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Single Family ResidenceResidential
$137,053$65 / 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 81How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026

307 3RD AVE

KEYSTONE, IA 52249
4
Beds
2
Baths
2,120 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.
0.16 ac
Lot SizeThe size of the land the home sits on, from county records.
1902
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.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$137K
$111K low$163K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,474 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$139,500 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$14,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$125,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$139,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$139,500

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyBENTON
Lot (acres)The size of the land the home sits on, from county records.0.16
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.Metal
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.Garage, Detached
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
Keystone ElementaryB+
Elementary · Grades PK–3 · 0.1 mi
H
Benton Community High SchoolC+
High · Grades 9–12 · 5.8 mi
M
Benton Community Middle SchoolC+
Middle · Grades 7–8 · 5.8 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

307 3rd 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 74% of homes in Benton County
  • Costs less per square foot than 94% of homes in Benton County
  • Bigger than 86% of homes in Benton County
  • Has a smaller lot than 93% of homes in Benton County
  • Older than 81% 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
$54K$502K

This home is worth more than 35% 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$137,053
CheaperTypical $174,370Pricier

Pricier than 35% of homes nearby

Price per ft²$65
CheaperTypical $106Pricier

Pricier than 12% of homes nearby

Living area2,120 ft²
SmallerTypical 1,632 ft²Bigger

Bigger than 85% of homes nearby

Lot size0.16 ac
SmallerTypical 0.29 acBigger

Bigger than 10% of homes nearby

Year built1902
OlderTypical 1930Newer

Newer than 21% of homes nearby

How 307 3rd Ave ranks against every home in each area.
MeasureThis homeKeystone 52249Benton County
Estimated valuepricier than$137,05335% of homes26% of homes
Price per ft²pricier than$6512% of homes6% of homes
Living areabigger than2,120 ft²85% of homes86% of homes
Lot sizebigger than0.16 ac10% of homes7% of homes
Year builtnewer than190221% of homes19% of homes

About 307 3rd Ave

How much is 307 3rd Ave, Keystone, IA worth?

The TopHap Estimate for 307 3rd Ave, Keystone, IA is $137,053 as of Sep 24, 2026. The likely range is $111,254 to $162,852. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 307 3rd Ave, Keystone, IA last sell?

307 3rd Ave, Keystone, IA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 307 3rd Ave, Keystone, IA?

307 3rd Ave, Keystone, IA has 4 bedrooms, 2 bathrooms, 2,120 square feet of living space and a 0.16-acre lot.

When was 307 3rd Ave, Keystone, IA built?

307 3rd Ave, Keystone, IA was built in 1902, making it 124 years old. The building has 2 stories.

What schools serve 307 3rd Ave, Keystone, IA?

307 3rd Ave, Keystone, IA is assigned to Keystone Elementary (elementary), rated B+; Benton Community High School (high), rated C+; 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 307 3rd Ave, Keystone, IA compare to other homes in Keystone 52249?

Among the 410 homes in Keystone 52249, it is worth more than 35% of them ($137,053 against a typical $174,370), its price per square foot is higher than 12% of them ($65 against a typical $106), it is bigger than 85% of them (2,120 ft² against a typical 1,632 ft²), its lot is bigger than 10% of them (0.16 ac against a typical 0.29 ac) and it is newer than 21% of them (1902 against a typical 1930). Measured against all of Benton County, it is worth more than 26% 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 307 3rd Ave, Keystone, IA?

The 2026 property tax bill for 307 3rd Ave, Keystone, IA was $1,474. The county assessed it at $139,500.

More homes on 3rd Ave

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