- 6 bd
- 4 ba
- 3,196 sqft

The average Nassau County, NY home value is $856,988, up 5.5% over the past year, and homes go to pending in around 30 days. (Updated on )
Zillow Home Value Index (ZHVI), built from the ground up by measuring monthly changes in property level Zestimates, captures both the level and home values across a wide variety of geographies and housing types.
Typical Home Values: $856,988
1-Year Value Change: +5.5%
(Data through August 31, 2026)
Zillow is more than a place to browse homes. It’s a place to connect with a local agent, explore financing solutions, schedule home tours, understand your buying and selling power, and more.
The median home value in Nassau County, NY is $856,988 as of August 2026. This represents a 0.6% increase compared to last month and a 5.5% increase year-over-year.
The median home value in Nassau County, NY ($856,988) compares to New York ($526,714) and the U.S. national median ($368,697).
The cities with the highest median home values in Nassau County, NY include: Sands Point ($3,427,670), Old Westbury ($3,080,704), Upper Brookville ($2,790,733), Muttontown ($2,489,881), Oyster Bay Cove ($2,458,350). These cities represent the most expensive areas within the county.