Home values, rents and more in Water Mill, NY
September 2026 figures from Zillow and the U.S. Census Bureau · updated 2026-11-07
Open Water Mill in ProMap- Under $2.2M
- $2.2M–$2.4M
- $2.4M–$3.7M
- $3.7M–$5M
- $5M+
- No data
How Water Mill compares
The typical home in Water Mill, NY is worth about $4,837,000, according to the Zillow Home Value Index for September 2026. Home values in Water Mill are 6.6 times the typical value in the New York metro area ($731,000) and 13.2 times the U.S. typical value ($366,000).
Over the past year, home values in Water Mill rose 8.5%, compared with +4.9% in the New York metro area and +1.2% nationally.
Typical rent is $61,667 a month (Zillow Observed Rent Index), 17.4 times the New York metro area ($3,546) and 31.9 times the U.S. ($1,932).
The median household income is $186,875, against $99,155 in the New York metro area and $80,734 in the U.S. (Census Bureau, American Community Survey 2020–24).
About 2,764 people live in Water Mill (American Community Survey 2020–24).
Water Mill has the 2nd-highest typical home value of the 558 cities in the New York metro area and the 2nd-highest of 728 in New York with Zillow figures.
Part of: Suffolk County, NY · New York metro area · New York
More for Water Mill in ProMap Plus
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- 5- and 10-year price changes
- Days on market and months of supply
- Price cuts and sale-to-list ratio
- Price-to-income and monthly cost to buy
- Crime rates
- Homeowners insurance premiums
- Commute time to downtown
- Flood, wildfire and natural hazard risk
- Property-tax rate
- 2024 presidential vote
- Age, education and household make-up
- Amenities and transit nearby
Nearby cities
ZIP codes in Water Mill, NY
Sources
Home values: Zillow Home Value Index (ZHVI), all homes, middle tier, smoothed and seasonally adjusted, September 2026. Rents: Zillow Observed Rent Index (ZORI), seasonally adjusted. Population: Census population estimates (July 2025) for states, metros and counties; ACS 2020–24 for cities and ZIP codes. Income: U.S. Census Bureau, ACS 2020–24 5-year estimates. Boundaries: U.S. Census Bureau cartographic boundary files. Compiled by Home Economics.
"Typical" is Zillow's middle-tier value (homes between the 35th and 65th percentiles), not a median sale price. Changes are over the 12 months to September 2026.