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Single Family ResidenceResidential
$99,575$65 / 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 Jul 14, 2026

517 COUNTY ROUTE 21

HANNIBAL, NY 13074
3
Beds
1
Baths
1,538 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.
0.55 ac
Lot SizeThe size of the land the home sits on, from county records.
1890
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$100K
$87K low$112K high
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$68,575
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$54,860
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.39%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$31,000
FULTON SAVINGS BANK · recorded Sep 26, 2017

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,792 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$56,100 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$15,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$41,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$56,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$90,484

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.38
10
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.
56
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
89
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
21
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.6 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

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
StyleThe architectural style of the home, such as ranch or colonial.Traditional/Old
CountyOswego
Lot (acres)The size of the land the home sits on, from county records.0.55
HeatingThe type of heating system in the home.Forced Air
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(1)

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
Fairley SchoolD-
Elementary · Grades PK–4 · 1.9 mi
M
Kenney Middle SchoolC+
Middle · Grades 5–8 · 2.0 mi
H
Hannibal High SchoolD-
High · Grades 9–12 · 2.4 mi

District: Hannibal Central School District

Neighborhood · ZIP 13074These 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.109
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.95
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.38

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.90%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.11%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.18%
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.4,724
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.109 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$70,439
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$82,243
Average tempThe average temperature here across a full year.47°F
Annual precipHow much rain and melted snow falls here in a typical year.41 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.46%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

517 County Route 21 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 88% of homes in Hannibal 13074
  • Costs less per square foot than 91% of homes in Oswego County
  • Has a smaller lot than 94% of homes in Hannibal 13074
  • Older than 87% of homes in Oswego County

What homes are worth in Hannibal 13074

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

This home
$59K$397K

This home is worth more than 12% of homes in Hannibal 13074.

How it measures up in Hannibal 13074

The dot is this home. The mark in the middle is the typical home in Hannibal 13074.

Estimated value$99,575
CheaperTypical $165,375Pricier

Pricier than 12% of homes nearby

Price per ft²$65
CheaperTypical $110Pricier

Pricier than 10% of homes nearby

Living area1,538 ft²
SmallerTypical 1,414 ft²Bigger

Bigger than 59% of homes nearby

Lot size0.55 ac
SmallerTypical 2.75 acBigger

Bigger than 6% of homes nearby

Year built1890
OlderTypical 1975Newer

Newer than 19% of homes nearby

How 517 County Route 21 ranks against every home in each area.
MeasureThis homeHannibal 13074Oswego County
Estimated valuepricier than$99,57512% of homes12% of homes
Price per ft²pricier than$6510% of homes9% of homes
Living areabigger than1,538 ft²59% of homes56% of homes
Lot sizebigger than0.55 ac6% of homes35% of homes
Year builtnewer than189019% of homes13% of homes

About 517 County Route 21

How much is 517 County Route 21, Hannibal, NY worth?

The TopHap Estimate for 517 County Route 21, Hannibal, NY is $99,575 as of Jul 14, 2026. The likely range is $87,252 to $111,898. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 517 County Route 21, Hannibal, NY?

517 County Route 21, Hannibal, NY has 3 bedrooms, 1 bathrooms, 1,538 square feet of living space and a 0.55-acre lot.

When was 517 County Route 21, Hannibal, NY built?

517 County Route 21, Hannibal, NY was built in 1890, making it 136 years old. It is a traditional/old home. The building has 2 stories.

What schools serve 517 County Route 21, Hannibal, NY?

517 County Route 21, Hannibal, NY is assigned to Fairley School (elementary), rated D-; Kenney Middle School (middle), rated C+; Hannibal High School (high), rated D-. All sit in Hannibal Central School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 517 County Route 21, Hannibal, NY compare to other homes in Hannibal 13074?

Among the 1,551 homes in Hannibal 13074, it is worth more than 12% of them ($99,575 against a typical $165,375), its price per square foot is higher than 10% of them ($65 against a typical $110), it is bigger than 59% of them (1,538 ft² against a typical 1,414 ft²), its lot is bigger than 6% of them (0.55 ac against a typical 2.75 ac) and it is newer than 19% of them (1890 against a typical 1975). Measured against all of Oswego County, it is worth more than 12% 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 517 County Route 21, Hannibal, NY?

The 2024 property tax bill for 517 County Route 21, Hannibal, NY was $2,792. The county assessed it at $56,100.

Closest homes

More homes in Hannibal 13074

Assigned schools

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