House Prices

House Prices & Home Values Old Westbury, NY 2026


Average Data

average house price$2,676,799
average size per house5244 ft²
average price per ft²511 $ / ft²

06/25/2026 - The value range (VR) for house prices in Old Westbury, NY is $517/ sqft to $517/ sqft. An average home with 5244 sqft costs approximately $2,711,148 to $2,711,148. Old Westbury, NY includes 1 ZIP codes and it is located in Nassau county. The lowest prices are found in ZIP 11568, while the highest are in ZIP 11568. The average price per sqare feet is $511. Our analysis is based on 10 property listings.

Avergage prices by ZIP codes Old Westbury

11568514 $ / ft²




Historical development of home values in Old Westbury

Year Estimated value (USD) Change vs. 2025
2010 $1,243,154 -53.6%
2011 $1,195,081 -55.4%
2012 $1,191,863 -55.5%
2013 $1,236,412 -53.8%
2014 $1,297,892 -51.5%
2015 $1,364,504 -49.0%
2016 $1,435,714 -46.4%
2017 $1,513,205 -43.5%
2018 $1,596,863 -40.3%
2019 $1,670,907 -37.6%
2020 $1,757,285 -34.4%
2021 $1,998,722 -25.3%
2022 $2,330,061 -13.0%
2023 $2,457,158 -8.2%
2024 $2,599,308 -2.9%
2025 $2,676,799 0.0%

Graph: estimated home values in Old Westbury over time (USD)



Example: 100% financing house in Old Westbury

Loan amount: $2,676,799

Interest rate: 6.00%

Fixed monthly payment: $16,048.76

Breakdown in the 1st month:
Interest portion: $13,384.00  –  Principal portion: $2,664.77

Yearly breakdown (100% financing)

Year Interest per year ($) Principal per year ($) Remaining balance at year-end ($)
1 $159,713.74 $32,871.41 $2,643,927.59
2 $157,686.31 $34,898.84 $2,609,028.75
3 $155,533.82 $37,051.33 $2,571,977.43
4 $153,248.58 $39,336.57 $2,532,640.86
5 $150,822.39 $41,762.76 $2,490,878.09
6 $148,246.55 $44,338.60 $2,446,539.49
7 $145,511.84 $47,073.31 $2,399,466.19
8 $142,608.46 $49,976.69 $2,349,489.50
9 $139,526.01 $53,059.14 $2,296,430.36
10 $136,253.44 $56,331.71 $2,240,098.65
11 $132,779.02 $59,806.13 $2,180,292.52
12 $129,090.31 $63,494.84 $2,116,797.68
13 $125,174.09 $67,411.06 $2,049,386.62
14 $121,016.32 $71,568.83 $1,977,817.79
15 $116,602.11 $75,983.04 $1,901,834.76
16 $111,915.65 $80,669.50 $1,821,165.25
17 $106,940.13 $85,645.02 $1,735,520.23
18 $101,657.73 $90,927.42 $1,644,592.81
19 $96,049.53 $96,535.62 $1,548,057.19
20 $90,095.42 $102,489.73 $1,445,567.46
21 $83,774.08 $108,811.07 $1,336,756.38
22 $77,062.85 $115,522.30 $1,221,234.08
23 $69,937.69 $122,647.46 $1,098,586.62
24 $62,373.06 $130,212.09 $968,374.53
25 $54,341.86 $138,243.29 $830,131.24
26 $45,815.32 $146,769.83 $683,361.41
27 $36,762.88 $155,822.27 $527,539.13
28 $27,152.10 $165,433.05 $362,106.08
29 $16,948.55 $175,636.60 $186,469.48
30 $6,115.67 $186,469.48 $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 Old Westbury, NY


1500 sqft3900 sqft
Ø selling price$927,466$1,972,972
Ø fast selling$843,151$1,775,674
Ø high price sale$1,011,781$2,170,269

In 2026, houses in Old Westbury, NY will be offered at an average price of $511 per square foot. A 1,500 sqft home priced at $927,466 is 22.86% more expensive per square foot than a 3,900 sqft home priced at $1,972,972. Home prices in Old Westbury, NY vary significantly depending on the neighborhood and location. For a quick sale, a 2,700 sqft home should be listed at around $1,365,903. Sellers who can wait longer may achieve a higher price of up to $1,669,438.


Old Westbury, NY: Luxury, History, and Green Spaces

Location, Access, and Education

Located in Nassau County on Long Island, Old Westbury, NY is renowned for its grand estates, leafy roads, and timeless elegance. The village?s crown jewel is Old Westbury Gardens, a Gilded Age mansion and formal gardens that host tours, seasonal blooms, and film shoots. With quick access to the Long Island Expressway, Northern State, and Meadowbrook Parkway, residents enjoy convenient commutes to New York City and neighboring hubs.
Education anchors the community, with SUNY Old Westbury and the New York Institute of Technology campuses bringing academic energy and cultural events. Nearby Long Island Rail Road stations in Westbury and Greenvale offer additional transit options for professionals and students alike.

Lifestyle, Real Estate, and Things to Do

Real estate in Old Westbury features expansive lots, privacy, and luxury estates, appealing to buyers seeking an estate lifestyle close to Manhattan. Outdoor enthusiasts relish equestrian facilities, golf and country clubs, and serene walking paths across preserved landscapes.
Boutiques and fine dining in nearby Roslyn, Manhasset, and Wheatley Plaza complement the village?s quiet residential character. Community life centers on heritage programming, garden events, and charitable galas that reflect the area?s philanthropic spirit. For travelers and day-trippers, Old Westbury delivers a refined blend of history, horticulture, and modern convenience on Long Island?s North Shore.



FAQ – Home Values in Old Westbury

What is the median home value in Old Westbury in 2026?

In 2026, the typical home value in Old Westbury is about $2,676,799 for an average home size of 5244 square feet. This corresponds to an average price of roughly $511 per square foot.

What is the average cost per square foot in Old Westbury?

In 2026, homes in Old Westbury sell for an average of around $511 per square foot, with a typical range between $517 and $517 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 Old Westbury is about 5244 square feet, with an estimated 2026 value around $2,676,799.



Locations close to Old Westbury, NY

Point Lookout, NY616 $ / ft²
Rockville Centre, NY365 $ / ft²
Oceanside, NY383 $ / ft²
Merrick, NY434 $ / ft²
Malverne, NY349 $ / ft²
Lynbrook, NY357 $ / ft²
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