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Residential (General/Single)Residential
$55,218
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 70How 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

ONAWA, IA 51040
0
Baths
3,136 ft²
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$55K
$39K low$72K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$24 (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.$1,750 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$1,750
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,750
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,750

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.35
10
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
38
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
69
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
47
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
12
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.6 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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.Residential (General/Single)
CountyMONONA
Lot (acres)The size of the land the home sits on, from county records.0.07
PoolWhether the property has a pool, and what kind, such as in-ground.No

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

H
West Monona High SchoolB
High · Grades 9–12 · 0.5 mi
M
West Monona Middle SchoolB
Middle · Grades 6–8 · 0.5 mi
E
West Monona Elementary SchoolB-
Elementary · Grades PK–5 · 0.8 mi

District: West Monona Community School District

Neighborhood · ZIP 51040These 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.100
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.90
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.16

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.90%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.10%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.13%
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.3,959
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.29 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$57,746
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$72,985
Average tempThe average temperature here across a full year.49°F
Annual precipHow much rain and melted snow falls here in a typical year.30 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

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 80% of homes in Onawa 51040
  • Among the smallest lots in Onawa 51040

What homes are worth in Onawa 51040

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

This home
$24K$442K

This home is worth more than 20% of homes in Onawa 51040.

How it measures up in Onawa 51040

The dot is this home. The mark in the middle is the typical home in Onawa 51040.

Estimated value$55,218
CheaperTypical $110,700Pricier

Pricier than 20% of homes nearby

Lot size3,136 ft²
SmallerTypical 0.19 acBigger

Smaller than almost all homes nearby

How ranks against every home in each area.
MeasureThis homeOnawa 51040Monona County
Estimated valuepricier than$55,21820% of homes25% of homes
Lot sizebigger than3,136 ft²almost no homes2% of homes

About

How much is , Onawa, IA worth?

The TopHap Estimate for , Onawa, IA is $55,218 as of Sep 24, 2026. The likely range is $38,913 to $71,523. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did , Onawa, IA last sell?

, Onawa, IA last sold on Jan 1, 1900, according to the county's recorded deed.

What schools serve , Onawa, IA?

, Onawa, IA is assigned to West Monona High School (high), rated B; West Monona Middle School (middle), rated B; West Monona Elementary School (elementary), rated B-. All sit in West Monona Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does , Onawa, IA compare to other homes in Onawa 51040?

Among the 1,938 homes in Onawa 51040, it is worth more than 20% of them ($55,218 against a typical $110,700) and its lot is bigger than almost none of them (3,136 ft² against a typical 0.19 ac). Measured against all of Monona County, it is worth more than 25% 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 , Onawa, IA?

The 2025 property tax bill for , Onawa, IA was $24. The county assessed it at $1,750.

Closest homes

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Assigned schools

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