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Single Family ResidenceResidential
$446,356$306 / 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 91How 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 $340,000 on Jun 2, 2022

491 PROSPECT ST SW

LE MARS, IA 51031
3
Beds
2.5
Baths
1,458 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.
0.19 ac
Lot SizeThe size of the land the home sits on, from county records.
2019
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

$446K
$408K low$485K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$340,000 · Jun 2, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,576 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$372,690 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$38,880
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$333,810
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$372,690
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$372,690

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.43
41
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
37
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
64
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
45
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
32
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.9 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%

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
CountyPLYMOUTH
Lot (acres)The size of the land the home sits on, from county records.0.19
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.Concrete
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.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.Patio · 192 ft²Porch · 64 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
Le Mars Middle SchoolB
Middle · Grades 6–8 · 0.3 mi
H
Le Mars High SchoolB-
High · Grades 9–12 · 0.4 mi
E
Kluckhohn Elementary SchoolB-
Elementary · Grades KG–5 · 0.4 mi

District: Le Mars Community School District

Neighborhood · ZIP 51031These 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.124
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.86
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.21

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.20%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.7%
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.13,284
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.60 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$79,876
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$97,377
Average tempThe average temperature here across a full year.47°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

491 Prospect St Sw 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 88% of homes in Le Mars 51031
  • Costs more per square foot than 93% of homes in Le Mars 51031
  • Has a smaller lot than 82% of homes in Plymouth County
  • Newer than 98% of homes in Plymouth County

What homes are worth in Le Mars 51031

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

This home
$81K$657K

This home is worth more than 88% of homes in Le Mars 51031.

How it measures up in Le Mars 51031

The dot is this home. The mark in the middle is the typical home in Le Mars 51031.

Estimated value$446,356
CheaperTypical $256,536Pricier

Pricier than 88% of homes nearby

Price per ft²$306
CheaperTypical $177Pricier

Pricier than 93% of homes nearby

Living area1,458 ft²
SmallerTypical 1,502 ft²Bigger

Bigger than 47% of homes nearby

Lot size0.19 ac
SmallerTypical 0.24 acBigger

Bigger than 23% of homes nearby

Year built2019
OlderTypical 1963Newer

Newer than 97% of homes nearby

How 491 Prospect St Sw ranks against every home in each area.
MeasureThis homeLe Mars 51031Plymouth County
Estimated valuepricier than$446,35688% of homes84% of homes
Price per ft²pricier than$30693% of homes91% of homes
Living areabigger than1,458 ft²47% of homes44% of homes
Lot sizebigger than0.19 ac23% of homes18% of homes
Year builtnewer than201997% of homes98% of homes

About 491 Prospect St Sw

How much is 491 Prospect St Sw, Le Mars, IA worth?

The TopHap Estimate for 491 Prospect St Sw, Le Mars, IA is $446,356 as of Sep 24, 2026. The likely range is $407,905 to $484,807. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 491 Prospect St Sw, Le Mars, IA last sell?

491 Prospect St Sw, Le Mars, IA last sold on Jun 2, 2022 for $340,000, according to the county's recorded deed.

How big is 491 Prospect St Sw, Le Mars, IA?

491 Prospect St Sw, Le Mars, IA has 3 bedrooms, 2.5 bathrooms, 1,458 square feet of living space and a 0.19-acre lot.

When was 491 Prospect St Sw, Le Mars, IA built?

491 Prospect St Sw, Le Mars, IA was built in 2019, making it 7 years old. The building has 1 story.

What schools serve 491 Prospect St Sw, Le Mars, IA?

491 Prospect St Sw, Le Mars, IA is assigned to Le Mars Middle School (middle), rated B; Le Mars High School (high), rated B-; Kluckhohn Elementary School (elementary), rated B-. All sit in Le Mars Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 491 Prospect St Sw, Le Mars, IA compare to other homes in Le Mars 51031?

Among the 4,583 homes in Le Mars 51031, it is worth more than 88% of them ($446,356 against a typical $256,536), its price per square foot is higher than 93% of them ($306 against a typical $177), it is bigger than 47% of them (1,458 ft² against a typical 1,502 ft²), its lot is bigger than 23% of them (0.19 ac against a typical 0.24 ac) and it is newer than 97% of them (2019 against a typical 1963). Measured against all of Plymouth County, it is worth more than 84% 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 491 Prospect St Sw, Le Mars, IA?

The 2026 property tax bill for 491 Prospect St Sw, Le Mars, IA was $4,576. The county assessed it at $372,690.

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