 · 0.4 mi
H
Sibley-Ocheyedan High SchoolB
High · Grades 9–12 · 0.7 mi
M
Sibley-Ocheyedan Middle SchoolB-
Middle · Grades 5–8 · 0.7 mi

District: Sibley-Ocheyedan Community School District

Neighborhood · ZIP 51249These 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 100.12

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.91%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.8.5%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.18%
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.3,675
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.28 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$66,165
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$81,977
Average tempThe average temperature here across a full year.45°F
Annual precipHow much rain and melted snow falls here in a typical year.28 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

509 4th 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.

  • Worth less than 66% of homes in Sibley 51249
  • Costs less per square foot than 69% of homes in Sibley 51249
  • Has a smaller lot than 78% of homes in Osceola County
  • Older than 93% of homes in Osceola County

What homes are worth in Sibley 51249

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

This home
$43K$614K

This home is worth more than 34% of homes in Sibley 51249.

How it measures up in Sibley 51249

The dot is this home. The mark in the middle is the typical home in Sibley 51249.

Estimated value$120,763
CheaperTypical $162,861Pricier

Pricier than 34% of homes nearby

Price per ft²$87
CheaperTypical $120Pricier

Pricier than 31% of homes nearby

Living area1,384 ft²
SmallerTypical 1,438 ft²Bigger

Bigger than 46% of homes nearby

Lot size0.19 ac
SmallerTypical 0.26 acBigger

Bigger than 29% of homes nearby

Year built1892
OlderTypical 1950Newer

Newer than 8% of homes nearby

How 509 4th Ave ranks against every home in each area.
MeasureThis homeSibley 51249Osceola County
Estimated valuepricier than$120,76334% of homes38% of homes
Price per ft²pricier than$8731% of homes39% of homes
Living areabigger than1,384 ft²46% of homes43% of homes
Lot sizebigger than0.19 ac29% of homes22% of homes
Year builtnewer than18928% of homes7% of homes

About 509 4th Ave

How much is 509 4th Ave, Sibley, IA worth?

The TopHap Estimate for 509 4th Ave, Sibley, IA is $120,763 as of Aug 30, 2026. The likely range is $106,382 to $135,144. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 509 4th Ave, Sibley, IA last sell?

509 4th Ave, Sibley, IA last sold on Jul 3, 2018 for $65,300, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 509 4th Ave, Sibley, IA?

509 4th Ave, Sibley, IA has 3 bedrooms, 2 bathrooms, 1,384 square feet of living space and a 0.19-acre lot.

When was 509 4th Ave, Sibley, IA built?

509 4th Ave, Sibley, IA was built in 1892, making it 134 years old. The building has 2 stories.

What schools serve 509 4th Ave, Sibley, IA?

509 4th Ave, Sibley, IA is assigned to Sibley Ocheyedan Elementary School (elementary), rated B; Sibley-Ocheyedan High School (high), rated B; Sibley-Ocheyedan Middle School (middle), rated B-. All sit in Sibley-Ocheyedan Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 509 4th Ave, Sibley, IA compare to other homes in Sibley 51249?

Among the 1,547 homes in Sibley 51249, it is worth more than 34% of them ($120,763 against a typical $162,861), its price per square foot is higher than 31% of them ($87 against a typical $120), it is bigger than 46% of them (1,384 ft² against a typical 1,438 ft²), its lot is bigger than 29% of them (0.19 ac against a typical 0.26 ac) and it is newer than 8% of them (1892 against a typical 1950). Measured against all of Osceola County, it is worth more than 38% 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 509 4th Ave, Sibley, IA?

The 2024 property tax bill for 509 4th Ave, Sibley, IA was $1,462. The county assessed it at $91,000.

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