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Residential (General/Single)Residential
$158,711$13 / 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 Oct 21, 2026

904 JOHN ST

CORNING, IA 50841
0
Baths
12,176 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.
1.26 ac
Lot SizeThe size of the land the home sits on, from county records.
1960
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$159K
$124K low$193K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$776 (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.$41,500 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$22,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$18,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$39,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$41,500

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.74 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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.1 percent flood zone

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)
CountyADAMS
Lot (acres)The size of the land the home sits on, from county records.1.26
PoolWhether the property has a pool, and what kind, such as in-ground.No

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

H
Southwest Valley High SchoolD-
High · Grades 9–12 · 0.5 mi
E
Corning Elementary SchoolB-
Elementary · Grades PK–5 · 0.7 mi

District: Corning Community School District

Neighborhood · ZIP 50841These 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.141
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.112
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.17

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.84%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.16%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.4%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.2,572
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.11 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$64,297
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$83,068
Average tempThe average temperature here across a full year.50°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.59%

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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

904 John 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.

  • Worth more than 75% of homes in Corning 50841
  • Among the lowest price per square foot in Corning 50841
  • Among the largest homes in Corning 50841

What homes are worth in Corning 50841

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

This home
$37K$328K

This home is worth more than 75% of homes in Corning 50841.

How it measures up in Corning 50841

The dot is this home. The mark in the middle is the typical home in Corning 50841.

Estimated value$158,711
CheaperTypical $99,674Pricier

Pricier than 75% of homes nearby

Price per ft²$13
CheaperTypical $76Pricier

Cheaper than almost all homes nearby

Living area12,176 ft²
SmallerTypical 1,374 ft²Bigger

Bigger than almost all homes nearby

Lot size1.26 ac
SmallerTypical 0.51 acBigger

Bigger than 58% of homes nearby

Year built1960
OlderTypical 1942Newer

Newer than 61% of homes nearby

How 904 John St ranks against every home in each area.
MeasureThis homeCorning 50841Adams County
Estimated valuepricier than$158,71175% of homes68% of homes
Price per ft²pricier than$13almost no homesalmost no homes
Living areabigger than12,176 ft²almost all homesalmost all homes
Lot sizebigger than1.26 ac58% of homes51% of homes
Year builtnewer than196061% of homes61% of homes

About 904 John St

How much is 904 John St, Corning, IA worth?

The TopHap Estimate for 904 John St, Corning, IA is $158,711 as of Oct 21, 2026. The likely range is $124,101 to $193,321. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 904 John St, Corning, IA last sell?

904 John St, Corning, IA last sold on Aug 10, 1968, according to the county's recorded deed.

How big is 904 John St, Corning, IA?

904 John St, Corning, IA has 12,176 square feet of living space and a 1.26-acre lot.

When was 904 John St, Corning, IA built?

904 John St, Corning, IA was built in 1960, making it 66 years old. The building has 1 story.

What schools serve 904 John St, Corning, IA?

904 John St, Corning, IA is assigned to Southwest Valley High School (high), rated D-; Corning Elementary School (elementary), rated B-. All sit in Corning Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 904 John St, Corning, IA compare to other homes in Corning 50841?

Among the 1,333 homes in Corning 50841, it is worth more than 75% of them ($158,711 against a typical $99,674), its price per square foot is higher than almost none of them ($13 against a typical $76), it is bigger than almost all of them (12,176 ft² against a typical 1,374 ft²), its lot is bigger than 58% of them (1.26 ac against a typical 0.51 ac) and it is newer than 61% of them (1960 against a typical 1942). Measured against all of Adams County, it is worth more than 68% 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 904 John St, Corning, IA?

The 2025 property tax bill for 904 John St, Corning, IA was $776. The county assessed it at $41,500.

More homes on John St

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Assigned schools

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