Water Mill, NY housing market
The typical Water Mill home is worth about $4,829,000, up 8% in a year, 817% above the New York typical home.
Home values, sales, trends and how Water Mill compares with the towns next door — updated as new data is published.
Water Mill at a glance
Only 4 sales in May 2026: in a market this size, monthly medians swing a lot, so the typical value above is the steadier guide.
Typical home value, 2016–2026
Show as a table
| January | Water Mill | New York |
|---|---|---|
| 2017 | $2,623,000 | $298,000 |
| 2018 | $2,610,000 | $317,000 |
| 2019 | $2,732,000 | $337,000 |
| 2020 | $2,830,000 | $353,000 |
| 2021 | $2,859,000 | $379,000 |
| 2022 | $3,640,000 | $417,000 |
| 2023 | $3,997,000 | $437,000 |
| 2024 | $4,143,000 | $458,000 |
| 2025 | $4,375,000 | $489,000 |
| 2026 | $4,646,000 | $510,000 |
| August 2026 | $4,829,000 | $527,000 |
Water Mill and its neighbors
| Town | Typical value | 1-yr change | Days on market | Median income |
|---|---|---|---|---|
| Water Mill | $4.83M | +8% | — | $186,875 |
| Bridgehampton | $4.81M | +7% | — | $139,486 |
| North Sea | — | — | — | $161,587 |
| Southampton | — | — | 60 | $214,032 |
25.8 years of income
The typical Water Mill home costs about 25.8 years of the town's median household income, more than across New York (6.1 years).
Home value ÷ ACS median household income.
Owners, rent & taxes
U.S. Census Bureau, ACS 2020-2024.
Home values: Zillow Home Value Index (ZHVI), Zillow Research, August 2026. Sales, days on market and supply: Redfin Data Center, May 2026. Income, ownership, taxes and rent: U.S. Census Bureau, American Community Survey. Listings link to their publishers.