House Prices

North Sea Harbor Southampton, NY House Prices & Home Values 2026


Average Data

average house price$3,857,292
average size per house3884 ft²
average price per ft²977 $ / ft²

04/04/2026 - The value range (VR) for house prices in North Sea Harbor Southampton, NY is $928.15/ sqft to $1025.85/ sqft. An average home with 3884 sqft costs approximately $3,543,651 to $3,916,667. Southampton, NY includes 1 ZIP codes and it is located in Suffolk county. The lowest prices are found in ZIP 11968, while the highest are in ZIP 11968. The average price per sqare feet is $977. Our analysis is based on 13 property listings.

Avergage prices by ZIP codes North Sea Harbor Southampton

11968838 $ / ft²




Historical development of home values in North Sea Harbor Southampton

Year Estimated value (USD) Change vs. 2025
2010 $1,791,396 -53.6%
2011 $1,722,123 -55.4%
2012 $1,717,486 -55.5%
2013 $1,781,681 -53.8%
2014 $1,870,274 -51.5%
2015 $1,966,263 -49.0%
2016 $2,068,877 -46.4%
2017 $2,180,542 -43.5%
2018 $2,301,095 -40.3%
2019 $2,407,792 -37.6%
2020 $2,532,264 -34.4%
2021 $2,880,177 -25.3%
2022 $3,357,640 -13.0%
2023 $3,540,787 -8.2%
2024 $3,745,626 -2.9%
2025 $3,857,292 0.0%

Graph: estimated home values in North Sea Harbor Southampton over time (USD)



Example: 100% financing house in North Sea Harbor Southampton

Loan amount: $3,857,292

Interest rate: 5.90%

Fixed monthly payment: $22,874.07

Breakdown in the 1st month:
Interest portion: $18,958.59  –  Principal portion: $3,915.48

Yearly breakdown (100% financing)

Year Interest per year ($) Principal per year ($) Remaining balance at year-end ($)
1 $226,211.90 $48,276.95 $3,809,015.05
2 $223,286.28 $51,202.57 $3,757,812.47
3 $220,183.36 $54,305.49 $3,703,506.99
4 $216,892.41 $57,596.45 $3,645,910.54
5 $213,402.01 $61,086.84 $3,584,823.71
6 $209,700.10 $64,788.75 $3,520,034.96
7 $205,773.86 $68,714.99 $3,451,319.97
8 $201,609.67 $72,879.18 $3,378,440.79
9 $197,193.14 $77,295.71 $3,301,145.07
10 $192,508.96 $81,979.89 $3,219,165.18
11 $187,540.91 $86,947.94 $3,132,217.24
12 $182,271.80 $92,217.05 $3,040,000.18
13 $176,683.37 $97,805.48 $2,942,194.70
14 $170,756.28 $103,732.57 $2,838,462.13
15 $164,470.00 $110,018.85 $2,728,443.29
16 $157,802.78 $116,686.07 $2,611,757.21
17 $150,731.51 $123,757.34 $2,487,999.87
18 $143,231.71 $131,257.14 $2,356,742.73
19 $135,277.43 $139,211.42 $2,217,531.31
20 $126,841.11 $147,647.74 $2,069,883.57
21 $117,893.54 $156,595.31 $1,913,288.26
22 $108,403.74 $166,085.11 $1,747,203.14
23 $98,338.85 $176,150.00 $1,571,053.14
24 $87,664.02 $186,824.83 $1,384,228.31
25 $76,342.29 $198,146.56 $1,186,081.75
26 $64,334.45 $210,154.40 $975,927.35
27 $51,598.93 $222,889.92 $753,037.42
28 $38,091.62 $236,397.23 $516,640.19
29 $23,765.76 $250,723.09 $265,917.10
30 $8,571.75 $265,917.10 $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 North Sea Harbor Southampton, NY


1500 sqft3900 sqft
Ø selling price$1,743,110$3,708,070
Ø fast selling$1,584,646$3,337,263
Ø high price sale$1,901,575$4,078,877

In 2026, houses in North Sea Harbor Southampton, NY will be offered at an average price of $977 per square foot. A 1,500 sqft home priced at $1,743,110 is 22.61% more expensive per square foot than a 3,900 sqft home priced at $3,708,070. Home prices in North Sea Harbor Southampton, NY vary significantly depending on the property’s condition and exact location. For a quick sale, a 2,700 sqft home should be listed at around $2,567,126. Sellers who can wait longer may achieve a higher price of up to $3,137,598.

FAQ – Home Values in North Sea Harbor Southampton

What is the median home value in North Sea Harbor Southampton in 2026?

In 2026, the typical home value in North Sea Harbor Southampton is about $3,857,292 for an average home size of 3884 square feet. This corresponds to an average price of roughly $977 per square foot.

What is the average cost per square foot in North Sea Harbor Southampton?

In 2026, homes in North Sea Harbor Southampton sell for an average of around $977 per square foot, with a typical range between $928.15 and $1025.85 per square foot, depending on the property’s location, condition, and lot size.

What is the average home size in North Sea Harbor?

The average home size in North Sea Harbor Southampton is about 3884 square feet, with an estimated 2026 value around $3,857,292.



Neighborhoods close to North Sea Harbor Southampton, NY

Miamogue Point South Jamesport, NY357 $ / ft²
Bayview Southold, NY325 $ / ft²
Wainscott South Wainscott, NY350 $ / ft²
Shelter Island Heights Historic District Shelter Island Heights, NY760 $ / ft²
The Center Shelter Island, NY514 $ / ft²
Sag Harbor Village Sag Harbor, NY1077 $ / ft²
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