Williamsville, NY housing market
The typical Williamsville home is worth about $424,000, up 5.1% in a year, 19% below the New York typical home. Homes typically sell in 7 days, a little above asking.
Home values, sales, trends and how Williamsville compares with the towns next door — updated as new data is published.
Williamsville 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 | Williamsville | New York |
|---|---|---|
| 2017 | $221,000 | $298,000 |
| 2018 | $239,000 | $317,000 |
| 2019 | $251,000 | $337,000 |
| 2020 | $262,000 | $353,000 |
| 2021 | $288,000 | $379,000 |
| 2022 | $323,000 | $417,000 |
| 2023 | $359,000 | $437,000 |
| 2024 | $378,000 | $458,000 |
| 2025 | $392,000 | $489,000 |
| 2026 | $414,000 | $510,000 |
| August 2026 | $424,000 | $527,000 |
Williamsville and its neighbors
| Town | Typical value | 1-yr change | Days on market | Median income |
|---|---|---|---|---|
| Williamsville | $424K | +5.1% | 7 | $98,850 |
| Cheektowaga | — | — | 10 | $69,239 |
| Amherst | — | — | 9 | $93,483 |
4.3 years of income
The typical Williamsville home costs about 4.3 years of the town's median household income, less than across New York (6.1 years).
How Williamsville 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, April 2026. Income, ownership, taxes and rent: U.S. Census Bureau, American Community Survey. Listings link to their publishers.