House Prices

House Prices & Home Values Wellesley Island, NY 2026


Average Data

average house price$623,300
average size per house1707 ft²
average price per ft²366 $ / ft²

04/21/2026 - The value range (VR) for house prices in Wellesley Island, NY is $170/ sqft to $170/ sqft. An average home with 1707 sqft costs approximately $290,190 to $290,190. Wellesley Island, NY includes 1 ZIP codes and it is located in Jefferson county. The lowest prices are found in ZIP 13640, while the highest are in ZIP 13640. The average price per sqare feet is $366. Our analysis is based on 9 property listings.

Avergage prices by ZIP codes Wellesley Island

13640181 $ / ft²


House prices by neighborhoods in Wellesley Island

Fineview183 $ / ft²
Westminster Park159 $ / ft²




Historical development of home values in Wellesley Island

Year Estimated value (USD) Change vs. 2025
2010 $289,472 -53.6%
2011 $278,278 -55.4%
2012 $277,529 -55.5%
2013 $287,902 -53.8%
2014 $302,218 -51.5%
2015 $317,729 -49.0%
2016 $334,310 -46.4%
2017 $352,354 -43.5%
2018 $371,834 -40.3%
2019 $389,075 -37.6%
2020 $409,189 -34.4%
2021 $465,408 -25.3%
2022 $542,561 -13.0%
2023 $572,156 -8.2%
2024 $605,256 -2.9%
2025 $623,300 0.0%

Graph: estimated home values in Wellesley Island over time (USD)



Example: 100% financing house in Wellesley Island

Loan amount: $623,300

Interest rate: 6.00%

Fixed monthly payment: $3,737.00

Breakdown in the 1st month:
Interest portion: $3,116.50  –  Principal portion: $620.50

Yearly breakdown (100% financing)

Year Interest per year ($) Principal per year ($) Remaining balance at year-end ($)
1 $37,189.78 $7,654.20 $615,645.80
2 $36,717.69 $8,126.29 $607,519.51
3 $36,216.48 $8,627.50 $598,892.01
4 $35,684.35 $9,159.63 $589,732.38
5 $35,119.41 $9,724.57 $580,007.81
6 $34,519.62 $10,324.36 $569,683.44
7 $33,882.83 $10,961.15 $558,722.29
8 $33,206.77 $11,637.21 $547,085.08
9 $32,489.01 $12,354.97 $534,730.12
10 $31,726.99 $13,116.99 $521,613.12
11 $30,917.96 $13,926.02 $507,687.10
12 $30,059.03 $14,784.95 $492,902.16
13 $29,147.13 $15,696.85 $477,205.30
14 $28,178.98 $16,665.00 $460,540.31
15 $27,151.12 $17,692.86 $442,847.45
16 $26,059.87 $18,784.12 $424,063.33
17 $24,901.30 $19,942.68 $404,120.65
18 $23,671.28 $21,172.70 $382,947.95
19 $22,365.40 $22,478.59 $360,469.37
20 $20,978.97 $23,865.02 $336,604.35
21 $19,507.02 $25,336.96 $311,267.40
22 $17,944.30 $26,899.69 $284,367.71
23 $16,285.18 $28,558.80 $255,808.91
24 $14,523.74 $30,320.24 $225,488.67
25 $12,653.65 $32,190.33 $193,298.34
26 $10,668.22 $34,175.76 $159,122.58
27 $8,560.34 $36,283.64 $122,838.94
28 $6,322.44 $38,521.54 $84,317.40
29 $3,946.52 $40,897.46 $43,419.93
30 $1,424.05 $43,419.93 $0.00

Note: The calculation is based on a standard annuity mortgage with a fixed monthly payment over the entire term. Extra payments, interest rate changes, and additional purchase costs (e.g. taxes, notary fees) are not included.


How to sell in Wellesley Island, NY


1500 sqft3900 sqft
Ø selling price$664,290$1,413,126
Ø fast selling$603,900$1,271,814
Ø high price sale$724,681$1,554,439

In 2026, houses in Wellesley Island, NY will be offered at an average price of $366 per square foot. A 1,500 sqft home priced at $664,290 is 24.38% more expensive per square foot than a 3,900 sqft home priced at $1,413,126. Home prices in Wellesley Island, NY vary significantly depending on the neighborhood and location. For a quick sale, a 2,700 sqft home should be listed at around $978,319. Sellers who can wait longer may achieve a higher price of up to $1,195,722.

FAQ – Home Values in Wellesley Island

What is the median home value in Wellesley Island in 2026?

In 2026, the typical home value in Wellesley Island is about $623,300 for an average home size of 1707 square feet. This corresponds to an average price of roughly $366 per square foot.

What is the average cost per square foot in Wellesley Island?

In 2026, homes in Wellesley Island sell for an average of around $366 per square foot, with a typical range between $170 and $170 per square foot, depending on the property’s location, condition, and lot size.

What is the average home size in ?

The average home size in Wellesley Island is about 1707 square feet, with an estimated 2026 value around $623,300.



Locations close to Wellesley Island, NY

Fishers Landing, NY152 $ / ft²
Gouverneur, NY149 $ / ft²
Great Bend, NY160 $ / ft²
Fine, NY163 $ / ft²
Felts Mills, NY179 $ / ft²
Evans Mills, NY156 $ / ft²
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