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Residential (General/Single)Residential
$144,841
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 76How 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

687 31ST AVE SW

ALTOONA, IA 50009
0
Baths
0.41 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$145K
$110K low$179K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,034 (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.$63,200 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$38,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$24,300
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$58,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$63,200

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Residential (General/Single)
CountyPolk
Lot (acres)The size of the land the home sits on, from county records.0.41
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(3)

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.

E
Willowbrook ElementaryB
Elementary · Grades PK–5 · 0.8 mi
H
Southeast Polk High SchoolC-
High · Grades 9–12 · 4.3 mi
M
Southeast Polk Junior HighC+
Middle · Grades 7–8 · 4.5 mi

District: Southeast Polk Community School District

Neighborhood · ZIP 50009These 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.57
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.89
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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.25%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.0%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.21,191
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.798 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$88,697
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$106,400
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

687 31st Ave Sw 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.

  • Among the least valuable homes in Altoona 50009
  • Has a bigger lot than 85% of homes in Altoona 50009

What homes are worth in Altoona 50009

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

This home
$157K$638K

This home is worth less than almost all homes in Altoona 50009.

How it measures up in Altoona 50009

The dot is this home. The mark in the middle is the typical home in Altoona 50009.

Estimated value$144,841
CheaperTypical $330,827Pricier

Cheaper than almost all homes nearby

Lot size0.41 ac
SmallerTypical 0.23 acBigger

Bigger than 85% of homes nearby

How 687 31st Ave Sw ranks against every home in each area.
MeasureThis homeAltoona 50009Polk County
Estimated valuepricier than$144,841almost no homes11% of homes
Lot sizebigger than0.41 ac85% of homes84% of homes

About 687 31st Ave Sw

How much is 687 31st Ave Sw, Altoona, IA worth?

The TopHap Estimate for 687 31st Ave Sw, Altoona, IA is $144,841 as of Aug 30, 2026. The likely range is $110,369 to $179,313. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

What schools serve 687 31st Ave Sw, Altoona, IA?

687 31st Ave Sw, Altoona, IA is assigned to Willowbrook Elementary (elementary), rated B; Southeast Polk High School (high), rated C-; Southeast Polk Junior High (middle), rated C+. All sit in Southeast Polk Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 687 31st Ave Sw, Altoona, IA compare to other homes in Altoona 50009?

Among the 7,603 homes in Altoona 50009, it is worth more than almost none of them ($144,841 against a typical $330,827) and its lot is bigger than 85% of them (0.41 ac against a typical 0.23 ac). Measured against all of Polk County, it is worth more than 11% 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 687 31st Ave Sw, Altoona, IA?

The 2024 property tax bill for 687 31st Ave Sw, Altoona, IA was $1,034. The county assessed it at $63,200.

More homes on 31st Ave Sw

Closest homes

More homes in Altoona 50009

Assigned schools

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