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Single Family ResidenceResidential
$422,343$176 / 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 81How 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

511 MAIN ST

SIDNEY, IA 51652
4
Beds
3.5
Baths
2,399 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.
0.32 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.
1
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.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$422K
$344K low$501K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,016 (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.$317,730 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$15,590
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$302,140
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$280,510
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$317,730

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.41
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
33
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
73
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
51
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
47
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
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
CountyFREMONT
Lot (acres)The size of the land the home sits on, from county records.0.32
ConstructionThe main material the home's frame and walls are built from.Brick
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.Central
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 · 224 ft²Porch · 160 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.

E
Sidney Elementary SchoolA
Elementary · Grades PK–6 · 0.4 mi
M
Sidney High SchoolC
Middle · Grades 7–12 · 0.8 mi

District: Sidney Community School District

Neighborhood · ZIP 51652These 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.132
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.122
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.26

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.90%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.22%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.0%
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.1,670
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.$69,871
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$85,027
Average tempThe average temperature here across a full year.51°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.59%

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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

511 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 more than 97% of homes in Fremont County
  • Costs more per square foot than 88% of homes in Fremont County
  • Bigger than 92% of homes in Sidney 51652
  • Has a smaller lot than 68% of homes in Fremont County
  • Newer than 80% of homes in Sidney 51652

What homes are worth in Sidney 51652

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

This home
$44K$550K

This home is worth more than 94% of homes in Sidney 51652.

How it measures up in Sidney 51652

The dot is this home. The mark in the middle is the typical home in Sidney 51652.

Estimated value$422,343
CheaperTypical $142,786Pricier

Pricier than 94% of homes nearby

Price per ft²$176
CheaperTypical $109Pricier

Pricier than 84% of homes nearby

Living area2,399 ft²
SmallerTypical 1,296 ft²Bigger

Bigger than 92% of homes nearby

Lot size0.32 ac
SmallerTypical 0.52 acBigger

Bigger than 37% of homes nearby

Year built1981
OlderTypical 1956Newer

Newer than 80% of homes nearby

How 511 Main St ranks against every home in each area.
MeasureThis homeSidney 51652Fremont County
Estimated valuepricier than$422,34394% of homes97% of homes
Price per ft²pricier than$17684% of homes88% of homes
Living areabigger than2,399 ft²92% of homes91% of homes
Lot sizebigger than0.32 ac37% of homes32% of homes
Year builtnewer than198180% of homes77% of homes

About 511 Main St

How much is 511 Main St, Sidney, IA worth?

The TopHap Estimate for 511 Main St, Sidney, IA is $422,343 as of Aug 30, 2026. The likely range is $343,825 to $500,861. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 511 Main St, Sidney, IA last sell?

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

How big is 511 Main St, Sidney, IA?

511 Main St, Sidney, IA has 4 bedrooms, 3.5 bathrooms, 2,399 square feet of living space and a 0.32-acre lot.

When was 511 Main St, Sidney, IA built?

511 Main St, Sidney, IA was built in 1981, making it 45 years old. The building has 1 story.

What schools serve 511 Main St, Sidney, IA?

511 Main St, Sidney, IA is assigned to Sidney Elementary School (elementary), rated A; Sidney High School (middle), rated C. All sit in Sidney Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 511 Main St, Sidney, IA compare to other homes in Sidney 51652?

Among the 765 homes in Sidney 51652, it is worth more than 94% of them ($422,343 against a typical $142,786), its price per square foot is higher than 84% of them ($176 against a typical $109), it is bigger than 92% of them (2,399 ft² against a typical 1,296 ft²), its lot is bigger than 37% of them (0.32 ac against a typical 0.52 ac) and it is newer than 80% of them (1981 against a typical 1956). Measured against all of Fremont County, it is worth more than 97% 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 511 Main St, Sidney, IA?

The 2025 property tax bill for 511 Main St, Sidney, IA was $5,016. The county assessed it at $317,730.

More homes on Main St

Closest homes

More homes in Sidney 51652

Assigned schools

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