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Single Family ResidenceResidential
$102,069$71 / 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 80How 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

502 PROSPECT ST

ALTA, IA 51002
3
Beds
3 / 2
Baths
1,440 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.
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.
1920
Year BuiltThe year the home was originally built, according to county records.
2
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.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$102K
$81K low$123K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,648 (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.$145,740 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$10,920
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$134,820
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$145,740
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$145,740

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyBUENA VISTA
Lot (acres)The size of the land the home sits on, from county records.0.14
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.Central
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
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 · 63 ft²Patio · 177 ft²Porch · 196 ft²

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

H
Alta-Aurelia High SchoolC
High · Grades 9–12 · 0.4 mi
E
Alta Elementary SchoolA-
Elementary · Grades PK–4 · 0.4 mi
M
Alta-Aurelia Middle School
Middle · Grades 5–8 · 7.1 mi

District: Alta-Aurelia Community School District

Neighborhood · ZIP 51002These 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.146
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.94
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.12

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.92%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.19%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.5%
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.3,500
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.30 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$80,469
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$94,842
Average tempThe average temperature here across a full year.46°F
Annual precipHow much rain and melted snow falls here in a typical year.32 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

502 Prospect 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 less than 86% of homes in Alta 51002
  • Costs less per square foot than 88% of homes in Alta 51002
  • Has a smaller lot than 94% of homes in Alta 51002

What homes are worth in Alta 51002

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

This home
$49K$431K

This home is worth more than 14% of homes in Alta 51002.

How it measures up in Alta 51002

The dot is this home. The mark in the middle is the typical home in Alta 51002.

Estimated value$102,069
CheaperTypical $175,269Pricier

Pricier than 14% of homes nearby

Price per ft²$71
CheaperTypical $118Pricier

Pricier than 12% of homes nearby

Living area1,440 ft²
SmallerTypical 1,542 ft²Bigger

Bigger than 43% of homes nearby

Lot size0.14 ac
SmallerTypical 0.27 acBigger

Bigger than 6% of homes nearby

Year built1920
OlderTypical 1950Newer

Newer than 41% of homes nearby

How 502 Prospect St ranks against every home in each area.
MeasureThis homeAlta 51002Buena Vista County
Estimated valuepricier than$102,06914% of homes24% of homes
Price per ft²pricier than$7112% of homes18% of homes
Living areabigger than1,440 ft²43% of homes51% of homes
Lot sizebigger than0.14 ac6% of homes8% of homes
Year builtnewer than192041% of homes36% of homes

About 502 Prospect St

How much is 502 Prospect St, Alta, IA worth?

The TopHap Estimate for 502 Prospect St, Alta, IA is $102,069 as of Sep 24, 2026. The likely range is $81,202 to $122,936. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 502 Prospect St, Alta, IA last sell?

502 Prospect St, Alta, IA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 502 Prospect St, Alta, IA?

502 Prospect St, Alta, IA has 3 bedrooms, 3 bathrooms, 1,440 square feet of living space and a 0.14-acre lot.

When was 502 Prospect St, Alta, IA built?

502 Prospect St, Alta, IA was built in 1920, making it 106 years old. The building has 2 stories.

What schools serve 502 Prospect St, Alta, IA?

502 Prospect St, Alta, IA is assigned to Alta-Aurelia High School (high), rated C; Alta Elementary School (elementary), rated A-; Alta-Aurelia Middle School (middle). All sit in Alta-Aurelia Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 502 Prospect St, Alta, IA compare to other homes in Alta 51002?

Among the 1,086 homes in Alta 51002, it is worth more than 14% of them ($102,069 against a typical $175,269), its price per square foot is higher than 12% of them ($71 against a typical $118), it is bigger than 43% of them (1,440 ft² against a typical 1,542 ft²), its lot is bigger than 6% of them (0.14 ac against a typical 0.27 ac) and it is newer than 41% of them (1920 against a typical 1950). Measured against all of Buena Vista County, it is worth more than 24% 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 502 Prospect St, Alta, IA?

The 2025 property tax bill for 502 Prospect St, Alta, IA was $1,648. The county assessed it at $145,740.

More homes on Prospect St

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