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Rural ResidenceResidential
$289,388$162 / 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 92How 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

3841 COUNTY ROUTE 121

MANNSVILLE, NY 13661
3
Beds
2
Baths
1,790 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.
15 ac
Lot SizeThe size of the land the home sits on, from county records.
2004
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
4
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$289K
$266K low$313K high

Tax & Assessment

Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$231,200 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$31,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$200,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$231,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$312,432

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.180 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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.area not mapped

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Rural Residence
StyleThe architectural style of the home, such as ranch or colonial.Ranch
CountyJefferson
Lot (acres)The size of the land the home sits on, from county records.15.00
HeatingThe type of heating system in the home.Hot Water
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Mixed
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
Belleville Henderson Central SchoolC-
Elementary · Grades PK–12 · 4.5 mi

District: Belleville Henderson Central School District

Neighborhood · ZIP 13661These 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.100
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.102
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.48

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.57%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.15%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.1,867
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.37 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$84,706
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$94,319
Average tempThe average temperature here across a full year.45°F
Annual precipHow much rain and melted snow falls here in a typical year.47 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.46%

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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

3841 County Route 121 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 more than 83% of homes in Mannsville 13661
  • Costs more per square foot than 79% of homes in Mannsville 13661
  • Bigger than 68% of homes in Mannsville 13661
  • Has a bigger lot than 93% of homes in Jefferson County
  • Newer than 87% of homes in Mannsville 13661

What homes are worth in Mannsville 13661

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

This home
$76K$454K

This home is worth more than 83% of homes in Mannsville 13661.

How it measures up in Mannsville 13661

The dot is this home. The mark in the middle is the typical home in Mannsville 13661.

Estimated value$289,388
CheaperTypical $190,483Pricier

Pricier than 83% of homes nearby

Price per ft²$162
CheaperTypical $113Pricier

Pricier than 79% of homes nearby

Living area1,790 ft²
SmallerTypical 1,472 ft²Bigger

Bigger than 68% of homes nearby

Lot size15 ac
SmallerTypical 1.49 acBigger

Bigger than 86% of homes nearby

Year built2004
OlderTypical 1963Newer

Newer than 87% of homes nearby

How 3841 County Route 121 ranks against every home in each area.
MeasureThis homeMannsville 13661Jefferson County
Estimated valuepricier than$289,38883% of homes77% of homes
Price per ft²pricier than$16279% of homes72% of homes
Living areabigger than1,790 ft²68% of homes68% of homes
Lot sizebigger than15 ac86% of homes93% of homes
Year builtnewer than200487% of homes87% of homes

About 3841 County Route 121

How much is 3841 County Route 121, Mannsville, NY worth?

The TopHap Estimate for 3841 County Route 121, Mannsville, NY is $289,388 as of Aug 30, 2026. The likely range is $266,049 to $312,727. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 3841 County Route 121, Mannsville, NY?

3841 County Route 121, Mannsville, NY has 3 bedrooms, 2 bathrooms, 1,790 square feet of living space and a 15.00-acre lot.

When was 3841 County Route 121, Mannsville, NY built?

3841 County Route 121, Mannsville, NY was built in 2004, making it 22 years old. It is a ranch home. The building has 1 story.

What schools serve 3841 County Route 121, Mannsville, NY?

3841 County Route 121, Mannsville, NY is assigned to Belleville Henderson Central School (elementary), rated C-. All sit in Belleville Henderson Central School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3841 County Route 121, Mannsville, NY compare to other homes in Mannsville 13661?

Among the 873 homes in Mannsville 13661, it is worth more than 83% of them ($289,388 against a typical $190,483), its price per square foot is higher than 79% of them ($162 against a typical $113), it is bigger than 68% of them (1,790 ft² against a typical 1,472 ft²), its lot is bigger than 86% of them (15 ac against a typical 1.49 ac) and it is newer than 87% of them (2004 against a typical 1963). Measured against all of Jefferson County, it is worth more than 77% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

More homes on County Route 121

Closest homes

More homes in Mannsville 13661

Assigned schools

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