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Single Family ResidenceResidential
$203,346$95 / 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 91How 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

503 E STATE ST

UNION, MO 63084
3
Beds
2
Baths
2,140 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.
1860
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

$203K
$186K low$221K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,991 (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.$33,819 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$33,505
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$177,990

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.49
10
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
43
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
80
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
68
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
47
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.1 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%

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
CountyFRANKLIN
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.Brick
FireplaceWhether the home has a fireplace, and what kind.Yes
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.Patio · 406 ft²

Transaction History(2)

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.

E
Central Elementary SchoolA-
Elementary · Grades KG–3 · 0.4 mi
M
Union Middle SchoolA-
Middle · Grades 7–8 · 0.5 mi
H
Union High SchoolB+
High · Grades 9–12 · 1.4 mi

District: Union R-Xi School District

Neighborhood · ZIP 63084These 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.107
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 100.99

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.14%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.20,185
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.264 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$71,520
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$83,433
Average tempThe average temperature here across a full year.55°F
Annual precipHow much rain and melted snow falls here in a typical year.42 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.57%

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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 E State 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 Union 63084
  • Among the lowest price per square foot in Union 63084
  • Bigger than 89% of homes in Union 63084
  • Among the oldest homes in Union 63084

What homes are worth in Union 63084

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

This home
$101K$630K

This home is worth more than 19% of homes in Union 63084.

How it measures up in Union 63084

The dot is this home. The mark in the middle is the typical home in Union 63084.

Estimated value$203,346
CheaperTypical $272,935Pricier

Pricier than 19% of homes nearby

Price per ft²$95
CheaperTypical $203Pricier

Cheaper than almost all homes nearby

Living area2,140 ft²
SmallerTypical 1,337 ft²Bigger

Bigger than 89% of homes nearby

Lot size0.4 ac
SmallerTypical 0.49 acBigger

Bigger than 50% of homes nearby

Year built1860
OlderTypical 1990Newer

Older than almost all homes nearby

How 503 E State St ranks against every home in each area.
MeasureThis homeUnion 63084Franklin County
Estimated valuepricier than$203,34619% of homes23% of homes
Price per ft²pricier than$95almost no homesalmost no homes
Living areabigger than2,140 ft²89% of homes86% of homes
Lot sizebigger than0.4 ac50% of homes43% of homes
Year builtnewer than1860almost no homesalmost no homes

About 503 E State St

How much is 503 E State St, Union, MO worth?

The TopHap Estimate for 503 E State St, Union, MO is $203,346 as of Oct 21, 2026. The likely range is $186,034 to $220,658. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 503 E State St, Union, MO last sell?

503 E State St, Union, MO last sold on Nov 3, 2026, according to the county's recorded deed.

How big is 503 E State St, Union, MO?

503 E State St, Union, MO has 3 bedrooms, 2 bathrooms, 2,140 square feet of living space and a 0.40-acre lot.

When was 503 E State St, Union, MO built?

503 E State St, Union, MO was built in 1860, making it 166 years old. The building has 1 story.

What schools serve 503 E State St, Union, MO?

503 E State St, Union, MO is assigned to Central Elementary School (elementary), rated A-; Union Middle School (middle), rated A-; Union High School (high), rated B+. All sit in Union R-Xi School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 503 E State St, Union, MO compare to other homes in Union 63084?

Among the 7,176 homes in Union 63084, it is worth more than 19% of them ($203,346 against a typical $272,935), its price per square foot is higher than almost none of them ($95 against a typical $203), it is bigger than 89% of them (2,140 ft² against a typical 1,337 ft²), its lot is bigger than 50% of them (0.4 ac against a typical 0.49 ac) and it is newer than almost none of them (1860 against a typical 1990). Measured against all of Franklin County, it is worth more than 23% 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 E State St, Union, MO?

The 2025 property tax bill for 503 E State St, Union, MO was $1,991. The county assessed it at $33,819.

More homes on E State St

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Assigned schools

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