Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$35,683$45 / 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 52How 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 $7,000 on Jul 26, 2018

511 MAIN ST

UNION, IA 50258
2
Beds
1
Baths
800 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.
2,904 ft²
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.
4
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$36K
$19K low$53K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$7,000 · Jul 26, 2018

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.$19,600 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$1,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$18,500
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$14,850
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$19,600

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.1932
Lot (acres)The size of the land the home sits on, from county records.0.07
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.Metal
HeatingThe type of heating system in the home.Forced Air
CoolingThe type of cooling or air conditioning in the home.Central

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 · 0.2 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%

Owner Tools

Do you own this home?
Claim this home

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 less than 98% of homes in Hardin County
  • Costs less per square foot than 90% of homes in Hardin County
  • Smaller than 96% of homes in Hardin County
  • Among the smallest lots in Hardin County
  • 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 9% 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$35,683
CheaperTypical $85,748Pricier

Pricier than 9% of homes nearby

Price per ft²$45
CheaperTypical $58Pricier

Pricier than 22% of homes nearby

Living area800 ft²
SmallerTypical 1,380 ft²Bigger

Bigger than 7% of homes nearby

Lot size2,904 ft²
SmallerTypical 0.45 acBigger

Smaller than almost all homes nearby

Year built1910
OlderTypical 1947Newer

Newer than 28% of homes nearby

How 511 Main St ranks against every home in each area.
MeasureThis homeUnion 50258Hardin County
Estimated valuepricier than$35,6839% of homes2% of homes
Price per ft²pricier than$4522% of homes10% of homes
Living areabigger than800 ft²7% of homes4% of homes
Lot sizebigger than2,904 ft²almost no homesalmost no homes
Year builtnewer than191028% of homes28% of homes

About 511 Main St

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

The TopHap Estimate for 511 Main St, Union, IA is $35,683 as of Aug 30, 2026. The likely range is $18,730 to $52,636. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

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

511 Main St, Union, IA last sold on Jul 26, 2018 for $7,000, according to the county's recorded deed.

How big is 511 Main St, Union, IA?

511 Main St, Union, IA has 2 bedrooms, 1 bathrooms, 800 square feet of living space and a 0.07-acre lot.

When was 511 Main St, Union, IA built?

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

What schools serve 511 Main St, Union, IA?

511 Main 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 511 Main St, Union, IA compare to other homes in Union 50258?

Among the 392 homes in Union 50258, it is worth more than 9% of them ($35,683 against a typical $85,748), its price per square foot is higher than 22% of them ($45 against a typical $58), it is bigger than 7% of them (800 ft² against a typical 1,380 ft²), its lot is bigger than almost none of them (2,904 ft² 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 2% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

More homes on Main St

Closest homes

More homes in Union 50258

Assigned schools

Explore the area

See this home in context

Open 511 Main St on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map