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Single Family ResidenceResidential
$38,182$54 / 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 60How 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

503 COMMERCIAL ST

UNION, IA 50258
1
Beds
1
Baths
708 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.
0.15 ac
Lot SizeThe size of the land the home sits on, from county records.
1910
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
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

$38K
$23K low$53K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$332 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$26,670 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$2,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$24,270
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$20,570
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$26,670

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyHardin
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1948
Lot (acres)The size of the land the home sits on, from county records.0.15
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Stone (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Slate
HeatingThe type of heating system in the home.None
CoolingThe type of cooling or air conditioning in the home.None
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 160 ft²

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 · 0.1 mi
E
Bcluw Elementary SchoolA+
Elementary · Grades PK–4 · 10.1 mi
H
Bcluw High SchoolB
High · Grades 9–12 · 10.3 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

503 Commercial 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 97% of homes in Hardin County
  • Costs less per square foot than 82% of homes in Hardin County
  • Smaller than 98% of homes in Hardin County
  • Has a smaller lot than 97% of homes in Union 50258
  • Older than 72% 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 11% 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$38,182
CheaperTypical $85,748Pricier

Pricier than 11% of homes nearby

Price per ft²$54
CheaperTypical $58Pricier

Pricier than 42% of homes nearby

Living area708 ft²
SmallerTypical 1,372 ft²Bigger

Bigger than 3% of homes nearby

Lot size0.15 ac
SmallerTypical 0.45 acBigger

Bigger than 3% of homes nearby

Year built1910
OlderTypical 1947Newer

Newer than 28% of homes nearby

How 503 Commercial St ranks against every home in each area.
MeasureThis homeUnion 50258Hardin County
Estimated valuepricier than$38,18211% of homes3% of homes
Price per ft²pricier than$5442% of homes18% of homes
Living areabigger than708 ft²3% of homes2% of homes
Lot sizebigger than0.15 ac3% of homes9% of homes
Year builtnewer than191028% of homes28% of homes

About 503 Commercial St

How much is 503 Commercial St, Union, IA worth?

The TopHap Estimate for 503 Commercial St, Union, IA is $38,182 as of Aug 30, 2026. The likely range is $23,056 to $53,308. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 503 Commercial St, Union, IA last sell?

503 Commercial St, Union, IA last sold on Nov 6, 2006, according to the county's recorded deed.

How big is 503 Commercial St, Union, IA?

503 Commercial St, Union, IA has 1 bedrooms, 1 bathrooms, 708 square feet of living space and a 0.15-acre lot.

When was 503 Commercial St, Union, IA built?

503 Commercial St, Union, IA was built in 1910, making it 116 years old. The building has 1 story.

What schools serve 503 Commercial St, Union, IA?

503 Commercial 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 503 Commercial St, Union, IA compare to other homes in Union 50258?

Among the 392 homes in Union 50258, it is worth more than 11% of them ($38,182 against a typical $85,748), its price per square foot is higher than 42% of them ($54 against a typical $58), it is bigger than 3% of them (708 ft² against a typical 1,372 ft²), its lot is bigger than 3% of them (0.15 ac against a typical 0.45 ac) and it is newer than 28% of them (1910 against a typical 1947). Measured against all of Hardin County, it is worth more than 3% 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 503 Commercial St, Union, IA?

The 2024 property tax bill for 503 Commercial St, Union, IA was $332. The county assessed it at $26,670.

More homes on Commercial St

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Assigned schools

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