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Rural ResidenceResidential
$220,396$138 / 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 84How 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 $172,000 on Jul 30, 2026

31509 470TH ST

AVOCA, IA 51521
3
Beds
2
Baths
1,596 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.
5 ac
Lot SizeThe size of the land the home sits on, from county records.
2000
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$220K
$185K low$256K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$172,000 · Jul 30, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,520 (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.$252,400 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$11,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$240,700
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$219,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$252,400

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.60
98
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
32
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
71
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
55
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
47
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.103 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.Rural Residence
CountyPOTTAWATTAMIE
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.2003
Lot (acres)The size of the land the home sits on, from county records.5.00
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.Asphalt
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(4)

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.

M
AHSTW Intermediate SchoolB+
Middle · Grades 4–8 · 2.8 mi
H
AHSTW High SchoolA-
High · Grades 9–12 · 2.8 mi
E
AHSTW Primary SchoolB-
Elementary · Grades PK–3 · 2.8 mi

District: Ahstw Community School District

Neighborhood · ZIP 51521These 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.135
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.92
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.92%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.21%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.2,321
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.27 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$72,641
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$90,943
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

31509 470th 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.

  • Costs less per square foot than 87% of homes in Pottawattamie County
  • Bigger than 84% of homes in Pottawattamie County
  • Has a bigger lot than 92% of homes in Pottawattamie County
  • Newer than 84% of homes in Avoca 51521

What homes are worth in Avoca 51521

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

This home
$55K$525K

This home is worth more than 61% of homes in Avoca 51521.

How it measures up in Avoca 51521

The dot is this home. The mark in the middle is the typical home in Avoca 51521.

Estimated value$220,396
CheaperTypical $190,106Pricier

Pricier than 61% of homes nearby

Price per ft²$138
CheaperTypical $163Pricier

Pricier than 32% of homes nearby

Living area1,596 ft²
SmallerTypical 1,247 ft²Bigger

Bigger than 78% of homes nearby

Lot size5 ac
SmallerTypical 0.32 acBigger

Bigger than 87% of homes nearby

Year built2000
OlderTypical 1943Newer

Newer than 84% of homes nearby

How 31509 470th St ranks against every home in each area.
MeasureThis homeAvoca 51521Pottawattamie County
Estimated valuepricier than$220,39661% of homes46% of homes
Price per ft²pricier than$13832% of homes13% of homes
Living areabigger than1,596 ft²78% of homes84% of homes
Lot sizebigger than5 ac87% of homes92% of homes
Year builtnewer than200084% of homes84% of homes

About 31509 470th St

How much is 31509 470th St, Avoca, IA worth?

The TopHap Estimate for 31509 470th St, Avoca, IA is $220,396 as of Sep 24, 2026. The likely range is $184,891 to $255,901. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 31509 470th St, Avoca, IA last sell?

31509 470th St, Avoca, IA last sold on Jul 30, 2026 for $172,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 31509 470th St, Avoca, IA?

31509 470th St, Avoca, IA has 3 bedrooms, 2 bathrooms, 1,596 square feet of living space and a 5.00-acre lot.

When was 31509 470th St, Avoca, IA built?

31509 470th St, Avoca, IA was built in 2000, making it 26 years old. The building has 1 story.

What schools serve 31509 470th St, Avoca, IA?

31509 470th St, Avoca, IA is assigned to AHSTW Intermediate School (middle), rated B+; AHSTW High School (high), rated A-; AHSTW Primary School (elementary), rated B-. All sit in Ahstw Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 31509 470th St, Avoca, IA compare to other homes in Avoca 51521?

Among the 1,036 homes in Avoca 51521, it is worth more than 61% of them ($220,396 against a typical $190,106), its price per square foot is higher than 32% of them ($138 against a typical $163), it is bigger than 78% of them (1,596 ft² against a typical 1,247 ft²), its lot is bigger than 87% of them (5 ac against a typical 0.32 ac) and it is newer than 84% of them (2000 against a typical 1943). Measured against all of Pottawattamie County, it is worth more than 46% 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 31509 470th St, Avoca, IA?

The 2025 property tax bill for 31509 470th St, Avoca, IA was $2,520. The county assessed it at $252,400.

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