House Prices

House Prices & Home Values Mount Sinai, NY 2026


Average Data

average house price$571,857
average size per house2360 ft²
average price per ft²243 $ / ft²

04/05/2026 - The value range (VR) for house prices in Mount Sinai, NY is $228/ sqft to $228/ sqft. An average home with 2360 sqft costs approximately $538,080 to $538,080. Mount Sinai, NY includes 1 ZIP codes and it is located in Suffolk county. The lowest prices are found in ZIP 11766, while the highest are in ZIP 11766. The average price per sqare feet is $243. Our analysis is based on 9 property listings.

Avergage prices by ZIP codes Mount Sinai

11766233 $ / ft²




Historical development of home values in Mount Sinai

Year Estimated value (USD) Change vs. 2025
2010 $265,581 -53.6%
2011 $255,311 -55.4%
2012 $254,623 -55.5%
2013 $264,140 -53.8%
2014 $277,275 -51.5%
2015 $291,505 -49.0%
2016 $306,718 -46.4%
2017 $323,273 -43.5%
2018 $341,145 -40.3%
2019 $356,964 -37.6%
2020 $375,417 -34.4%
2021 $426,996 -25.3%
2022 $497,782 -13.0%
2023 $524,934 -8.2%
2024 $555,302 -2.9%
2025 $571,857 0.0%

Graph: estimated home values in Mount Sinai over time (USD)



Example: 100% financing house in Mount Sinai

Loan amount: $571,857

Interest rate: 6.00%

Fixed monthly payment: $3,428.57

Breakdown in the 1st month:
Interest portion: $2,859.29  –  Principal portion: $569.29

Yearly breakdown (100% financing)

Year Interest per year ($) Principal per year ($) Remaining balance at year-end ($)
1 $34,120.39 $7,022.47 $564,834.53
2 $33,687.26 $7,455.60 $557,378.93
3 $33,227.41 $7,915.45 $549,463.48
4 $32,739.21 $8,403.65 $541,059.83
5 $32,220.89 $8,921.97 $532,137.85
6 $31,670.60 $9,472.26 $522,665.59
7 $31,086.37 $10,056.49 $512,609.10
8 $30,466.11 $10,676.75 $501,932.35
9 $29,807.59 $11,335.27 $490,597.08
10 $29,108.45 $12,034.40 $478,562.68
11 $28,366.20 $12,776.66 $465,786.02
12 $27,578.16 $13,564.70 $452,221.32
13 $26,741.52 $14,401.34 $437,819.98
14 $25,853.28 $15,289.58 $422,530.40
15 $24,910.25 $16,232.61 $406,297.79
16 $23,909.06 $17,233.80 $389,063.99
17 $22,846.12 $18,296.74 $370,767.25
18 $21,717.61 $19,425.25 $351,342.00
19 $20,519.51 $20,623.35 $330,718.65
20 $19,247.50 $21,895.36 $308,823.29
21 $17,897.05 $23,245.81 $285,577.47
22 $16,463.29 $24,679.57 $260,897.91
23 $14,941.11 $26,201.75 $234,696.16
24 $13,325.05 $27,817.81 $206,878.35
25 $11,609.30 $29,533.56 $177,344.79
26 $9,787.74 $31,355.12 $145,989.67
27 $7,853.82 $33,289.04 $112,700.63
28 $5,800.63 $35,342.23 $77,358.40
29 $3,620.80 $37,522.06 $39,836.34
30 $1,306.52 $39,836.34 $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 Mount Sinai, NY


1500 sqft3900 sqft
Ø selling price$441,046$938,224
Ø fast selling$400,951$844,401
Ø high price sale$481,141$1,032,046

In 2026, houses in Mount Sinai, NY will be offered at an average price of $243 per square foot. A 1,500 sqft home priced at $441,046 is 23.41% more expensive per square foot than a 3,900 sqft home priced at $938,224. Home prices in Mount Sinai, NY vary significantly depending on the neighborhood and location. For a quick sale, a 2,700 sqft home should be listed at around $649,539. Sellers who can wait longer may achieve a higher price of up to $793,882.


Mount Sinai, NY: A Coastal Long Island Hamlet

Location and History

Mount Sinai, NY is a picturesque hamlet on the North Shore of Long Island in Suffolk County. Centered around Mount Sinai Harbor and near Cedar Beach, the area offers sweeping coastal views and easy water access.
Its history dates back to colonial times, with ties to neighboring Port Jefferson and early shipbuilding.

Lifestyle and Recreation

Residents enjoy outdoor recreation, including kayaking, fishing, hiking local preserves, and strolling along quiet shoreline trails. Family-friendly parks and community events create a welcoming small-town atmosphere year-round.

Schools and Community

The Mount Sinai School District is well regarded, drawing homebuyers seeking strong academics and extracurricular programs.
Local dining, boutiques, and services along Route 25A and nearby village centers support a vibrant small-business scene.

Homes and Access

Housing ranges from classic capes and ranches to newer colonials, with many properties offering spacious lots and mature trees. Proximity to the Port Jefferson ferry and the Long Island Rail Road provides convenient regional commuting options. Whether you?re exploring beaches, researching schools, or considering relocation, Mount Sinai, NY delivers a balanced blend of coastal charm and suburban comfort.



FAQ – Home Values in Mount Sinai

What is the median home value in Mount Sinai in 2026?

In 2026, the typical home value in Mount Sinai is about $571,857 for an average home size of 2360 square feet. This corresponds to an average price of roughly $243 per square foot.

What is the average cost per square foot in Mount Sinai?

In 2026, homes in Mount Sinai sell for an average of around $243 per square foot, with a typical range between $228 and $228 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 Mount Sinai is about 2360 square feet, with an estimated 2026 value around $571,857.



Locations close to Mount Sinai, NY

Nesconset, NY341 $ / ft²
Northport, NY462 $ / ft²
Oakdale, NY328 $ / ft²
Mill Neck, NY544 $ / ft²
Miller Place, NY223 $ / ft²
Medford, NY244 $ / ft²
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