Mount Sinai, NY housing market
The typical Mount Sinai home is worth about $780,000, up 6.5% in a year, 48% above the New York typical home. Homes typically sell in 26 days, close to asking.
Home values, sales, trends and how Mount Sinai compares with the towns next door — updated as new data is published.
Mount Sinai at a glance
A seller's market
Supply is tight — about 3.3 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 | Mount Sinai | New York |
|---|---|---|
| 2017 | $455,000 | $298,000 |
| 2018 | $466,000 | $317,000 |
| 2019 | $485,000 | $337,000 |
| 2020 | $504,000 | $353,000 |
| 2021 | $533,000 | $379,000 |
| 2022 | $612,000 | $417,000 |
| 2023 | $637,000 | $437,000 |
| 2024 | $680,000 | $458,000 |
| 2025 | $717,000 | $489,000 |
| 2026 | $754,000 | $510,000 |
| August 2026 | $780,000 | $527,000 |
Mount Sinai and its neighbors
| Town | Typical value | 1-yr change | Days on market | Median income |
|---|---|---|---|---|
| Mount Sinai | $780K | +6.5% | 26 | $162,188 |
| Port Jefferson | $789K | +7.2% | 16 | $144,912 |
| Miller Place | $748K | +5.8% | 50 | $146,492 |
| Terryville | — | — | 25 | $110,389 |
| Coram | $577K | +6.2% | 27 | $105,220 |
| Port Jefferson Station | $637K | +6.3% | 27 | $120,734 |
4.8 years of income
The typical Mount Sinai home costs about 4.8 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.