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Single Family ResidentialResidential
$275,281$218 / 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 90How 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
Last sold for $121,000 on Apr 25, 2005

817 31ST AVE

MIDDLE AMANA, IA 52307
3
Beds
1.5
Baths
1,264 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.
0.46 ac
Lot SizeThe size of the land the home sits on, from county records.
1962
Year BuiltThe year the home was originally built, according to county records.
1
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

$275K
$246K low$304K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$121,000 · Apr 25, 2005

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,492 (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.$203,670 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$36,630
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$167,040
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$174,020
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$203,670

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residential
CountyIOWA
Lot (acres)The size of the land the home sits on, from county records.0.46
ConstructionThe main material the home's frame and walls are built from.Frame (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.Porch · 176 ft²

Transaction History(1)

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
Amana ElementaryB
Elementary · Grades PK–5 · 0.1 mi
H
Clear Creek Amana High SchoolB+
High · Grades 9–12 · 13.0 mi
M
Clear Creek Amana Middle SchoolA-
Middle · Grades 6–8 · 13.3 mi

District: Clear Creek-Amana Community School District

Neighborhood · ZIP 52307These 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.77
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.88
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.15

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.11%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.8%
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.16
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.25 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$101,907
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$115,602
Average tempThe average temperature here across a full year.49°F
Annual precipHow much rain and melted snow falls here in a typical year.35 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

817 31st 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 67% of homes in Middle Amana 52307
  • Costs more per square foot than 86% of homes in Middle Amana 52307
  • Smaller than 71% of homes in Iowa County

What homes are worth in Middle Amana 52307

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

This home
$131K$404K

This home is worth more than 67% of homes in Middle Amana 52307.

How it measures up in Middle Amana 52307

The dot is this home. The mark in the middle is the typical home in Middle Amana 52307.

Estimated value$275,281
CheaperTypical $257,893Pricier

Pricier than 67% of homes nearby

Price per ft²$218
CheaperTypical $146Pricier

Pricier than 86% of homes nearby

Living area1,264 ft²
SmallerTypical 1,726 ft²Bigger

Bigger than 30% of homes nearby

Lot size0.46 ac
SmallerTypical 0.46 acBigger

Bigger than 60% of homes nearby

Year built1962
OlderTypical 1957Newer

Newer than 60% of homes nearby

How 817 31st Ave ranks against every home in each area.
MeasureThis homeMiddle Amana 52307Iowa County
Estimated valuepricier than$275,28167% of homes67% of homes
Price per ft²pricier than$21886% of homes81% of homes
Living areabigger than1,264 ft²30% of homes29% of homes
Lot sizebigger than0.46 ac60% of homes49% of homes
Year builtnewer than196260% of homes50% of homes

About 817 31st Ave

How much is 817 31st Ave, Middle Amana, IA worth?

The TopHap Estimate for 817 31st Ave, Middle Amana, IA is $275,281 as of Sep 24, 2026. The likely range is $246,384 to $304,178. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 817 31st Ave, Middle Amana, IA last sell?

817 31st Ave, Middle Amana, IA last sold on Apr 25, 2005 for $121,000, according to the county's recorded deed.

How big is 817 31st Ave, Middle Amana, IA?

817 31st Ave, Middle Amana, IA has 3 bedrooms, 1.5 bathrooms, 1,264 square feet of living space and a 0.46-acre lot.

When was 817 31st Ave, Middle Amana, IA built?

817 31st Ave, Middle Amana, IA was built in 1962, making it 64 years old. The building has 1 story.

What schools serve 817 31st Ave, Middle Amana, IA?

817 31st Ave, Middle Amana, IA is assigned to Amana Elementary (elementary), rated B; Clear Creek Amana High School (high), rated B+; Clear Creek Amana Middle School (middle), rated A-. All sit in Clear Creek-Amana Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 817 31st Ave, Middle Amana, IA compare to other homes in Middle Amana 52307?

Among the 132 homes in Middle Amana 52307, it is worth more than 67% of them ($275,281 against a typical $257,893), its price per square foot is higher than 86% of them ($218 against a typical $146), it is bigger than 30% of them (1,264 ft² against a typical 1,726 ft²), its lot is bigger than 60% of them (0.46 ac against a typical 0.46 ac) and it is newer than 60% of them (1962 against a typical 1957). Measured against all of Iowa County, it is worth more than 67% 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 817 31st Ave, Middle Amana, IA?

The 2025 property tax bill for 817 31st Ave, Middle Amana, IA was $2,492. The county assessed it at $203,670.

More homes on 31st Ave

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