Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$1,113,880$275 / 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 80How 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

45226 COUNTY ROUTE 100A

WELLESLEY ISLAND, NY 13640
3
Beds
3 / 1
Baths
4,047 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.
2.61 ac
Lot SizeThe size of the land the home sits on, from county records.
1989
Year BuiltThe year the home was originally built, according to county records.
3
StoriesHow many floors the home has above ground.
6
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.1M
$896K low$1.3M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$29,393 (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.$856,800 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$293,600
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$563,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$856,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,318,154

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.9 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Traditional/Old
CountyJefferson
Lot (acres)The size of the land the home sits on, from county records.2.61
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Raised (Unspecified)
HeatingThe type of heating system in the home.Hot Water
PoolWhether the property has a pool, and what kind, such as in-ground.In-Ground Vinyl Pool
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 845 ft²Boat access

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
Alexandria Central Elementary SchoolC-
Elementary · Grades PK–6 · 2.3 mi
M
Alexandria Central High SchoolB-
Middle · Grades 7–12 · 2.3 mi

District: Alexandria 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%

Owner Tools

Do you own this home?
Claim this home

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

45226 County Route 100a 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 97% of homes in Jefferson County
  • Among the largest homes in Jefferson County
  • Has a bigger lot than 90% of homes in Wellesley Island 13640
  • Newer than 75% 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
$136K$1.6M

This home is worth more than 96% 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$1,113,880
CheaperTypical $454,467Pricier

Pricier than 96% of homes nearby

Price per ft²$275
CheaperTypical $259Pricier

Pricier than 55% of homes nearby

Living area4,047 ft²
SmallerTypical 1,492 ft²Bigger

Bigger than 97% of homes nearby

Lot size2.61 ac
SmallerTypical 0.5 acBigger

Bigger than 90% of homes nearby

Year built1989
OlderTypical 1983Newer

Newer than 69% of homes nearby

How 45226 County Route 100a ranks against every home in each area.
MeasureThis homeWellesley Island 13640Jefferson County
Estimated valuepricier than$1,113,88096% of homesalmost all homes
Price per ft²pricier than$27555% of homes97% of homes
Living areabigger than4,047 ft²97% of homesalmost all homes
Lot sizebigger than2.61 ac90% of homes77% of homes
Year builtnewer than198969% of homes75% of homes

About 45226 County Route 100a

How much is 45226 County Route 100a, Wellesley Island, NY worth?

The TopHap Estimate for 45226 County Route 100a, Wellesley Island, NY is $1,113,880 as of Aug 30, 2026. The likely range is $896,091 to $1,331,669. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 45226 County Route 100a, Wellesley Island, NY?

45226 County Route 100a, Wellesley Island, NY has 3 bedrooms, 3 bathrooms, 4,047 square feet of living space and a 2.61-acre lot.

When was 45226 County Route 100a, Wellesley Island, NY built?

45226 County Route 100a, Wellesley Island, NY was built in 1989, making it 37 years old. It is a traditional/old home. The building has 3 stories.

What schools serve 45226 County Route 100a, Wellesley Island, NY?

45226 County Route 100a, Wellesley Island, NY is assigned to Alexandria Central Elementary School (elementary), rated C-; Alexandria Central High School (middle), rated B-. All sit in Alexandria Central School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 45226 County Route 100a, Wellesley Island, NY compare to other homes in Wellesley Island 13640?

Among the 795 homes in Wellesley Island 13640, it is worth more than 96% of them ($1,113,880 against a typical $454,467), its price per square foot is higher than 55% of them ($275 against a typical $259), it is bigger than 97% of them (4,047 ft² against a typical 1,492 ft²), its lot is bigger than 90% of them (2.61 ac against a typical 0.5 ac) and it is newer than 69% of them (1989 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.

What are the property taxes on 45226 County Route 100a, Wellesley Island, NY?

The 2024 property tax bill for 45226 County Route 100a, Wellesley Island, NY was $29,393. The county assessed it at $856,800.

More homes on County Route 100a

Closest homes

More homes in Wellesley Island 13640

Assigned schools

Explore the area

See this home in context

Open 45226 County Route 100a on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map