Lake Grove, NY housing market
The typical Lake Grove home is worth about $742,000, up 7.5% in a year, 41% above the New York typical home. Homes typically sell in 22 days, a little above asking.
Home values, sales, trends and how Lake Grove compares with the towns next door — updated as new data is published.
Lake Grove at a glance
A seller's market
Supply is tight — about 3.2 months of homes for sale at the current pace. Buyers should expect competition on well-priced homes.
Typical home value, 2016–2026
Show as a table
| January | Lake Grove | New York |
|---|---|---|
| 2017 | $396,000 | $298,000 |
| 2018 | $416,000 | $317,000 |
| 2019 | $442,000 | $337,000 |
| 2020 | $466,000 | $353,000 |
| 2021 | $495,000 | $379,000 |
| 2022 | $561,000 | $417,000 |
| 2023 | $585,000 | $437,000 |
| 2024 | $637,000 | $458,000 |
| 2025 | $676,000 | $489,000 |
| 2026 | $713,000 | $510,000 |
| August 2026 | $742,000 | $527,000 |
Lake Grove and its neighbors
| Town | Typical value | 1-yr change | Days on market | Median income |
|---|---|---|---|---|
| Lake Grove | $742K | +7.5% | 22 | $118,311 |
| Smithtown | $829K | +7% | 23 | $152,636 |
| Brookhaven | $721K | +7% | — | $120,110 |
6.3 years of income
The typical Lake Grove home costs about 6.3 years of the town's median household income, about the same as across New York (6.1).
How Lake Grove ranks on affordability →
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.