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Single Family ResidenceResidential
$102,623$69 / 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 78How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026

104 UNION ST

AURORA, IA 50607
4
Beds
1.5
Baths
1,482 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.
1.86 ac
Lot SizeThe size of the land the home sits on, from county records.
1897
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.

Valuation

$103K
$80K low$125K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,020 (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.$67,970 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$6,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$61,570
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$59,430
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$67,970

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.A-Frame
CountyBUCHANAN
Lot (acres)The size of the land the home sits on, from county records.1.86
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
East Buchanan Elementary SchoolB-
Elementary · Grades PK–6 · 9.7 mi
M
East Buchanan Middle SchoolB-
Middle · Grades 7–8 · 9.7 mi
H
East Buchanan High SchoolC-
High · Grades 9–12 · 9.7 mi

District: East Buchanan Community School District

Neighborhood · ZIP 50607These 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.87
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.81
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.18

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.16%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.4%
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.515
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.13 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$70,006
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$89,020
Average tempThe average temperature here across a full year.46°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

104 Union 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 90% of homes in Buchanan County
  • Costs less per square foot than 93% of homes in Buchanan County
  • Has a bigger lot than 70% of homes in Buchanan County
  • Older than 88% of homes in Buchanan County

What homes are worth in Aurora 50607

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

This home
$41K$521K

This home is worth more than 22% of homes in Aurora 50607.

How it measures up in Aurora 50607

The dot is this home. The mark in the middle is the typical home in Aurora 50607.

Estimated value$102,623
CheaperTypical $146,470Pricier

Pricier than 22% of homes nearby

Price per ft²$69
CheaperTypical $95Pricier

Pricier than 30% of homes nearby

Living area1,482 ft²
SmallerTypical 1,575 ft²Bigger

Bigger than 44% of homes nearby

Lot size1.86 ac
SmallerTypical 2.25 acBigger

Bigger than 46% of homes nearby

Year built1897
OlderTypical 1931Newer

Newer than 15% of homes nearby

How 104 Union St ranks against every home in each area.
MeasureThis homeAurora 50607Buchanan County
Estimated valuepricier than$102,62322% of homes10% of homes
Price per ft²pricier than$6930% of homes7% of homes
Living areabigger than1,482 ft²44% of homes54% of homes
Lot sizebigger than1.86 ac46% of homes70% of homes
Year builtnewer than189715% of homes12% of homes

About 104 Union St

How much is 104 Union St, Aurora, IA worth?

The TopHap Estimate for 104 Union St, Aurora, IA is $102,623 as of Jul 14, 2026. The likely range is $80,484 to $124,762. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 104 Union St, Aurora, IA last sell?

104 Union St, Aurora, IA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 104 Union St, Aurora, IA?

104 Union St, Aurora, IA has 4 bedrooms, 1.5 bathrooms, 1,482 square feet of living space and a 1.86-acre lot.

When was 104 Union St, Aurora, IA built?

104 Union St, Aurora, IA was built in 1897, making it 129 years old. It is a a-frame home. The building has 1 story.

What schools serve 104 Union St, Aurora, IA?

104 Union St, Aurora, IA is assigned to East Buchanan Elementary School (elementary), rated B-; East Buchanan Middle School (middle), rated B-; East Buchanan High School (high), rated C-. All sit in East Buchanan Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 104 Union St, Aurora, IA compare to other homes in Aurora 50607?

Among the 216 homes in Aurora 50607, it is worth more than 22% of them ($102,623 against a typical $146,470), its price per square foot is higher than 30% of them ($69 against a typical $95), it is bigger than 44% of them (1,482 ft² against a typical 1,575 ft²), its lot is bigger than 46% of them (1.86 ac against a typical 2.25 ac) and it is newer than 15% of them (1897 against a typical 1931). Measured against all of Buchanan County, it is worth more than 10% 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 104 Union St, Aurora, IA?

The 2025 property tax bill for 104 Union St, Aurora, IA was $1,020. The county assessed it at $67,970.

More homes on Union St

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More homes in Aurora 50607

Assigned schools

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