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Single Family ResidenceResidential
$147,365$101 / 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 80How 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 $100,000 on Sep 7, 2022

309 MAIN ST

DOON, IA 51235
2 / 2
Baths
1,460 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.
0.23 ac
Lot SizeThe size of the land the home sits on, from county records.
1971
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$147K
$118K low$177K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$100,000 · Sep 7, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,148 (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.$113,580 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$9,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$103,680
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$112,160
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$113,580

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyLYON
Lot (acres)The size of the land the home sits on, from county records.0.23
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
GarageWhether the property has a garage, and details like whether it is attached to the home.Mixed
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.Porch · 108 ft²

Transaction History(3)

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
Central Lyon Elementary SchoolA
Elementary · Grades PK–6 · 10.2 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

309 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 86% of homes in Doon 51235
  • Costs less per square foot than 87% of homes in Doon 51235
  • Has a smaller lot than 87% 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
$104K$702K

This home is worth more than 14% 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$147,365
CheaperTypical $229,306Pricier

Pricier than 14% of homes nearby

Price per ft²$101
CheaperTypical $148Pricier

Pricier than 13% of homes nearby

Living area1,460 ft²
SmallerTypical 1,524 ft²Bigger

Bigger than 42% of homes nearby

Lot size0.23 ac
SmallerTypical 0.51 acBigger

Bigger than 13% of homes nearby

Year built1971
OlderTypical 1961Newer

Newer than 57% of homes nearby

How 309 Main St ranks against every home in each area.
MeasureThis homeDoon 51235Lyon County
Estimated valuepricier than$147,36514% of homes24% of homes
Price per ft²pricier than$10113% of homes22% of homes
Living areabigger than1,460 ft²42% of homes42% of homes
Lot sizebigger than0.23 ac13% of homes22% of homes
Year builtnewer than197157% of homes61% of homes

About 309 Main St

How much is 309 Main St, Doon, IA worth?

The TopHap Estimate for 309 Main St, Doon, IA is $147,365 as of Sep 24, 2026. The likely range is $118,104 to $176,626. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 309 Main St, Doon, IA last sell?

309 Main St, Doon, IA last sold on Sep 7, 2022 for $100,000, according to the county's recorded deed.

How big is 309 Main St, Doon, IA?

309 Main St, Doon, IA has 2 bathrooms, 1,460 square feet of living space and a 0.23-acre lot.

When was 309 Main St, Doon, IA built?

309 Main St, Doon, IA was built in 1971, making it 55 years old. The building has 1 story.

What schools serve 309 Main St, Doon, IA?

309 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 309 Main St, Doon, IA compare to other homes in Doon 51235?

Among the 417 homes in Doon 51235, it is worth more than 14% of them ($147,365 against a typical $229,306), its price per square foot is higher than 13% of them ($101 against a typical $148), it is bigger than 42% of them (1,460 ft² against a typical 1,524 ft²), its lot is bigger than 13% of them (0.23 ac against a typical 0.51 ac) and it is newer than 57% of them (1971 against a typical 1961). Measured against all of Lyon County, it is worth more than 24% 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 309 Main St, Doon, IA?

The 2025 property tax bill for 309 Main St, Doon, IA was $1,148. The county assessed it at $113,580.

More homes on Main St

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More homes in Doon 51235

Assigned schools

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