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Single Family ResidenceResidential
$98,580$59 / 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 85How 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 $98,000 on Jun 30, 2026

308 4TH AVE

KEYSTONE, IA 52249
4
Beds
2
Baths
1,662 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.
0.15 ac
Lot SizeThe size of the land the home sits on, from county records.
1947
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
4
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$99K
$84K low$113K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$98,000 · Jun 30, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,734 (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.$153,100 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$16,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$137,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$155,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$153,100

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.0.15
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, Attached
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.Deck · 192 ft²Patio · 252 ft²

Transaction History(3)

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
Keystone ElementaryA
Elementary · Grades PK–3 · 0.1 mi
H
Benton Community High SchoolB
High · Grades 9–12 · 5.9 mi
M
Benton Community Middle SchoolC
Middle · Grades 7–8 · 5.9 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

308 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 86% of homes in Keystone 52249
  • Costs less per square foot than 94% of homes in Benton County
  • Has a smaller lot than 95% 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
$57K$476K

This home is worth more than 14% 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$98,580
CheaperTypical $176,808Pricier

Pricier than 14% of homes nearby

Price per ft²$59
CheaperTypical $111Pricier

Pricier than 9% of homes nearby

Living area1,662 ft²
SmallerTypical 1,632 ft²Bigger

Bigger than 52% of homes nearby

Lot size0.15 ac
SmallerTypical 0.29 acBigger

Bigger than 8% of homes nearby

Year built1947
OlderTypical 1928Newer

Newer than 58% of homes nearby

How 308 4th Ave ranks against every home in each area.
MeasureThis homeKeystone 52249Benton County
Estimated valuepricier than$98,58014% of homes14% of homes
Price per ft²pricier than$599% of homes6% of homes
Living areabigger than1,662 ft²52% of homes64% of homes
Lot sizebigger than0.15 ac8% of homes5% of homes
Year builtnewer than194758% of homes39% of homes

About 308 4th Ave

How much is 308 4th Ave, Keystone, IA worth?

The TopHap Estimate for 308 4th Ave, Keystone, IA is $98,580 as of Aug 30, 2026. The likely range is $83,892 to $113,268. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 308 4th Ave, Keystone, IA last sell?

308 4th Ave, Keystone, IA last sold on Jun 30, 2026 for $98,000, according to the county's recorded deed.

How big is 308 4th Ave, Keystone, IA?

308 4th Ave, Keystone, IA has 4 bedrooms, 2 bathrooms, 1,662 square feet of living space and a 0.15-acre lot.

When was 308 4th Ave, Keystone, IA built?

308 4th Ave, Keystone, IA was built in 1947, making it 79 years old. The building has 1 story.

What schools serve 308 4th Ave, Keystone, IA?

308 4th 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 308 4th Ave, Keystone, IA compare to other homes in Keystone 52249?

Among the 410 homes in Keystone 52249, it is worth more than 14% of them ($98,580 against a typical $176,808), its price per square foot is higher than 9% of them ($59 against a typical $111), it is bigger than 52% of them (1,662 ft² against a typical 1,632 ft²), its lot is bigger than 8% of them (0.15 ac against a typical 0.29 ac) and it is newer than 58% of them (1947 against a typical 1928). Measured against all of Benton County, it is worth more than 14% 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 308 4th Ave, Keystone, IA?

The 2025 property tax bill for 308 4th Ave, Keystone, IA was $1,734. The county assessed it at $153,100.

More homes on 4th Ave

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