Williamstown, MA housing market
The typical Williamstown home is worth about $503,000, up 1.6% in a year, 24% below the Massachusetts typical home.
Home values, sales, trends and how Williamstown compares with the towns next door — updated as new data is published.
Williamstown 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 | Williamstown | Massachusetts |
|---|---|---|
| 2017 | $289,000 | $382,000 |
| 2018 | $299,000 | $407,000 |
| 2019 | $315,000 | $426,000 |
| 2020 | $325,000 | $438,000 |
| 2021 | $358,000 | $485,000 |
| 2022 | $411,000 | $536,000 |
| 2023 | $446,000 | $572,000 |
| 2024 | $476,000 | $616,000 |
| 2025 | $487,000 | $648,000 |
| 2026 | $494,000 | $658,000 |
| August 2026 | $503,000 | $662,000 |
Williamstown and its neighbors
| Town | Typical value | 1-yr change | Days on market | Median income |
|---|---|---|---|---|
| Williamstown | $503K | +1.6% | — | $106,650 |
| North Adams | $263K | +1.8% | 68 | $47,500 |
| Clarksburg | $282K | −0.8% | — | $77,143 |
| Adams | $271K | +2.4% | — | $58,929 |
4.7 years of income
The typical Williamstown home costs about 4.7 years of the town's median household income, less than across Massachusetts (6.4 years).
How Williamstown 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.