House Prices

House Prices & Home Values West Islip, NY 2026


Average Data

average house price$427,295
average size per house1897 ft²
average price per ft²226 $ / ft²

04/05/2026 - The value range (VR) for house prices in West Islip, NY is $364/ sqft to $364/ sqft. An average home with 1897 sqft costs approximately $690,508 to $690,508. West Islip, NY includes 1 ZIP codes and it is located in Suffolk county. The lowest prices are found in ZIP 11795, while the highest are in ZIP 11795. The average price per sqare feet is $226. Our analysis is based on 24 property listings.

Avergage prices by ZIP codes West Islip

11795334 $ / ft²


House prices by neighborhoods in West Islip

Captree Manor347 $ / ft²
Magoun Landing335 $ / ft²
Sequams Colony328 $ / ft²




Historical development of home values in West Islip

Year Estimated value (USD) Change vs. 2025
2010 $198,444 -53.6%
2011 $190,770 -55.4%
2012 $190,256 -55.5%
2013 $197,367 -53.8%
2014 $207,181 -51.5%
2015 $217,815 -49.0%
2016 $229,182 -46.4%
2017 $241,552 -43.5%
2018 $254,906 -40.3%
2019 $266,725 -37.6%
2020 $280,514 -34.4%
2021 $319,054 -25.3%
2022 $371,946 -13.0%
2023 $392,234 -8.2%
2024 $414,925 -2.9%
2025 $427,295 0.0%

Graph: estimated home values in West Islip over time (USD)



Example: 100% financing house in West Islip

Loan amount: $427,295

Interest rate: 6.00%

Fixed monthly payment: $2,561.85

Breakdown in the 1st month:
Interest portion: $2,136.48  –  Principal portion: $425.37

Yearly breakdown (100% financing)

Year Interest per year ($) Principal per year ($) Remaining balance at year-end ($)
1 $25,494.96 $5,247.23 $422,047.77
2 $25,171.32 $5,570.87 $416,476.90
3 $24,827.72 $5,914.47 $410,562.43
4 $24,462.93 $6,279.26 $404,283.17
5 $24,075.64 $6,666.55 $397,616.61
6 $23,664.46 $7,077.73 $390,538.88
7 $23,227.92 $7,514.27 $383,024.61
8 $22,764.46 $7,977.73 $375,046.88
9 $22,272.41 $8,469.78 $366,577.10
10 $21,750.01 $8,992.18 $357,584.92
11 $21,195.40 $9,546.80 $348,038.12
12 $20,606.57 $10,135.62 $337,902.50
13 $19,981.43 $10,760.77 $327,141.73
14 $19,317.73 $11,424.47 $315,717.26
15 $18,613.09 $12,129.10 $303,588.16
16 $17,864.99 $12,877.20 $290,710.96
17 $17,070.76 $13,671.44 $277,039.52
18 $16,227.53 $14,514.66 $262,524.86
19 $15,332.30 $15,409.89 $247,114.97
20 $14,381.85 $16,360.34 $230,754.62
21 $13,372.78 $17,369.41 $213,385.21
22 $12,301.47 $18,440.72 $194,944.49
23 $11,164.09 $19,578.10 $175,366.39
24 $9,956.55 $20,785.64 $154,580.75
25 $8,674.54 $22,067.65 $132,513.10
26 $7,313.46 $23,428.74 $109,084.36
27 $5,868.42 $24,873.77 $84,210.59
28 $4,334.26 $26,407.93 $57,802.67
29 $2,705.48 $28,036.71 $29,765.95
30 $976.24 $29,765.95 $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 West Islip, NY


1500 sqft3900 sqft
Ø selling price$410,191$872,587
Ø fast selling$372,901$785,328
Ø high price sale$447,481$959,845

In 2026, houses in West Islip, NY will be offered at an average price of $226 per square foot. A 1,500 sqft home priced at $410,191 is 21.09% more expensive per square foot than a 3,900 sqft home priced at $872,587. Home prices in West Islip, NY vary significantly depending on the neighborhood and location. For a quick sale, a 2,700 sqft home should be listed at around $604,098. Sellers who can wait longer may achieve a higher price of up to $738,343.


Discover West Islip, NY

Location & Lifestyle

West Islip, NY is a charming South Shore community on Long Island overlooking the Great South Bay. Known for quiet neighborhoods and convenient access to beaches and parks, the hamlet blends suburban comfort with coastal beauty.
Families and professionals value its strong civic spirit and small-town feel.

Schools & Healthcare

The acclaimed West Islip School District and nearby colleges provide excellent education options. Health care anchors the area with Good Samaritan University Hospital offering advanced services and local employment.
Recreation abounds at Belmont Lake State Park, Robert Moses State Park, and nearby marinas ideal for boating and fishing.

Transit & Access

Commuters appreciate proximity to the Babylon branch of the Long Island Rail Road and major roadways like Sunrise Highway and the Southern State Parkway.
This connectivity places West Islip within easy reach of New York City, Fire Island, and regional job centers.

Homes & Local Flavor

Real estate in West Islip ranges from classic Cape Cods to waterfront homes, with walkable shopping corridors along Montauk Highway and Udall Road.
Whether you are relocating, investing, or planning a coastal getaway, West Islip, NY offers a balanced lifestyle with strong community, coastal recreation, and year-round convenience.



FAQ – Home Values in West Islip

What is the median home value in West Islip in 2026?

In 2026, the typical home value in West Islip is about $427,295 for an average home size of 1897 square feet. This corresponds to an average price of roughly $226 per square foot.

What is the average cost per square foot in West Islip?

In 2026, homes in West Islip sell for an average of around $226 per square foot, with a typical range between $364 and $364 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 West Islip is about 1897 square feet, with an estimated 2026 value around $427,295.



Locations close to West Islip, NY

West Sayville, NY251 $ / ft²
Woodbury, NY451 $ / ft²
Wyandanch, NY187 $ / ft²
Wantagh, NY138 $ / ft²
Wading River, NY236 $ / ft²
Syosset, NY379 $ / ft²
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