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Rural ResidenceResidential
$215,967$163 / 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 Sep 24, 2026

6428 40TH AVE

ALTA, IA 51002
3
Beds
1
Baths
1,328 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.
39 ac
Lot SizeThe size of the land the home sits on, from county records.
1950
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
4
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$216K
$168K low$264K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,168 (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.$332,660 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$88,020
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$244,640
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$300,430
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$332,660

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

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
CountyBUENA VISTA
Lot (acres)The size of the land the home sits on, from county records.39.00
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.Metal
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.Porch · 100 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 · 5.7 mi
E
Alta Elementary SchoolA-
Elementary · Grades PK–4 · 5.7 mi
M
Alta-Aurelia Middle School
Middle · Grades 5–8 · 10.4 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

6428 40th 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 72% of homes in Buena Vista County
  • Costs more per square foot than 81% of homes in Alta 51002
  • Smaller than 69% of homes in Alta 51002
  • Has a bigger lot than 97% 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 67% 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$215,967
CheaperTypical $175,269Pricier

Pricier than 67% of homes nearby

Price per ft²$163
CheaperTypical $118Pricier

Pricier than 81% of homes nearby

Living area1,328 ft²
SmallerTypical 1,542 ft²Bigger

Bigger than 31% of homes nearby

Lot size39 ac
SmallerTypical 0.27 acBigger

Bigger than 97% of homes nearby

Year built1950
OlderTypical 1950Newer

Newer than 52% of homes nearby

How 6428 40th Ave ranks against every home in each area.
MeasureThis homeAlta 51002Buena Vista County
Estimated valuepricier than$215,96767% of homes72% of homes
Price per ft²pricier than$16381% of homes79% of homes
Living areabigger than1,328 ft²31% of homes42% of homes
Lot sizebigger than39 ac97% of homes97% of homes
Year builtnewer than195052% of homes52% of homes

About 6428 40th Ave

How much is 6428 40th Ave, Alta, IA worth?

The TopHap Estimate for 6428 40th Ave, Alta, IA is $215,967 as of Sep 24, 2026. The likely range is $168,080 to $263,854. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 6428 40th Ave, Alta, IA last sell?

6428 40th Ave, Alta, IA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 6428 40th Ave, Alta, IA?

6428 40th Ave, Alta, IA has 3 bedrooms, 1 bathrooms, 1,328 square feet of living space and a 39.00-acre lot.

When was 6428 40th Ave, Alta, IA built?

6428 40th Ave, Alta, IA was built in 1950, making it 76 years old. The building has 1 story.

What schools serve 6428 40th Ave, Alta, IA?

6428 40th Ave, 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 6428 40th Ave, Alta, IA compare to other homes in Alta 51002?

Among the 1,086 homes in Alta 51002, it is worth more than 67% of them ($215,967 against a typical $175,269), its price per square foot is higher than 81% of them ($163 against a typical $118), it is bigger than 31% of them (1,328 ft² against a typical 1,542 ft²), its lot is bigger than 97% of them (39 ac against a typical 0.27 ac) and it is newer than 52% of them (1950 against a typical 1950). Measured against all of Buena Vista County, it is worth more than 72% 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 6428 40th Ave, Alta, IA?

The 2025 property tax bill for 6428 40th Ave, Alta, IA was $4,168. The county assessed it at $332,660.

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