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Single Family ResidenceResidential
$154,536$187 / 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 Aug 30, 2026

504 W WASHINGTON ST

AVOCA, IA 51521
3
Beds
3
Baths
828 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.
0.28 ac
Lot SizeThe size of the land the home sits on, from county records.
2023
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$155K
$124K low$185K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,434 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$170,400 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$20,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$149,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$146,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$170,400

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.38
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
18
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.

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyPottawattamie
Lot (acres)The size of the land the home sits on, from county records.0.28
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Concrete
RoofThe main material covering the roof, such as asphalt shingle or tile.Metal
HeatingThe type of heating system in the home.None
PoolWhether the property has a pool, and what kind, such as in-ground.No

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.

M
AHSTW Intermediate SchoolA
Middle · Grades 4–8 · 0.3 mi
H
AHSTW High SchoolB+
High · Grades 9–12 · 0.3 mi
E
AHSTW Primary SchoolB-
Elementary · Grades PK–3 · 0.3 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

504 W Washington 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 79% of homes in Pottawattamie County
  • Costs less per square foot than 68% of homes in Pottawattamie County
  • Smaller than 91% of homes in Avoca 51521
  • Among the newest 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
$51K$510K

This home is worth more than 38% 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$154,536
CheaperTypical $190,939Pricier

Pricier than 38% of homes nearby

Price per ft²$187
CheaperTypical $163Pricier

Pricier than 62% of homes nearby

Living area828 ft²
SmallerTypical 1,252 ft²Bigger

Bigger than 9% of homes nearby

Lot size0.28 ac
SmallerTypical 0.32 acBigger

Bigger than 45% of homes nearby

Year built2023
OlderTypical 1944Newer

Newer than almost all homes nearby

How 504 W Washington St ranks against every home in each area.
MeasureThis homeAvoca 51521Pottawattamie County
Estimated valuepricier than$154,53638% of homes21% of homes
Price per ft²pricier than$18762% of homes32% of homes
Living areabigger than828 ft²9% of homes14% of homes
Lot sizebigger than0.28 ac45% of homes62% of homes
Year builtnewer than2023almost all homesalmost all homes

About 504 W Washington St

How much is 504 W Washington St, Avoca, IA worth?

The TopHap Estimate for 504 W Washington St, Avoca, IA is $154,536 as of Aug 30, 2026. The likely range is $124,255 to $184,817. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 504 W Washington St, Avoca, IA last sell?

504 W Washington St, Avoca, IA last sold on Oct 9, 2006, according to the county's recorded deed.

How big is 504 W Washington St, Avoca, IA?

504 W Washington St, Avoca, IA has 3 bedrooms, 3 bathrooms, 828 square feet of living space and a 0.28-acre lot.

When was 504 W Washington St, Avoca, IA built?

504 W Washington St, Avoca, IA was built in 2023, making it 3 years old. The building has 1 story.

What schools serve 504 W Washington St, Avoca, IA?

504 W Washington St, Avoca, IA is assigned to AHSTW Intermediate School (middle), rated A; AHSTW High School (high), rated B+; 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 504 W Washington St, Avoca, IA compare to other homes in Avoca 51521?

Among the 1,036 homes in Avoca 51521, it is worth more than 38% of them ($154,536 against a typical $190,939), its price per square foot is higher than 62% of them ($187 against a typical $163), it is bigger than 9% of them (828 ft² against a typical 1,252 ft²), its lot is bigger than 45% of them (0.28 ac against a typical 0.32 ac) and it is newer than almost all of them (2023 against a typical 1944). Measured against all of Pottawattamie County, it is worth more than 21% 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 504 W Washington St, Avoca, IA?

The 2024 property tax bill for 504 W Washington St, Avoca, IA was $2,434. The county assessed it at $170,400.

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