Skip to content
Skip to content
TopHapOpen in map
Residential (General/Single)Residential
$176,808$29 / 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

78 MAIN ST

KEYSTONE, IA 52249
0
Baths
6,075 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
2008
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$177K
$156K low$198K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$788 (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.$64,900 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$12,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$52,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$65,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$64,900

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.Residential (General/Single)
CountyBenton
Lot (acres)The size of the land the home sits on, from county records.0.17
RoofThe main material covering the roof, such as asphalt shingle or tile.Metal

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
Keystone ElementaryA
Elementary · Grades PK–3 · 0.3 mi
H
Benton Community High SchoolB
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%

Owner Tools

Do you own this home?
Claim this home

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

78 Main St 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.

  • Among the lowest price per square foot in Benton County
  • Among the largest homes in Keystone 52249
  • Has a smaller lot than 91% of homes in Benton County
  • Newer than 94% 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
$58K$515K

This home is worth more than 50% 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$176,808
CheaperTypical $179,305Pricier

Pricier than 50% of homes nearby

Price per ft²$29
CheaperTypical $111Pricier

Pricier than 2% of homes nearby

Living area6,075 ft²
SmallerTypical 1,632 ft²Bigger

Bigger than almost all homes nearby

Lot size0.17 ac
SmallerTypical 0.29 acBigger

Bigger than 24% of homes nearby

Year built2008
OlderTypical 1928Newer

Newer than 94% of homes nearby

How 78 Main St ranks against every home in each area.
MeasureThis homeKeystone 52249Benton County
Estimated valuepricier than$176,80850% of homes38% of homes
Price per ft²pricier than$292% of homesalmost no homes
Living areabigger than6,075 ft²almost all homesalmost all homes
Lot sizebigger than0.17 ac24% of homes9% of homes
Year builtnewer than200894% of homes90% of homes

About 78 Main St

How much is 78 Main St, Keystone, IA worth?

The TopHap Estimate for 78 Main St, Keystone, IA is $176,808 as of Aug 30, 2026. The likely range is $155,558 to $198,058. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 78 Main St, Keystone, IA last sell?

78 Main St, Keystone, IA last sold on Sep 17, 2009, according to the county's recorded deed.

How big is 78 Main St, Keystone, IA?

78 Main St, Keystone, IA has 6,075 square feet of living space and a 0.17-acre lot.

When was 78 Main St, Keystone, IA built?

78 Main St, Keystone, IA was built in 2008, making it 18 years old. The building has 1 story.

What schools serve 78 Main St, Keystone, IA?

78 Main St, 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 78 Main St, Keystone, IA compare to other homes in Keystone 52249?

Among the 410 homes in Keystone 52249, it is worth more than 50% of them ($176,808 against a typical $179,305), its price per square foot is higher than 2% of them ($29 against a typical $111), it is bigger than almost all of them (6,075 ft² against a typical 1,632 ft²), its lot is bigger than 24% of them (0.17 ac against a typical 0.29 ac) and it is newer than 94% of them (2008 against a typical 1928). Measured against all of Benton 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 78 Main St, Keystone, IA?

The 2024 property tax bill for 78 Main St, Keystone, IA was $788. The county assessed it at $64,900.

More homes on Main St

Closest homes

More homes in Keystone 52249

Assigned schools

Explore the area

See this home in context

Open 78 Main St on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map