House Prices

South Grove Syosset, NY House Prices & Home Values 2026


Average Data

average house price$1,285,151
average size per house3302 ft²
average price per ft²411 $ / ft²

06/24/2026 - The value range (VR) for house prices in South Grove Syosset, NY is $390.45/ sqft to $431.55/ sqft. An average home with 3302 sqft costs approximately $1,358,887 to $1,501,927. Syosset, NY includes 1 ZIP codes and it is located in Nassau county. The lowest prices are found in ZIP 11791, while the highest are in ZIP 11791. The average price per sqare feet is $411. Our analysis is based on 13 property listings.

Avergage prices by ZIP codes South Grove Syosset

11791390 $ / ft²




Historical development of home values in South Grove Syosset

Year Estimated value (USD) Change vs. 2025
2010 $596,847 -53.6%
2011 $573,767 -55.4%
2012 $572,222 -55.5%
2013 $593,611 -53.8%
2014 $623,127 -51.5%
2015 $655,109 -49.0%
2016 $689,297 -46.4%
2017 $726,501 -43.5%
2018 $766,666 -40.3%
2019 $802,215 -37.6%
2020 $843,686 -34.4%
2021 $959,601 -25.3%
2022 $1,118,680 -13.0%
2023 $1,179,700 -8.2%
2024 $1,247,947 -2.9%
2025 $1,285,151 0.0%

Graph: estimated home values in South Grove Syosset over time (USD)



Example: 100% financing house in South Grove Syosset

Loan amount: $1,285,151

Interest rate: 6.32%

Fixed monthly payment: $7,974.85

Breakdown in the 1st month:
Interest portion: $6,772.75  –  Principal portion: $1,202.11

Yearly breakdown (100% financing)

Year Interest per year ($) Principal per year ($) Remaining balance at year-end ($)
1 $80,847.40 $14,850.82 $1,270,300.18
2 $79,880.53 $15,817.69 $1,254,482.50
3 $78,850.71 $16,847.51 $1,237,634.99
4 $77,753.84 $17,944.37 $1,219,690.62
5 $76,585.56 $19,112.65 $1,200,577.96
6 $75,341.22 $20,356.99 $1,180,220.97
7 $74,015.87 $21,682.35 $1,158,538.62
8 $72,604.23 $23,093.99 $1,135,444.63
9 $71,100.68 $24,597.54 $1,110,847.10
10 $69,499.24 $26,198.98 $1,084,648.12
11 $67,793.54 $27,904.67 $1,056,743.45
12 $65,976.79 $29,721.43 $1,027,022.02
13 $64,041.76 $31,656.46 $995,365.56
14 $61,980.75 $33,717.47 $961,648.10
15 $59,785.55 $35,912.67 $925,735.43
16 $57,447.44 $38,250.78 $887,484.65
17 $54,957.10 $40,741.12 $846,743.53
18 $52,304.62 $43,393.60 $803,349.93
19 $49,479.45 $46,218.76 $757,131.17
20 $46,470.35 $49,227.86 $707,903.31
21 $43,265.35 $52,432.87 $655,470.44
22 $39,851.67 $55,846.54 $599,623.90
23 $36,215.75 $59,482.47 $540,141.43
24 $32,343.11 $63,355.11 $476,786.32
25 $28,218.34 $67,479.88 $409,306.44
26 $23,825.02 $71,873.20 $337,433.25
27 $19,145.67 $76,552.55 $260,880.70
28 $14,161.67 $81,536.54 $179,344.16
29 $8,853.19 $86,845.03 $92,499.13
30 $3,199.09 $92,499.13 $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 South Grove Syosset, NY


1500 sqft3900 sqft
Ø selling price$786,248$1,672,563
Ø fast selling$714,771$1,505,306
Ø high price sale$857,725$1,839,819

In 2026, houses in South Grove Syosset, NY will be offered at an average price of $411 per square foot. A 1,500 sqft home priced at $786,248 is 24.24% more expensive per square foot than a 3,900 sqft home priced at $1,672,563. Home prices in South Grove Syosset, 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 $1,157,928. Sellers who can wait longer may achieve a higher price of up to $1,415,245.

FAQ – Home Values in South Grove Syosset

What is the median home value in South Grove Syosset in 2026?

In 2026, the typical home value in South Grove Syosset is about $1,285,151 for an average home size of 3302 square feet. This corresponds to an average price of roughly $411 per square foot.

What is the average cost per square foot in South Grove Syosset?

In 2026, homes in South Grove Syosset sell for an average of around $411 per square foot, with a typical range between $390.45 and $431.55 per square foot, depending on the property’s location, condition, and lot size.

What is the average home size in South Grove?

The average home size in South Grove Syosset is about 3302 square feet, with an estimated 2026 value around $1,285,151.



Neighborhoods close to South Grove Syosset, NY

Great Rock Wading River, NY240 $ / ft²
Mandalay Wantagh, NY142 $ / ft²
Captree Manor West Islip, NY347 $ / ft²
Hamlet at Wind Watch Hauppauge, NY256 $ / ft²
Village of the Branch Smithtown, NY294 $ / ft²
East Shoreham Shoreham, NY223 $ / ft²
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