House Prices

House Prices & Home Values Seaford, NY 2026


Average Data

average house price$681,659
average size per house1968 ft²
average price per ft²347 $ / ft²

06/24/2026 - The value range (VR) for house prices in Seaford, NY is $316/ sqft to $316/ sqft. An average home with 1968 sqft costs approximately $621,888 to $621,888. Seaford, NY includes 1 ZIP codes and it is located in Nassau county. The lowest prices are found in ZIP 11783, while the highest are in ZIP 11783. The average price per sqare feet is $347. Our analysis is based on 30 property listings.

Avergage prices by ZIP codes Seaford

11783331 $ / ft²


House prices by neighborhoods in Seaford

Seaford Harbor305 $ / ft²
Seaford Manor314 $ / ft²




Historical development of home values in Seaford

Year Estimated value (USD) Change vs. 2025
2010 $316,575 -53.6%
2011 $304,333 -55.4%
2012 $303,513 -55.5%
2013 $314,858 -53.8%
2014 $330,514 -51.5%
2015 $347,477 -49.0%
2016 $365,611 -46.4%
2017 $385,344 -43.5%
2018 $406,648 -40.3%
2019 $425,504 -37.6%
2020 $447,501 -34.4%
2021 $508,984 -25.3%
2022 $593,361 -13.0%
2023 $625,726 -8.2%
2024 $661,926 -2.9%
2025 $681,659 0.0%

Graph: estimated home values in Seaford over time (USD)



Example: 100% financing house in Seaford

Loan amount: $681,659

Interest rate: 6.00%

Fixed monthly payment: $4,086.89

Breakdown in the 1st month:
Interest portion: $3,408.30  –  Principal portion: $678.60

Yearly breakdown (100% financing)

Year Interest per year ($) Principal per year ($) Remaining balance at year-end ($)
1 $40,671.83 $8,370.85 $673,288.15
2 $40,155.53 $8,887.15 $664,401.00
3 $39,607.39 $9,435.29 $654,965.71
4 $39,025.45 $10,017.24 $644,948.48
5 $38,407.60 $10,635.08 $634,313.40
6 $37,751.66 $11,291.03 $623,022.37
7 $37,055.25 $11,987.43 $611,034.94
8 $36,315.89 $12,726.79 $598,308.15
9 $35,530.93 $13,511.75 $584,796.40
10 $34,697.56 $14,345.13 $570,451.28
11 $33,812.78 $15,229.90 $555,221.37
12 $32,873.43 $16,169.25 $539,052.13
13 $31,876.15 $17,166.53 $521,885.59
14 $30,817.35 $18,225.33 $503,660.27
15 $29,693.26 $19,349.42 $484,310.84
16 $28,499.83 $20,542.85 $463,767.99
17 $27,232.79 $21,809.89 $441,958.09
18 $25,887.60 $23,155.08 $418,803.01
19 $24,459.45 $24,583.23 $394,219.78
20 $22,943.21 $26,099.47 $368,120.31
21 $21,333.45 $27,709.23 $340,411.07
22 $19,624.40 $29,418.28 $310,992.80
23 $17,809.95 $31,232.73 $279,760.06
24 $15,883.58 $33,159.10 $246,600.96
25 $13,838.40 $35,204.28 $211,396.68
26 $11,667.08 $37,375.60 $174,021.08
27 $9,361.83 $39,680.85 $134,340.23
28 $6,914.40 $42,128.28 $92,211.95
29 $4,316.03 $44,726.66 $47,485.30
30 $1,557.38 $47,485.30 $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 Seaford, NY


1500 sqft3900 sqft
Ø selling price$629,805$1,339,767
Ø fast selling$572,550$1,205,791
Ø high price sale$687,060$1,473,744

In 2026, houses in Seaford, NY will be offered at an average price of $347 per square foot. A 1,500 sqft home priced at $629,805 is 24.06% more expensive per square foot than a 3,900 sqft home priced at $1,339,767. Home prices in Seaford, NY vary significantly depending on the neighborhood and location. For a quick sale, a 2,700 sqft home should be listed at around $927,532. Sellers who can wait longer may achieve a higher price of up to $1,133,650.

FAQ – Home Values in Seaford

What is the median home value in Seaford in 2026?

In 2026, the typical home value in Seaford is about $681,659 for an average home size of 1968 square feet. This corresponds to an average price of roughly $347 per square foot.

What is the average cost per square foot in Seaford?

In 2026, homes in Seaford sell for an average of around $347 per square foot, with a typical range between $316 and $316 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 Seaford is about 1968 square feet, with an estimated 2026 value around $681,659.



Locations close to Seaford, NY

Selden, NY76 $ / ft²
Shoreham, NY203 $ / ft²
Smithtown, NY311 $ / ft²
Sayville, NY222 $ / ft²
Saint James, NY335 $ / ft²
Ronkonkoma, NY259 $ / ft²
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