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Single Family ResidenceResidential
$150,610$90 / 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 93How 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
Last sold for $10,000 on Jun 18, 2013

521 MAIN ST

DUNCOMBE, IA 50532
5
Beds
1.5
Baths
1,672 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.
0.37 ac
Lot SizeThe size of the land the home sits on, from county records.
1981
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
8
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

$151K
$141K low$161K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$10,000 · Jun 18, 2013

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,682 (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.$180,840 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$9,710
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$171,130
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$171,230
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$180,840

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.A-Frame
CountyWEBSTER
Lot (acres)The size of the land the home sits on, from county records.0.37
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.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
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 · 196 ft²Patio · 300 ft²Porch · 20 ft²

Transaction History(2)

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.

H
Webster City High SchoolD+
High · Grades 9–12 · 7.8 mi
M
Webster City Middle SchoolA-
Middle · Grades 5–8 · 8.7 mi
E
Pleasant View Elementary School
Elementary · Grades PK–1 · 8.8 mi

District: Webster City Community School District

Neighborhood · ZIP 50532These 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.114
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.96
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.13

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.86%
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.7.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.865
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.12 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$77,643
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$85,014
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

521 Main 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.

  • Bigger than 75% of homes in Webster County
  • Has a bigger lot than 70% of homes in Webster County
  • Newer than 86% of homes in Webster County

What homes are worth in Duncombe 50532

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

This home
$41K$535K

This home is worth more than 54% of homes in Duncombe 50532.

How it measures up in Duncombe 50532

The dot is this home. The mark in the middle is the typical home in Duncombe 50532.

Estimated value$150,610
CheaperTypical $138,588Pricier

Pricier than 54% of homes nearby

Price per ft²$90
CheaperTypical $103Pricier

Pricier than 36% of homes nearby

Living area1,672 ft²
SmallerTypical 1,500 ft²Bigger

Bigger than 63% of homes nearby

Lot size0.37 ac
SmallerTypical 1.16 acBigger

Bigger than 35% of homes nearby

Year built1981
OlderTypical 1940Newer

Newer than 81% of homes nearby

How 521 Main St ranks against every home in each area.
MeasureThis homeDuncombe 50532Webster County
Estimated valuepricier than$150,61054% of homes59% of homes
Price per ft²pricier than$9036% of homes42% of homes
Living areabigger than1,672 ft²63% of homes75% of homes
Lot sizebigger than0.37 ac35% of homes70% of homes
Year builtnewer than198181% of homes86% of homes

About 521 Main St

How much is 521 Main St, Duncombe, IA worth?

The TopHap Estimate for 521 Main St, Duncombe, IA is $150,610 as of Sep 24, 2026. The likely range is $140,694 to $160,526. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 521 Main St, Duncombe, IA last sell?

521 Main St, Duncombe, IA last sold on Jun 18, 2013 for $10,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 521 Main St, Duncombe, IA?

521 Main St, Duncombe, IA has 5 bedrooms, 1.5 bathrooms, 1,672 square feet of living space and a 0.37-acre lot.

When was 521 Main St, Duncombe, IA built?

521 Main St, Duncombe, IA was built in 1981, making it 45 years old. It is a a-frame home. The building has 2 stories.

What schools serve 521 Main St, Duncombe, IA?

521 Main St, Duncombe, IA is assigned to Webster City High School (high), rated D+; Webster City Middle School (middle), rated A-; Pleasant View Elementary School (elementary). All sit in Webster City Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 521 Main St, Duncombe, IA compare to other homes in Duncombe 50532?

Among the 402 homes in Duncombe 50532, it is worth more than 54% of them ($150,610 against a typical $138,588), its price per square foot is higher than 36% of them ($90 against a typical $103), it is bigger than 63% of them (1,672 ft² against a typical 1,500 ft²), its lot is bigger than 35% of them (0.37 ac against a typical 1.16 ac) and it is newer than 81% of them (1981 against a typical 1940). Measured against all of Webster County, it is worth more than 59% 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 521 Main St, Duncombe, IA?

The 2025 property tax bill for 521 Main St, Duncombe, IA was $2,682. The county assessed it at $180,840.

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Assigned schools

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