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Single Family ResidenceResidential
$190,509$72 / 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 $190,000 on Jul 20, 2026

507 W MAIN ST

DECORAH, IA 52101
5
Beds
1.5
Baths
2,654 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.
0.18 ac
Lot SizeThe size of the land the home sits on, from county records.
1896
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
9
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$191K
$153K low$228K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$190,000 · Jul 20, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,660 (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.$269,400 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$28,220
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$241,180
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$235,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$269,400

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.40
45
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
6
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
63
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
60
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
29
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.8 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.34%
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.Single Family Residence
CountyWINNESHIEK
Lot (acres)The size of the land the home sits on, from county records.0.18
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.Hot Water
CoolingThe type of cooling or air conditioning in the home.None
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, 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.Porch · 168 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
Decorah Middle SchoolA
Middle · Grades 5–8 · 0.2 mi
E
John Cline Elementary School
Elementary · Grades KG–2 · 0.3 mi
H
Decorah High SchoolA+
High · Grades 9–12 · 0.4 mi

District: Decorah Community School District

Neighborhood · ZIP 52101These 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.97
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.78
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.92%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.26%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.13,187
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.42 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$73,457
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$94,291
Average tempThe average temperature here across a full year.45°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

507 W 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 77% of homes in Decorah 52101
  • Costs less per square foot than 97% of homes in Decorah 52101
  • Bigger than 94% of homes in Winneshiek County
  • Has a smaller lot than 83% of homes in Winneshiek County
  • Older than 91% of homes in Winneshiek County

What homes are worth in Decorah 52101

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

This home
$79K$687K

This home is worth more than 23% of homes in Decorah 52101.

How it measures up in Decorah 52101

The dot is this home. The mark in the middle is the typical home in Decorah 52101.

Estimated value$190,509
CheaperTypical $270,776Pricier

Pricier than 23% of homes nearby

Price per ft²$72
CheaperTypical $182Pricier

Pricier than 3% of homes nearby

Living area2,654 ft²
SmallerTypical 1,531 ft²Bigger

Bigger than 93% of homes nearby

Lot size0.18 ac
SmallerTypical 0.48 acBigger

Bigger than 20% of homes nearby

Year built1896
OlderTypical 1969Newer

Newer than 11% of homes nearby

How 507 W Main St ranks against every home in each area.
MeasureThis homeDecorah 52101Winneshiek County
Estimated valuepricier than$190,50923% of homes36% of homes
Price per ft²pricier than$723% of homes9% of homes
Living areabigger than2,654 ft²93% of homes94% of homes
Lot sizebigger than0.18 ac20% of homes17% of homes
Year builtnewer than189611% of homes9% of homes

About 507 W Main St

How much is 507 W Main St, Decorah, IA worth?

The TopHap Estimate for 507 W Main St, Decorah, IA is $190,509 as of Sep 24, 2026. The likely range is $153,047 to $227,971. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 507 W Main St, Decorah, IA last sell?

507 W Main St, Decorah, IA last sold on Jul 20, 2026 for $190,000, according to the county's recorded deed.

How big is 507 W Main St, Decorah, IA?

507 W Main St, Decorah, IA has 5 bedrooms, 1.5 bathrooms, 2,654 square feet of living space and a 0.18-acre lot.

When was 507 W Main St, Decorah, IA built?

507 W Main St, Decorah, IA was built in 1896, making it 130 years old. The building has 2 stories.

What schools serve 507 W Main St, Decorah, IA?

507 W Main St, Decorah, IA is assigned to Decorah Middle School (middle), rated A; John Cline Elementary School (elementary); Decorah High School (high), rated A+. All sit in Decorah Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 507 W Main St, Decorah, IA compare to other homes in Decorah 52101?

Among the 5,096 homes in Decorah 52101, it is worth more than 23% of them ($190,509 against a typical $270,776), its price per square foot is higher than 3% of them ($72 against a typical $182), it is bigger than 93% of them (2,654 ft² against a typical 1,531 ft²), its lot is bigger than 20% of them (0.18 ac against a typical 0.48 ac) and it is newer than 11% of them (1896 against a typical 1969). Measured against all of Winneshiek County, it is worth more than 36% 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 507 W Main St, Decorah, IA?

The 2025 property tax bill for 507 W Main St, Decorah, IA was $4,660. The county assessed it at $269,400.

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