House Prices

Harbor Isle Island Park, NY House Prices & Home Values 2026


Average Data

average house price$576,775
average size per house1681 ft²
average price per ft²315 $ / ft²

06/24/2026 - The value range (VR) for house prices in Harbor Isle Island Park, NY is $299.25/ sqft to $330.75/ sqft. An average home with 1681 sqft costs approximately $460,281 to $508,732. Island Park, NY includes 1 ZIP codes and it is located in Nassau county. The lowest prices are found in ZIP 11558, while the highest are in ZIP 11558. The average price per sqare feet is $315. Our analysis is based on 11 property listings.

Avergage prices by ZIP codes Harbor Isle Island Park

11558336 $ / ft²




Historical development of home values in Harbor Isle Island Park

Year Estimated value (USD) Change vs. 2025
2010 $267,865 -53.6%
2011 $257,506 -55.4%
2012 $256,813 -55.5%
2013 $266,412 -53.8%
2014 $279,659 -51.5%
2015 $294,012 -49.0%
2016 $309,356 -46.4%
2017 $326,053 -43.5%
2018 $344,079 -40.3%
2019 $360,034 -37.6%
2020 $378,646 -34.4%
2021 $430,668 -25.3%
2022 $502,063 -13.0%
2023 $529,448 -8.2%
2024 $560,078 -2.9%
2025 $576,775 0.0%

Graph: estimated home values in Harbor Isle Island Park over time (USD)



Example: 100% financing house in Harbor Isle Island Park

Loan amount: $576,775

Interest rate: 5.49%

Fixed monthly payment: $3,271.25

Breakdown in the 1st month:
Interest portion: $2,638.75  –  Principal portion: $632.50

Yearly breakdown (100% financing)

Year Interest per year ($) Principal per year ($) Remaining balance at year-end ($)
1 $31,471.02 $7,783.94 $568,991.06
2 $31,032.76 $8,222.20 $560,768.85
3 $30,569.83 $8,685.13 $552,083.72
4 $30,080.83 $9,174.13 $542,909.59
5 $29,564.31 $9,690.66 $533,218.93
6 $29,018.70 $10,236.27 $522,982.66
7 $28,442.37 $10,812.60 $512,170.06
8 $27,833.59 $11,421.38 $500,748.68
9 $27,190.53 $12,064.43 $488,684.25
10 $26,511.27 $12,743.69 $475,940.56
11 $25,793.77 $13,461.20 $462,479.36
12 $25,035.87 $14,219.10 $448,260.26
13 $24,235.29 $15,019.67 $433,240.59
14 $23,389.65 $15,865.32 $417,375.27
15 $22,496.38 $16,758.58 $400,616.69
16 $21,552.83 $17,702.13 $382,914.55
17 $20,556.15 $18,698.81 $364,215.74
18 $19,503.36 $19,751.61 $344,464.13
19 $18,391.29 $20,863.68 $323,600.46
20 $17,216.61 $22,038.36 $301,562.10
21 $15,975.79 $23,279.18 $278,282.92
22 $14,665.11 $24,589.86 $253,693.07
23 $13,280.63 $25,974.33 $227,718.73
24 $11,818.21 $27,436.76 $200,281.98
25 $10,273.44 $28,981.52 $171,300.45
26 $8,641.71 $30,613.26 $140,687.20
27 $6,918.10 $32,336.87 $108,350.33
28 $5,097.44 $34,157.52 $74,192.81
29 $3,174.28 $36,080.68 $38,112.12
30 $1,142.84 $38,112.12 $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 Harbor Isle Island Park, NY


1500 sqft3900 sqft
Ø selling price$523,129$1,112,837
Ø fast selling$475,572$1,001,554
Ø high price sale$570,686$1,224,121

In 2026, houses in Harbor Isle Island Park, NY will be offered at an average price of $315 per square foot. A 1,500 sqft home priced at $523,129 is 21.05% more expensive per square foot than a 3,900 sqft home priced at $1,112,837. Home prices in Harbor Isle Island Park, 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 $770,426. Sellers who can wait longer may achieve a higher price of up to $941,632.

FAQ – Home Values in Harbor Isle Island Park

What is the median home value in Harbor Isle Island Park in 2026?

In 2026, the typical home value in Harbor Isle Island Park is about $576,775 for an average home size of 1681 square feet. This corresponds to an average price of roughly $315 per square foot.

What is the average cost per square foot in Harbor Isle Island Park?

In 2026, homes in Harbor Isle Island Park sell for an average of around $315 per square foot, with a typical range between $299.25 and $330.75 per square foot, depending on the property’s location, condition, and lot size.

What is the average home size in Harbor Isle?

The average home size in Harbor Isle Island Park is about 1681 square feet, with an estimated 2026 value around $576,775.



Neighborhoods close to Harbor Isle Island Park, NY

Back Lawrence Lawrence, NY494 $ / ft²
Locust Valley Locust Valley, NY371 $ / ft²
West End Long Beach, NY414 $ / ft²
Hewlett Hewlett, NY553 $ / ft²
Barnum Woods East Meadow, NY416 $ / ft²
New Malverne West Hempstead, NY299 $ / ft²
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