West Islip, NY housing market
The typical West Islip home is worth about $774,000, up 5% in a year, 47% above the New York typical home. Homes typically sell in 22 days, a little above asking.
Home values, sales, trends and how West Islip compares with the towns next door — updated as new data is published.
West Islip at a glance
A strong seller's market
Homes are selling faster than new ones are listed: less than two months of supply. Well-priced homes can draw several offers.
Typical home value, 2016–2026
Show as a table
| January | West Islip | New York |
|---|---|---|
| 2017 | $481,000 | $298,000 |
| 2018 | $492,000 | $317,000 |
| 2019 | $522,000 | $337,000 |
| 2020 | $571,000 | $353,000 |
| 2021 | $597,000 | $379,000 |
| 2022 | $657,000 | $417,000 |
| 2023 | $676,000 | $437,000 |
| 2024 | $700,000 | $458,000 |
| 2025 | $745,000 | $489,000 |
| 2026 | $752,000 | $510,000 |
| August 2026 | $774,000 | $527,000 |
West Islip and its neighbors
| Town | Typical value | 1-yr change | Days on market | Median income |
|---|---|---|---|---|
| West Islip | $774K | +5% | 22 | $176,281 |
| Babylon | $771K | +0.6% | — | $128,108 |
| Islip | $685K | +5.3% | 27 | $130,132 |
| Babylon | — | — | — | $140,820 |
| West Bay Shore | — | — | 26 | $137,083 |
| North Babylon | $676K | +1.3% | 26 | $140,342 |
| Baywood | — | — | — | $118,750 |
4.4 years of income
The typical West Islip home costs about 4.4 years of the town's median household income, less 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.