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Single Family ResidenceResidential
$997,787$222 / 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 57How 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

43000 COUNTY ROUTE 100

WELLESLEY ISLAND, NY 13640
5
Beds
4 / 1
Baths
4,500 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.
0.71 ac
Lot SizeThe size of the land the home sits on, from county records.
2015
Year BuiltThe year the home was originally built, according to county records.
3
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$998K
$568K low$1.4M 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.$1,270,000 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$309,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$961,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,270,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,548,780

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.Contemporary
CountyJefferson
Lot (acres)The size of the land the home sits on, from county records.0.71
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Mat/Raft Foundation (Slab)
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.Garage, Detached
PoolWhether the property has a pool, and what kind, such as in-ground.Spa/Hot Tub (Only)
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.ElevatorPorch · 980 ft²

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
La Fargeville Central SchoolB
Elementary · Grades PK–12 · 7.0 mi

District: La Fargeville Central School District

Neighborhood · ZIP 13640These 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.193
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.93
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.68

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.20%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.29%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.7%
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.515
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.29 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$87,062
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$128,564
Average tempThe average temperature here across a full year.44°F
Annual precipHow much rain and melted snow falls here in a typical year.38 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

43000 County Route 100 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.

  • Among the most valuable homes in Jefferson County
  • Costs more per square foot than 90% of homes in Jefferson County
  • Among the largest homes in Jefferson County
  • Newer than 96% of homes in Jefferson County

What homes are worth in Wellesley Island 13640

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

This home
$140K$1.5M

This home is worth more than 93% of homes in Wellesley Island 13640.

How it measures up in Wellesley Island 13640

The dot is this home. The mark in the middle is the typical home in Wellesley Island 13640.

Estimated value$997,787
CheaperTypical $499,227Pricier

Pricier than 93% of homes nearby

Price per ft²$222
CheaperTypical $281Pricier

Pricier than 30% of homes nearby

Living area4,500 ft²
SmallerTypical 1,492 ft²Bigger

Bigger than 98% of homes nearby

Lot size0.71 ac
SmallerTypical 0.5 acBigger

Bigger than 62% of homes nearby

Year built2015
OlderTypical 1983Newer

Newer than 94% of homes nearby

How 43000 County Route 100 ranks against every home in each area.
MeasureThis homeWellesley Island 13640Jefferson County
Estimated valuepricier than$997,78793% of homesalmost all homes
Price per ft²pricier than$22230% of homes90% of homes
Living areabigger than4,500 ft²98% of homesalmost all homes
Lot sizebigger than0.71 ac62% of homes54% of homes
Year builtnewer than201594% of homes96% of homes

About 43000 County Route 100

How much is 43000 County Route 100, Wellesley Island, NY worth?

The TopHap Estimate for 43000 County Route 100, Wellesley Island, NY is $997,787 as of Sep 24, 2026. The likely range is $567,828 to $1,427,746. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 43000 County Route 100, Wellesley Island, NY?

43000 County Route 100, Wellesley Island, NY has 5 bedrooms, 4 bathrooms, 4,500 square feet of living space and a 0.71-acre lot.

When was 43000 County Route 100, Wellesley Island, NY built?

43000 County Route 100, Wellesley Island, NY was built in 2015, making it 11 years old. It is a contemporary home. The building has 3 stories.

What schools serve 43000 County Route 100, Wellesley Island, NY?

43000 County Route 100, Wellesley Island, NY is assigned to La Fargeville Central School (elementary), rated B. All sit in La Fargeville Central School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 43000 County Route 100, Wellesley Island, NY compare to other homes in Wellesley Island 13640?

Among the 795 homes in Wellesley Island 13640, it is worth more than 93% of them ($997,787 against a typical $499,227), its price per square foot is higher than 30% of them ($222 against a typical $281), it is bigger than 98% of them (4,500 ft² against a typical 1,492 ft²), its lot is bigger than 62% of them (0.71 ac against a typical 0.5 ac) and it is newer than 94% of them (2015 against a typical 1983). Measured against all of Jefferson County, it is worth more than almost all 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 100

Closest homes

More homes in Wellesley Island 13640

Assigned schools

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