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Single Family ResidenceResidential
$74,093$71 / 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 74How 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

309 MAIN ST

FOSTORIA, IA 51340
2
Beds
1
Baths
1,048 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.
0.31 ac
Lot SizeThe size of the land the home sits on, from county records.
1900
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
4
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$74K
$55K low$94K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$356 (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.$65,940 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$17,820
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$48,120
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$62,080
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$65,940

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.Ranch
CountyCLAY
Lot (acres)The size of the land the home sits on, from county records.0.31
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.Shingle
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.Patio · 168 ft²

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

M
Okoboji Middle SchoolB-
Middle · Grades 7–8 · 5.5 mi
E
Okoboji Elementary SchoolC+
Elementary · Grades PK–4 · 5.5 mi
H
Okoboji High SchoolB-
High · Grades 9–12 · 5.7 mi

District: Okoboji Community School District

Neighborhood · ZIP 51340These 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.60
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.95
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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.24%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.7%
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.0
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.$88,014
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$93,409
Average tempThe average temperature here across a full year.46°F
Annual precipHow much rain and melted snow falls here in a typical year.29 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 Clay County
  • Costs less per square foot than 79% of homes in Clay County
  • Smaller than 76% of homes in Clay County
  • Older than 84% of homes in Clay County

What homes are worth in Fostoria 51340

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

This home
$40K$219K

This home is worth more than 16% of homes in Fostoria 51340.

How it measures up in Fostoria 51340

The dot is this home. The mark in the middle is the typical home in Fostoria 51340.

Estimated value$74,093
CheaperTypical $115,079Pricier

Pricier than 16% of homes nearby

Price per ft²$71
CheaperTypical $88Pricier

Pricier than 27% of homes nearby

Living area1,048 ft²
SmallerTypical 1,248 ft²Bigger

Bigger than 31% of homes nearby

Lot size0.31 ac
SmallerTypical 0.33 acBigger

Bigger than 45% of homes nearby

Year built1900
OlderTypical 1947Newer

Newer than 26% of homes nearby

How 309 Main St ranks against every home in each area.
MeasureThis homeFostoria 51340Clay County
Estimated valuepricier than$74,09316% of homes14% of homes
Price per ft²pricier than$7127% of homes21% of homes
Living areabigger than1,048 ft²31% of homes24% of homes
Lot sizebigger than0.31 ac45% of homes58% of homes
Year builtnewer than190026% of homes16% of homes

About 309 Main St

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

The TopHap Estimate for 309 Main St, Fostoria, IA is $74,093 as of Aug 30, 2026. The likely range is $54,647 to $93,539. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

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

309 Main St, Fostoria, IA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 309 Main St, Fostoria, IA?

309 Main St, Fostoria, IA has 2 bedrooms, 1 bathrooms, 1,048 square feet of living space and a 0.31-acre lot.

When was 309 Main St, Fostoria, IA built?

309 Main St, Fostoria, IA was built in 1900, making it 126 years old. It is a ranch home. The building has 1 story.

What schools serve 309 Main St, Fostoria, IA?

309 Main St, Fostoria, IA is assigned to Okoboji Middle School (middle), rated B-; Okoboji Elementary School (elementary), rated C+; Okoboji High School (high), rated B-. All sit in Okoboji Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 309 Main St, Fostoria, IA compare to other homes in Fostoria 51340?

Among the 103 homes in Fostoria 51340, it is worth more than 16% of them ($74,093 against a typical $115,079), its price per square foot is higher than 27% of them ($71 against a typical $88), it is bigger than 31% of them (1,048 ft² against a typical 1,248 ft²), its lot is bigger than 45% of them (0.31 ac against a typical 0.33 ac) and it is newer than 26% of them (1900 against a typical 1947). Measured against all of Clay County, it is worth more than 14% 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, Fostoria, IA?

The 2025 property tax bill for 309 Main St, Fostoria, IA was $356. The county assessed it at $65,940.

More homes on Main St

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Assigned schools

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