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Single Family ResidentialResidential
$77,141$101 / 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 89How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026

512 WALNUT ST

HANNIBAL, MO 63401
2
Beds
1
Baths
764 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.
1,822 ft²
Lot SizeThe size of the land the home sits on, from county records.
1932
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.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$77K
$68K low$86K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$351 (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.$5,420 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$180
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$5,240
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$4,940
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$28,560

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.0.04
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
HeatingThe type of heating system in the home.None
CoolingThe type of cooling or air conditioning in the home.None
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 103 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 SchoolC
Elementary · Grades KG–5 · 0.1 mi
H
Hannibal High SchoolB+
High · Grades 9–12 · 2.4 mi
M
Hannibal Middle SchoolB+
Middle · Grades 6–8 · 2.5 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

512 Walnut 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 89% of homes in Marion County
  • Costs less per square foot than 70% of homes in Marion County
  • Smaller than 97% of homes in Hannibal 63401
  • Among the smallest lots in Hannibal 63401
  • Older than 65% of homes in Marion County

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
$47K$586K

This home is worth more than 14% 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$77,141
CheaperTypical $175,269Pricier

Pricier than 14% of homes nearby

Price per ft²$101
CheaperTypical $131Pricier

Pricier than 35% of homes nearby

Living area764 ft²
SmallerTypical 1,450 ft²Bigger

Bigger than 3% of homes nearby

Lot size1,822 ft²
SmallerTypical 0.3 acBigger

Smaller than almost all homes nearby

Year built1932
OlderTypical 1957Newer

Newer than 39% of homes nearby

How 512 Walnut St ranks against every home in each area.
MeasureThis homeHannibal 63401Marion County
Estimated valuepricier than$77,14114% of homes11% of homes
Price per ft²pricier than$10135% of homes30% of homes
Living areabigger than764 ft²3% of homes3% of homes
Lot sizebigger than1,822 ft²almost no homesalmost no homes
Year builtnewer than193239% of homes35% of homes

About 512 Walnut St

How much is 512 Walnut St, Hannibal, MO worth?

The TopHap Estimate for 512 Walnut St, Hannibal, MO is $77,141 as of Sep 24, 2026. The likely range is $68,336 to $85,946. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 512 Walnut St, Hannibal, MO last sell?

512 Walnut St, Hannibal, MO last sold on Jul 7, 2006, according to the county's recorded deed.

How big is 512 Walnut St, Hannibal, MO?

512 Walnut St, Hannibal, MO has 2 bedrooms, 1 bathrooms, 764 square feet of living space and a 0.04-acre lot.

When was 512 Walnut St, Hannibal, MO built?

512 Walnut St, Hannibal, MO was built in 1932, making it 94 years old. The building has 1 story.

What schools serve 512 Walnut St, Hannibal, MO?

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

How does 512 Walnut St, Hannibal, MO compare to other homes in Hannibal 63401?

Among the 8,765 homes in Hannibal 63401, it is worth more than 14% of them ($77,141 against a typical $175,269), its price per square foot is higher than 35% of them ($101 against a typical $131), it is bigger than 3% of them (764 ft² against a typical 1,450 ft²), its lot is bigger than almost none of them (1,822 ft² against a typical 0.3 ac) and it is newer than 39% of them (1932 against a typical 1957). Measured against all of Marion County, it is worth more than 11% 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 512 Walnut St, Hannibal, MO?

The 2025 property tax bill for 512 Walnut St, Hannibal, MO was $351. The county assessed it at $5,420.

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