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Rural ResidenceResidential
$415,949$135 / 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 76How 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

1910 400TH ST

WALNUT, IA 51577
4
Beds
3.5
Baths
3,090 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.
40 ac
Lot SizeThe size of the land the home sits on, from county records.
1920
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
10
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

$416K
$317K low$515K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,108 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$503,928 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$95,058
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$408,870
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$503,928
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$503,928

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.72 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.Rural Residence
CountySHELBY
Lot (acres)The size of the land the home sits on, from county records.40.00
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.Block (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.Yes
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 · 192 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.

M
AHSTW Intermediate SchoolB+
Middle · Grades 4–8 · 8.9 mi
H
AHSTW High SchoolA-
High · Grades 9–12 · 8.9 mi
E
AHSTW Primary SchoolB-
Elementary · Grades PK–3 · 8.9 mi

District: Ahstw Community School District

Neighborhood · ZIP 51577These 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.173
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 100.15

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.89%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.17%
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.1,061
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.13 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$68,405
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$85,432
Average tempThe average temperature here across a full year.49°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.59%

Owner Tools

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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

1910 400th 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 more than 97% of homes in Walnut 51577
  • Costs more per square foot than 67% of homes in Walnut 51577
  • Among the largest homes in Walnut 51577
  • Among the largest lots in Walnut 51577

What homes are worth in Walnut 51577

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

This home
$37K$446K

This home is worth more than 97% of homes in Walnut 51577.

How it measures up in Walnut 51577

The dot is this home. The mark in the middle is the typical home in Walnut 51577.

Estimated value$415,949
CheaperTypical $121,157Pricier

Pricier than 97% of homes nearby

Price per ft²$135
CheaperTypical $113Pricier

Pricier than 67% of homes nearby

Living area3,090 ft²
SmallerTypical 1,146 ft²Bigger

Bigger than almost all homes nearby

Lot size40 ac
SmallerTypical 0.41 acBigger

Bigger than almost all homes nearby

Year built1920
OlderTypical 1920Newer

Newer than 62% of homes nearby

How 1910 400th St ranks against every home in each area.
MeasureThis homeWalnut 51577Shelby County
Estimated valuepricier than$415,94997% of homes92% of homes
Price per ft²pricier than$13567% of homes54% of homes
Living areabigger than3,090 ft²almost all homes97% of homes
Lot sizebigger than40 acalmost all homesalmost all homes
Year builtnewer than192062% of homes40% of homes

About 1910 400th St

How much is 1910 400th St, Walnut, IA worth?

The TopHap Estimate for 1910 400th St, Walnut, IA is $415,949 as of Sep 24, 2026. The likely range is $316,855 to $515,043. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1910 400th St, Walnut, IA last sell?

1910 400th St, Walnut, IA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 1910 400th St, Walnut, IA?

1910 400th St, Walnut, IA has 4 bedrooms, 3.5 bathrooms, 3,090 square feet of living space and a 40.00-acre lot.

When was 1910 400th St, Walnut, IA built?

1910 400th St, Walnut, IA was built in 1920, making it 106 years old. The building has 1 story.

What schools serve 1910 400th St, Walnut, IA?

1910 400th St, Walnut, IA is assigned to AHSTW Intermediate School (middle), rated B+; AHSTW High School (high), rated A-; 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 1910 400th St, Walnut, IA compare to other homes in Walnut 51577?

Among the 552 homes in Walnut 51577, it is worth more than 97% of them ($415,949 against a typical $121,157), its price per square foot is higher than 67% of them ($135 against a typical $113), it is bigger than almost all of them (3,090 ft² against a typical 1,146 ft²), its lot is bigger than almost all of them (40 ac against a typical 0.41 ac) and it is newer than 62% of them (1920 against a typical 1920). Measured against all of Shelby County, it is worth more than 92% 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 1910 400th St, Walnut, IA?

The 2026 property tax bill for 1910 400th St, Walnut, IA was $6,108. The county assessed it at $503,928.

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