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Rural ResidenceResidential
$275,474$169 / 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 78How 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

6637 15TH AVE

KEYSTONE, IA 52249
3
Beds
2 / 1
Baths
1,626 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.
160 ac
Lot SizeThe size of the land the home sits on, from county records.
1910
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
7
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$275K
$214K low$337K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,990 (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.$738,400 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$445,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$292,700
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$626,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$738,400

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Rural Residence
CountyBenton
Lot (acres)The size of the land the home sits on, from county records.160.00
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.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.Patio · 452 ft²Porch · 112 ft²

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

E
Keystone ElementaryA
Elementary · Grades PK–3 · 4.1 mi
H
Benton Community High SchoolB
High · Grades 9–12 · 7.0 mi
M
Benton Community Middle SchoolC
Middle · Grades 7–8 · 7.0 mi

District: Benton Community School District

Neighborhood · ZIP 52249These 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.131
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.89
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.14

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.13%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.993
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.19 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$74,896
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$92,789
Average tempThe average temperature here across a full year.48°F
Annual precipHow much rain and melted snow falls here in a typical year.36 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

6637 15th 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 more than 82% of homes in Keystone 52249
  • Costs more per square foot than 82% of homes in Keystone 52249
  • Among the largest lots in Benton County
  • Older than 76% of homes in Benton County

What homes are worth in Keystone 52249

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

This home
$58K$515K

This home is worth more than 82% of homes in Keystone 52249.

How it measures up in Keystone 52249

The dot is this home. The mark in the middle is the typical home in Keystone 52249.

Estimated value$275,474
CheaperTypical $179,305Pricier

Pricier than 82% of homes nearby

Price per ft²$169
CheaperTypical $111Pricier

Pricier than 82% of homes nearby

Living area1,626 ft²
SmallerTypical 1,632 ft²Bigger

Bigger than 49% of homes nearby

Lot size160 ac
SmallerTypical 0.29 acBigger

Bigger than almost all homes nearby

Year built1910
OlderTypical 1928Newer

Newer than 31% of homes nearby

How 6637 15th Ave ranks against every home in each area.
MeasureThis homeKeystone 52249Benton County
Estimated valuepricier than$275,47482% of homes64% of homes
Price per ft²pricier than$16982% of homes58% of homes
Living areabigger than1,626 ft²49% of homes61% of homes
Lot sizebigger than160 acalmost all homesalmost all homes
Year builtnewer than191031% of homes24% of homes

About 6637 15th Ave

How much is 6637 15th Ave, Keystone, IA worth?

The TopHap Estimate for 6637 15th Ave, Keystone, IA is $275,474 as of Aug 30, 2026. The likely range is $214,064 to $336,884. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 6637 15th Ave, Keystone, IA last sell?

6637 15th Ave, Keystone, IA last sold on Dec 19, 2012, according to the county's recorded deed.

How big is 6637 15th Ave, Keystone, IA?

6637 15th Ave, Keystone, IA has 3 bedrooms, 2 bathrooms, 1,626 square feet of living space and a 160.00-acre lot.

When was 6637 15th Ave, Keystone, IA built?

6637 15th Ave, Keystone, IA was built in 1910, making it 116 years old. The building has 2 stories.

What schools serve 6637 15th Ave, Keystone, IA?

6637 15th Ave, Keystone, IA is assigned to Keystone Elementary (elementary), rated A; Benton Community High School (high), rated B; Benton Community Middle School (middle), rated C. All sit in Benton Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 6637 15th Ave, Keystone, IA compare to other homes in Keystone 52249?

Among the 410 homes in Keystone 52249, it is worth more than 82% of them ($275,474 against a typical $179,305), its price per square foot is higher than 82% of them ($169 against a typical $111), it is bigger than 49% of them (1,626 ft² against a typical 1,632 ft²), its lot is bigger than almost all of them (160 ac against a typical 0.29 ac) and it is newer than 31% of them (1910 against a typical 1928). Measured against all of Benton County, it is worth more than 64% 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 6637 15th Ave, Keystone, IA?

The 2024 property tax bill for 6637 15th Ave, Keystone, IA was $8,990. The county assessed it at $738,400.

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