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Single Family ResidenceResidential
$176,960$103 / 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

1007 40TH AVE

OTTOSEN, IA 50570
1
Baths
1,722 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.
5.5 ac
Lot SizeThe size of the land the home sits on, from county records.
1913
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
11
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$177K
$139K low$215K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,104 (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.$140,856 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$65,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$75,456
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$124,749
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$140,856

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.32
10
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
22
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
67
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.
9
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.7 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.Single Family Residence
CountyKOSSUTH
Lot (acres)The size of the land the home sits on, from county records.5.50
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.Metal
HeatingThe type of heating system in the home.Radiant
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, Detached
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 · 144 ft²Patio · 144 ft²Porch · 120 ft²

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.

E
Twin Rivers Elementary SchoolA+
Elementary · Grades PK–5 · 5.9 mi
H
Humboldt High SchoolA
High · Grades 9–12 · 16.0 mi
M
Humboldt Middle SchoolB-
Middle · Grades 5–8 · 16.1 mi

District: Humboldt Community School District

Neighborhood · ZIP 50570These 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.116
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.94
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.10

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.89%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.18%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
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.405
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.9 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$72,230
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$92,391
Average tempThe average temperature here across a full year.47°F
Annual precipHow much rain and melted snow falls here in a typical year.32 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

1007 40th Ave 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 more than 72% of homes in Ottosen 50570
  • Costs more per square foot than 76% of homes in Ottosen 50570
  • Bigger than 69% of homes in Kossuth County
  • Has a bigger lot than 81% of homes in Kossuth County
  • Older than 78% of homes in Kossuth County

What homes are worth in Ottosen 50570

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

This home
$35K$425K

This home is worth more than 72% of homes in Ottosen 50570.

How it measures up in Ottosen 50570

The dot is this home. The mark in the middle is the typical home in Ottosen 50570.

Estimated value$176,960
CheaperTypical $101,593Pricier

Pricier than 72% of homes nearby

Price per ft²$103
CheaperTypical $67Pricier

Pricier than 76% of homes nearby

Living area1,722 ft²
SmallerTypical 1,722 ft²Bigger

Bigger than 50% of homes nearby

Lot size5.5 ac
SmallerTypical 3.96 acBigger

Bigger than 59% of homes nearby

Year built1913
OlderTypical 1930Newer

Newer than 35% of homes nearby

How 1007 40th Ave ranks against every home in each area.
MeasureThis homeOttosen 50570Kossuth County
Estimated valuepricier than$176,96072% of homes68% of homes
Price per ft²pricier than$10376% of homes60% of homes
Living areabigger than1,722 ft²50% of homes69% of homes
Lot sizebigger than5.5 ac59% of homes81% of homes
Year builtnewer than191335% of homes22% of homes

About 1007 40th Ave

How much is 1007 40th Ave, Ottosen, IA worth?

The TopHap Estimate for 1007 40th Ave, Ottosen, IA is $176,960 as of Aug 30, 2026. The likely range is $139,018 to $214,902. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1007 40th Ave, Ottosen, IA last sell?

1007 40th Ave, Ottosen, IA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 1007 40th Ave, Ottosen, IA?

1007 40th Ave, Ottosen, IA has 1 bathrooms, 1,722 square feet of living space and a 5.50-acre lot.

When was 1007 40th Ave, Ottosen, IA built?

1007 40th Ave, Ottosen, IA was built in 1913, making it 113 years old. The building has 1 story.

What schools serve 1007 40th Ave, Ottosen, IA?

1007 40th Ave, Ottosen, IA is assigned to Twin Rivers Elementary School (elementary), rated A+; Humboldt High School (high), rated A; Humboldt Middle School (middle), rated B-. All sit in Humboldt Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1007 40th Ave, Ottosen, IA compare to other homes in Ottosen 50570?

Among the 112 homes in Ottosen 50570, it is worth more than 72% of them ($176,960 against a typical $101,593), its price per square foot is higher than 76% of them ($103 against a typical $67), it is bigger than 50% of them (1,722 ft² against a typical 1,722 ft²), its lot is bigger than 59% of them (5.5 ac against a typical 3.96 ac) and it is newer than 35% of them (1913 against a typical 1930). Measured against all of Kossuth County, it is worth more than 68% 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 1007 40th Ave, Ottosen, IA?

The 2025 property tax bill for 1007 40th Ave, Ottosen, IA was $1,104. The county assessed it at $140,856.

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