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Single Family ResidentialResidential
$107,717$112 / 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 74How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026

505 UNION ST

DIAGONAL, IA 50845
3
Beds
1
Baths
960 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.
1.8 ac
Lot SizeThe size of the land the home sits on, from county records.
1974
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$108K
$79K low$136K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$764 (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.$76,885 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$10,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$66,685
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$80,104
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$76,885

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residential
CountyRINGGOLD
Lot (acres)The size of the land the home sits on, from county records.1.80
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

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

E
Diagonal Elementary SchoolB
Elementary · Grades PK–5 · 0.4 mi
M
Diagonal Junior-Senior High SchoolD-
Middle · Grades 6–12 · 0.4 mi

District: Diagonal Community School District

Neighborhood · ZIP 50845These 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.69
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.127
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.15

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.84%
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.6.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.672
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.6 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$74,084
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$92,413
Average tempThe average temperature here across a full year.51°F
Annual precipHow much rain and melted snow falls here in a typical year.36 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

505 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 69% of homes in Ringgold County
  • Costs less per square foot than 66% of homes in Ringgold County
  • Has a bigger lot than 65% of homes in Ringgold County
  • Newer than 66% of homes in Diagonal 50845

What homes are worth in Diagonal 50845

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

This home
$43K$331K

This home is worth more than 38% of homes in Diagonal 50845.

How it measures up in Diagonal 50845

The dot is this home. The mark in the middle is the typical home in Diagonal 50845.

Estimated value$107,717
CheaperTypical $122,625Pricier

Pricier than 38% of homes nearby

Price per ft²$112
CheaperTypical $122Pricier

Pricier than 42% of homes nearby

Living area960 ft²
SmallerTypical 963 ft²Bigger

Bigger than 50% of homes nearby

Lot size1.8 ac
SmallerTypical 4.5 acBigger

Bigger than 38% of homes nearby

Year built1974
OlderTypical 1930Newer

Newer than 66% of homes nearby

How 505 Union St ranks against every home in each area.
MeasureThis homeDiagonal 50845Ringgold County
Estimated valuepricier than$107,71738% of homes31% of homes
Price per ft²pricier than$11242% of homes34% of homes
Living areabigger than960 ft²50% of homes44% of homes
Lot sizebigger than1.8 ac38% of homes65% of homes
Year builtnewer than197466% of homes50% of homes

About 505 Union St

How much is 505 Union St, Diagonal, IA worth?

The TopHap Estimate for 505 Union St, Diagonal, IA is $107,717 as of Oct 21, 2026. The likely range is $79,461 to $135,973. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 505 Union St, Diagonal, IA last sell?

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

How big is 505 Union St, Diagonal, IA?

505 Union St, Diagonal, IA has 3 bedrooms, 1 bathrooms, 960 square feet of living space and a 1.80-acre lot.

When was 505 Union St, Diagonal, IA built?

505 Union St, Diagonal, IA was built in 1974, making it 52 years old. The building has 1 story.

What schools serve 505 Union St, Diagonal, IA?

505 Union St, Diagonal, IA is assigned to Diagonal Elementary School (elementary), rated B; Diagonal Junior-Senior High School (middle), rated D-. All sit in Diagonal Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 505 Union St, Diagonal, IA compare to other homes in Diagonal 50845?

Among the 378 homes in Diagonal 50845, it is worth more than 38% of them ($107,717 against a typical $122,625), its price per square foot is higher than 42% of them ($112 against a typical $122), it is bigger than 50% of them (960 ft² against a typical 963 ft²), its lot is bigger than 38% of them (1.8 ac against a typical 4.5 ac) and it is newer than 66% of them (1974 against a typical 1930). Measured against all of Ringgold County, it is worth more than 31% 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 505 Union St, Diagonal, IA?

The 2025 property tax bill for 505 Union St, Diagonal, IA was $764. The county assessed it at $76,885.

More homes on Union St

Closest homes

More homes in Diagonal 50845

Assigned schools

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