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Single Family ResidentialResidential
$88,735$85 / 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 88How 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

912 UNION ST

HANNIBAL, MO 63401
2
Beds
1
Baths
1,044 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.
0.3 ac
Lot SizeThe size of the land the home sits on, from county records.
1900
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

$89K
$78K low$99K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$784 (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.$12,120 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$2,040
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$10,080
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$11,020
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$63,780

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.50
80
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
15
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
78
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
76
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
1
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.72 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%

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 Residential
CountyMarion
Lot (acres)The size of the land the home sits on, from county records.0.30
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.Metal
HeatingThe type of heating system in the home.None
CoolingThe type of cooling or air conditioning in the home.None
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 170 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
A. D. Stowell Elementary SchoolA
Elementary · Grades KG–5 · 0.2 mi
H
Hannibal High SchoolC+
High · Grades 9–12 · 2.6 mi
M
Hannibal Middle SchoolC-
Middle · Grades 6–8 · 2.6 mi

District: Hannibal 60 School District

Neighborhood · ZIP 63401These 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.105
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.76
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.40

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.88%
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.12%
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.21,152
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.177 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$62,165
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$71,961
Average tempThe average temperature here across a full year.53°F
Annual precipHow much rain and melted snow falls here in a typical year.39 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.56%

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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

912 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 83% of homes in Marion County
  • Costs less per square foot than 76% of homes in Marion County
  • Smaller than 82% of homes in Marion County
  • Older than 85% of homes in Hannibal 63401

What homes are worth in Hannibal 63401

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

This home
$44K$537K

This home is worth more than 22% of homes in Hannibal 63401.

How it measures up in Hannibal 63401

The dot is this home. The mark in the middle is the typical home in Hannibal 63401.

Estimated value$88,735
CheaperTypical $171,025Pricier

Pricier than 22% of homes nearby

Price per ft²$85
CheaperTypical $127Pricier

Pricier than 29% of homes nearby

Living area1,044 ft²
SmallerTypical 1,464 ft²Bigger

Bigger than 20% of homes nearby

Lot size0.3 ac
SmallerTypical 0.3 acBigger

Bigger than 60% of homes nearby

Year built1900
OlderTypical 1957Newer

Newer than 15% of homes nearby

How 912 Union St ranks against every home in each area.
MeasureThis homeHannibal 63401Marion County
Estimated valuepricier than$88,73522% of homes17% of homes
Price per ft²pricier than$8529% of homes24% of homes
Living areabigger than1,044 ft²20% of homes18% of homes
Lot sizebigger than0.3 ac60% of homes53% of homes
Year builtnewer than190015% of homes15% of homes

About 912 Union St

How much is 912 Union St, Hannibal, MO worth?

The TopHap Estimate for 912 Union St, Hannibal, MO is $88,735 as of Aug 30, 2026. The likely range is $78,278 to $99,192. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 912 Union St, Hannibal, MO last sell?

912 Union St, Hannibal, MO last sold on Jan 4, 2021, according to the county's recorded deed.

How big is 912 Union St, Hannibal, MO?

912 Union St, Hannibal, MO has 2 bedrooms, 1 bathrooms, 1,044 square feet of living space and a 0.30-acre lot.

When was 912 Union St, Hannibal, MO built?

912 Union St, Hannibal, MO was built in 1900, making it 126 years old. The building has 1 story.

What schools serve 912 Union St, Hannibal, MO?

912 Union St, Hannibal, MO is assigned to A. D. Stowell Elementary School (elementary), rated A; Hannibal High School (high), rated C+; Hannibal Middle School (middle), rated C-. All sit in Hannibal 60 School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 912 Union St, Hannibal, MO compare to other homes in Hannibal 63401?

Among the 8,765 homes in Hannibal 63401, it is worth more than 22% of them ($88,735 against a typical $171,025), its price per square foot is higher than 29% of them ($85 against a typical $127), it is bigger than 20% of them (1,044 ft² against a typical 1,464 ft²), its lot is bigger than 60% of them (0.3 ac against a typical 0.3 ac) and it is newer than 15% of them (1900 against a typical 1957). Measured against all of Marion County, it is worth more than 17% 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 912 Union St, Hannibal, MO?

The 2025 property tax bill for 912 Union St, Hannibal, MO was $784. The county assessed it at $12,120.

More homes on Union St

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Assigned schools

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