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Rural ResidenceResidential
$371,552$168 / 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 89How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $40,000 on Jun 8, 2026

6709 18TH AVE

KEYSTONE, IA 52249
3
Beds
2 / 2
Baths
2,208 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.
8 ac
Lot SizeThe size of the land the home sits on, from county records.
1886
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.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$372K
$332K low$412K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$40,000 · Jun 8, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,430 (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.$336,100 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$22,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$313,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$336,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$336,100

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.6 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

Scores 0–100; higher = greater projected risk.

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.8.00
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.Stone (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
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.Mixed
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.DeckPorch · 272 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.

H
Benton Community High SchoolC+
High · Grades 9–12 · 4.0 mi
M
Benton Community Middle SchoolC+
Middle · Grades 7–8 · 4.0 mi
E
Keystone ElementaryB+
Elementary · Grades PK–3 · 4.3 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%

Owner Tools

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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

6709 18th 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 95% of homes in Keystone 52249
  • Costs more per square foot than 84% of homes in Keystone 52249
  • Bigger than 88% of homes in Benton County
  • Has a bigger lot than 88% of homes in Benton County
  • Older than 97% of homes in Keystone 52249

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$492K

This home is worth more than 95% 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$371,552
CheaperTypical $172,802Pricier

Pricier than 95% of homes nearby

Price per ft²$168
CheaperTypical $108Pricier

Pricier than 84% of homes nearby

Living area2,208 ft²
SmallerTypical 1,636 ft²Bigger

Bigger than 87% of homes nearby

Lot size8 ac
SmallerTypical 0.29 acBigger

Bigger than 86% of homes nearby

Year built1886
OlderTypical 1929Newer

Newer than 3% of homes nearby

How 6709 18th Ave ranks against every home in each area.
MeasureThis homeKeystone 52249Benton County
Estimated valuepricier than$371,55295% of homes81% of homes
Price per ft²pricier than$16884% of homes57% of homes
Living areabigger than2,208 ft²87% of homes88% of homes
Lot sizebigger than8 ac86% of homes88% of homes
Year builtnewer than18863% of homes5% of homes

About 6709 18th Ave

How much is 6709 18th Ave, Keystone, IA worth?

The TopHap Estimate for 6709 18th Ave, Keystone, IA is $371,552 as of Oct 21, 2026. The likely range is $331,526 to $411,578. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 6709 18th Ave, Keystone, IA last sell?

6709 18th Ave, Keystone, IA last sold on Jun 8, 2026 for $40,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 6709 18th Ave, Keystone, IA?

6709 18th Ave, Keystone, IA has 3 bedrooms, 2 bathrooms, 2,208 square feet of living space and a 8.00-acre lot.

When was 6709 18th Ave, Keystone, IA built?

6709 18th Ave, Keystone, IA was built in 1886, making it 140 years old. The building has 2 stories.

What schools serve 6709 18th Ave, Keystone, IA?

6709 18th Ave, Keystone, IA is assigned to Benton Community High School (high), rated C+; Benton Community Middle School (middle), rated C+; Keystone Elementary (elementary), rated B+. All sit in Benton Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 6709 18th Ave, Keystone, IA compare to other homes in Keystone 52249?

Among the 410 homes in Keystone 52249, it is worth more than 95% of them ($371,552 against a typical $172,802), its price per square foot is higher than 84% of them ($168 against a typical $108), it is bigger than 87% of them (2,208 ft² against a typical 1,636 ft²), its lot is bigger than 86% of them (8 ac against a typical 0.29 ac) and it is newer than 3% of them (1886 against a typical 1929). Measured against all of Benton County, it is worth more than 81% 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 6709 18th Ave, Keystone, IA?

The 2026 property tax bill for 6709 18th Ave, Keystone, IA was $3,430. The county assessed it at $336,100.

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