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Single Family ResidenceResidential
$144,833$91 / 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 79How 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

520 1ST ST

ALLISON, IA 50602
3
Beds
1 / 2
Baths
1,584 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.
0.4 ac
Lot SizeThe size of the land the home sits on, from county records.
1964
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$145K
$114K low$176K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,106 (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.$147,490 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$17,420
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$130,070
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$151,160
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$147,490

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.27
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
8
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
70
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.
5
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
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.minimal

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
CountyBUTLER
Lot (acres)The size of the land the home sits on, from county records.0.40
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.None
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
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 · 90 ft²Patio · 490 ft²

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

E
North Butler Elementary SchoolC+
Elementary · Grades PK–6 · 0.5 mi
M
North Butler Jr/Sr High SchoolB-
Middle · Grades 7–12 · 10.3 mi

District: North Butler Community School District

Neighborhood · ZIP 50602These 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.127
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.83
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.14%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.10%
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.1,562
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.20 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$66,450
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$76,392
Average tempThe average temperature here across a full year.47°F
Annual precipHow much rain and melted snow falls here in a typical year.34 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

520 1st 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 66% of homes in Butler County
  • Costs less per square foot than 72% of homes in Butler County
  • Newer than 68% of homes in Allison 50602

What homes are worth in Allison 50602

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

This home
$53K$361K

This home is worth more than 44% of homes in Allison 50602.

How it measures up in Allison 50602

The dot is this home. The mark in the middle is the typical home in Allison 50602.

Estimated value$144,833
CheaperTypical $152,914Pricier

Pricier than 44% of homes nearby

Price per ft²$91
CheaperTypical $105Pricier

Pricier than 33% of homes nearby

Living area1,584 ft²
SmallerTypical 1,440 ft²Bigger

Bigger than 60% of homes nearby

Lot size0.4 ac
SmallerTypical 0.3 acBigger

Bigger than 56% of homes nearby

Year built1964
OlderTypical 1950Newer

Newer than 68% of homes nearby

How 520 1st St ranks against every home in each area.
MeasureThis homeAllison 50602Butler County
Estimated valuepricier than$144,83344% of homes34% of homes
Price per ft²pricier than$9133% of homes28% of homes
Living areabigger than1,584 ft²60% of homes59% of homes
Lot sizebigger than0.4 ac56% of homes51% of homes
Year builtnewer than196468% of homes58% of homes

About 520 1st St

How much is 520 1st St, Allison, IA worth?

The TopHap Estimate for 520 1st St, Allison, IA is $144,833 as of Aug 30, 2026. The likely range is $114,152 to $175,514. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 520 1st St, Allison, IA last sell?

520 1st St, Allison, IA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 520 1st St, Allison, IA?

520 1st St, Allison, IA has 3 bedrooms, 1 bathrooms, 1,584 square feet of living space and a 0.40-acre lot.

When was 520 1st St, Allison, IA built?

520 1st St, Allison, IA was built in 1964, making it 62 years old. The building has 1 story.

What schools serve 520 1st St, Allison, IA?

520 1st St, Allison, IA is assigned to North Butler Elementary School (elementary), rated C+; North Butler Jr/Sr High School (middle), rated B-. All sit in North Butler Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 520 1st St, Allison, IA compare to other homes in Allison 50602?

Among the 710 homes in Allison 50602, it is worth more than 44% of them ($144,833 against a typical $152,914), its price per square foot is higher than 33% of them ($91 against a typical $105), it is bigger than 60% of them (1,584 ft² against a typical 1,440 ft²), its lot is bigger than 56% of them (0.4 ac against a typical 0.3 ac) and it is newer than 68% of them (1964 against a typical 1950). Measured against all of Butler County, it is worth more than 34% 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 520 1st St, Allison, IA?

The 2025 property tax bill for 520 1st St, Allison, IA was $2,106. The county assessed it at $147,490.

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