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Single Family ResidenceResidential
$158,508$110 / 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 77How 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 $4,100 on Oct 20, 1987

509 MAIN ST

DOON, IA 51235
1
Baths
1,444 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.
0.33 ac
Lot SizeThe size of the land the home sits on, from county records.
1925
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
7
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

$159K
$123K low$194K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$4,100 · Oct 20, 1987

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$660 (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.$63,530 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$14,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$48,830
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$50,750
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$63,530

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.Conventional
CountyLyon
Lot (acres)The size of the land the home sits on, from county records.0.33
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.Stone (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Yes
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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 100 ft²

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

E
Central Lyon Elementary SchoolA
Elementary · Grades PK–6 · 10.1 mi
M
Central Lyon Secondary SchoolA+
Middle · Grades 7–12 · 10.2 mi

District: Central Lyon Community School District

Neighborhood · ZIP 51235These 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.81
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 100.16

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.97%
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.3.5%
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.997
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.22 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$65,400
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$83,789
Average tempThe average temperature here across a full year.46°F
Annual precipHow much rain and melted snow falls here in a typical year.27 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

509 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.

  • Worth less than 82% of homes in Doon 51235
  • Costs less per square foot than 83% of homes in Doon 51235
  • Has a smaller lot than 74% of homes in Doon 51235
  • Older than 66% of homes in Doon 51235

What homes are worth in Doon 51235

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

This home
$102K$702K

This home is worth more than 18% of homes in Doon 51235.

How it measures up in Doon 51235

The dot is this home. The mark in the middle is the typical home in Doon 51235.

Estimated value$158,508
CheaperTypical $228,614Pricier

Pricier than 18% of homes nearby

Price per ft²$110
CheaperTypical $148Pricier

Pricier than 17% of homes nearby

Living area1,444 ft²
SmallerTypical 1,524 ft²Bigger

Bigger than 40% of homes nearby

Lot size0.33 ac
SmallerTypical 0.5 acBigger

Bigger than 26% of homes nearby

Year built1925
OlderTypical 1961Newer

Newer than 34% of homes nearby

How 509 Main St ranks against every home in each area.
MeasureThis homeDoon 51235Lyon County
Estimated valuepricier than$158,50818% of homes27% of homes
Price per ft²pricier than$11017% of homes26% of homes
Living areabigger than1,444 ft²40% of homes41% of homes
Lot sizebigger than0.33 ac26% of homes42% of homes
Year builtnewer than192534% of homes34% of homes

About 509 Main St

How much is 509 Main St, Doon, IA worth?

The TopHap Estimate for 509 Main St, Doon, IA is $158,508 as of Sep 24, 2026. The likely range is $122,561 to $194,455. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 509 Main St, Doon, IA last sell?

509 Main St, Doon, IA last sold on Oct 20, 1987 for $4,100, according to the county's recorded deed.

How big is 509 Main St, Doon, IA?

509 Main St, Doon, IA has 1 bathrooms, 1,444 square feet of living space and a 0.33-acre lot.

When was 509 Main St, Doon, IA built?

509 Main St, Doon, IA was built in 1925, making it 101 years old. It is a conventional home. The building has 1 story.

What schools serve 509 Main St, Doon, IA?

509 Main St, Doon, IA is assigned to Central Lyon Elementary School (elementary), rated A; Central Lyon Secondary School (middle), rated A+. All sit in Central Lyon Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 509 Main St, Doon, IA compare to other homes in Doon 51235?

Among the 417 homes in Doon 51235, it is worth more than 18% of them ($158,508 against a typical $228,614), its price per square foot is higher than 17% of them ($110 against a typical $148), it is bigger than 40% of them (1,444 ft² against a typical 1,524 ft²), its lot is bigger than 26% of them (0.33 ac against a typical 0.5 ac) and it is newer than 34% of them (1925 against a typical 1961). Measured against all of Lyon County, it is worth more than 27% 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 509 Main St, Doon, IA?

The 2024 property tax bill for 509 Main St, Doon, IA was $660. The county assessed it at $63,530.

More homes on Main St

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Assigned schools

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