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Single Family ResidenceResidential
$235,082$214 / 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 89How 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 $230,000 on Apr 1, 2026

518 NORTH ST

UNDERWOOD, IA 51576
2
Beds
2
Baths
1,096 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.
0.51 ac
Lot SizeThe size of the land the home sits on, from county records.
1966
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.

Valuation

$235K
$209K low$261K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$230,000 · Apr 1, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,318 (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.$243,200 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$44,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$199,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$199,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$243,200

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.35
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
27
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.
54
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
20
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

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
CountyPOTTAWATTAMIE
Lot (acres)The size of the land the home sits on, from county records.0.51
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
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 · 48 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.

H
Underwood High SchoolA+
High · Grades 9–12 · 0.3 mi
E
Underwood Elementary SchoolA
Elementary · Grades PK–5 · 0.4 mi
M
Underwood Middle SchoolA
Middle · Grades 6–8 · 0.4 mi

District: Underwood Community School District

Neighborhood · ZIP 51576These 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.54
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.96
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.22

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.23%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.7%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.1,374
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.28 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$101,849
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$115,930
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.33 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

518 North 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 88% of homes in Underwood 51576
  • Costs less per square foot than 83% of homes in Underwood 51576
  • Smaller than 78% of homes in Underwood 51576
  • Has a bigger lot than 75% of homes in Pottawattamie County
  • Older than 66% of homes in Underwood 51576

What homes are worth in Underwood 51576

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

This home
$125K$751K

This home is worth more than 12% of homes in Underwood 51576.

How it measures up in Underwood 51576

The dot is this home. The mark in the middle is the typical home in Underwood 51576.

Estimated value$235,082
CheaperTypical $388,595Pricier

Pricier than 12% of homes nearby

Price per ft²$214
CheaperTypical $276Pricier

Pricier than 17% of homes nearby

Living area1,096 ft²
SmallerTypical 1,459 ft²Bigger

Bigger than 22% of homes nearby

Lot size0.51 ac
SmallerTypical 1.02 acBigger

Bigger than 42% of homes nearby

Year built1966
OlderTypical 1986Newer

Newer than 34% of homes nearby

How 518 North St ranks against every home in each area.
MeasureThis homeUnderwood 51576Pottawattamie County
Estimated valuepricier than$235,08212% of homes51% of homes
Price per ft²pricier than$21417% of homes46% of homes
Living areabigger than1,096 ft²22% of homes50% of homes
Lot sizebigger than0.51 ac42% of homes75% of homes
Year builtnewer than196634% of homes60% of homes

About 518 North St

How much is 518 North St, Underwood, IA worth?

The TopHap Estimate for 518 North St, Underwood, IA is $235,082 as of Sep 24, 2026. The likely range is $209,062 to $261,102. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 518 North St, Underwood, IA last sell?

518 North St, Underwood, IA last sold on Apr 1, 2026 for $230,000, according to the county's recorded deed.

How big is 518 North St, Underwood, IA?

518 North St, Underwood, IA has 2 bedrooms, 2 bathrooms, 1,096 square feet of living space and a 0.51-acre lot.

When was 518 North St, Underwood, IA built?

518 North St, Underwood, IA was built in 1966, making it 60 years old. The building has 1 story.

What schools serve 518 North St, Underwood, IA?

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

How does 518 North St, Underwood, IA compare to other homes in Underwood 51576?

Among the 807 homes in Underwood 51576, it is worth more than 12% of them ($235,082 against a typical $388,595), its price per square foot is higher than 17% of them ($214 against a typical $276), it is bigger than 22% of them (1,096 ft² against a typical 1,459 ft²), its lot is bigger than 42% of them (0.51 ac against a typical 1.02 ac) and it is newer than 34% of them (1966 against a typical 1986). Measured against all of Pottawattamie County, it is worth more than 51% 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 518 North St, Underwood, IA?

The 2025 property tax bill for 518 North St, Underwood, IA was $3,318. The county assessed it at $243,200.

More homes on North St

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