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Single Family ResidenceResidential
$70,446$48 / 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 90How 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
Last sold for $70,000 on Apr 22, 2026

402 1ST ST

UNION, IA 50258
3
Beds
1
Baths
1,476 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.
0.4 ac
Lot SizeThe size of the land the home sits on, from county records.
1885
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$70K
$63K low$78K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$70,000 · Apr 22, 2026

Tax & Assessment

Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$45,670 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$3,960
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$41,710
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$35,180
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$45,670

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.44 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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.1 percent flood zone

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
CountyHARDIN
Lot (acres)The size of the land the home sits on, from county records.0.40
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.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.None
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 · 72 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
Bcluw Middle SchoolA
Middle · Grades 5–8 · 0.4 mi
E
Bcluw Elementary SchoolA+
Elementary · Grades PK–4 · 9.9 mi
H
Bcluw High SchoolB
High · Grades 9–12 · 10.1 mi

District: Bcluw Community School District

Neighborhood · ZIP 50258These 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.114
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.79
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.12

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.86%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.18%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.1%
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.839
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.16 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$74,112
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$87,291
Average tempThe average temperature here across a full year.48°F
Annual precipHow much rain and melted snow falls here in a typical year.35 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

402 1st 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 81% of homes in Hardin County
  • Costs less per square foot than 87% of homes in Hardin County
  • Older than 98% of homes in Union 50258

What homes are worth in Union 50258

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

This home
$24K$263K

This home is worth more than 39% of homes in Union 50258.

How it measures up in Union 50258

The dot is this home. The mark in the middle is the typical home in Union 50258.

Estimated value$70,446
CheaperTypical $85,743Pricier

Pricier than 39% of homes nearby

Price per ft²$48
CheaperTypical $58Pricier

Pricier than 30% of homes nearby

Living area1,476 ft²
SmallerTypical 1,380 ft²Bigger

Bigger than 54% of homes nearby

Lot size0.4 ac
SmallerTypical 0.45 acBigger

Bigger than 46% of homes nearby

Year built1885
OlderTypical 1947Newer

Newer than 2% of homes nearby

How 402 1st St ranks against every home in each area.
MeasureThis homeUnion 50258Hardin County
Estimated valuepricier than$70,44639% of homes19% of homes
Price per ft²pricier than$4830% of homes13% of homes
Living areabigger than1,476 ft²54% of homes52% of homes
Lot sizebigger than0.4 ac46% of homes61% of homes
Year builtnewer than18852% of homes4% of homes

About 402 1st St

How much is 402 1st St, Union, IA worth?

The TopHap Estimate for 402 1st St, Union, IA is $70,446 as of Aug 30, 2026. The likely range is $63,087 to $77,805. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 402 1st St, Union, IA last sell?

402 1st St, Union, IA last sold on Apr 22, 2026 for $70,000, according to the county's recorded deed.

How big is 402 1st St, Union, IA?

402 1st St, Union, IA has 3 bedrooms, 1 bathrooms, 1,476 square feet of living space and a 0.40-acre lot.

When was 402 1st St, Union, IA built?

402 1st St, Union, IA was built in 1885, making it 141 years old. The building has 2 stories.

What schools serve 402 1st St, Union, IA?

402 1st St, Union, IA is assigned to Bcluw Middle School (middle), rated A; Bcluw Elementary School (elementary), rated A+; Bcluw High School (high), rated B. All sit in Bcluw Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 402 1st St, Union, IA compare to other homes in Union 50258?

Among the 392 homes in Union 50258, it is worth more than 39% of them ($70,446 against a typical $85,743), its price per square foot is higher than 30% of them ($48 against a typical $58), it is bigger than 54% of them (1,476 ft² against a typical 1,380 ft²), its lot is bigger than 46% of them (0.4 ac against a typical 0.45 ac) and it is newer than 2% of them (1885 against a typical 1947). Measured against all of Hardin County, it is worth more than 19% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

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Assigned schools

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