Williamstown MA
115 active listings out of 2.9K total properties we track across 5 Williamstown ZIPs — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.
Download Williamstown, MA property data
3,242,462 property records for all of Massachusetts — address, beds/baths, sqft, year built, status, list and last-sale price, price and tax history. Parquet or CSV.
Files are published by ZIP, county and state; this city is inside the state file.
Monthly snapshot · 327.1 MB Parquet · CSV (539.1 MB)
Records keep changing after a snapshot is compiled.
Rebuilt every day · same columns, same file layout
While you're here, take in the bigger picture — maps below show Massachusetts (statewide), not just Williamstown. Same company, same dataset, different resolution.
Inventory breakdown
Distribution of the 115 currently-active listings in Williamstown, MA. Full dataset covers 2.9K properties — listings, off-market homes, rentals, and full history.
ZIP codes in Williamstown
Drill into any ZIP for hex-level breakdowns.
Nearby cities
Other Massachusetts cities within driving distance.
Get Williamstown, MA data in your app
GET https://api.straply.com/v1/markets/city/williamstown-ma
Authorization: Bearer $STRAPLY_KEY{
"city": "williamstown-ma",
"total_tracked": 2874,
"active": 115,
"median_list": 615000
}Williamstown, MA real estate: market summary
As of November 2026, Straply tracks 2,874 homes in Williamstown, MA, with 115 active for sale at a median list price of $615,000 (~$290/sq ft). Notably, the market is cooling — the median sale price is down 43% year over year.
- Median list price
- $615,000
- Median $/sq ft
- $290
- Active listings
- 115
- Median sale price
- $310,000 (-43% YoY)
- Properties tracked
- 2,874
Frequently asked: Williamstown, MA real estate
What is the median home price in Williamstown?
The median list price in Williamstown, MA is $615,000 (about $290 per square foot), based on 115 active listings tracked by Straply as of November 2026.
What price range are homes in Williamstown?
Active listings in Williamstown, MA concentrate in: 32% $300k–$500k and 24% $500k–$750k.
Are home prices in Williamstown going up or down?
The median sale price is $310,000, down 43% year over year. Straply tracked 62 sales here over the past 12 months.
How many homes are for sale in Williamstown?
Straply is tracking 115 active listings in Williamstown, MA out of 2,874 properties on record as of November 2026.
How old are the homes in Williamstown?
Most homes in Williamstown, MA were built in the 1950s. About 22% were built after 1980, while 32% predate 1940. The newest tracked home dates to 2026.
What types of homes are in Williamstown?
Williamstown, MA is mostly single-family homes (70% of listings). Also common: lots / land 11%, condos 10%.
How many bedrooms do homes in Williamstown typically have?
The most common size in Williamstown, MA is 3 bd.
What are the most active ZIP codes in Williamstown?
The ZIP codes with the most active listings in Williamstown, MA are 01267, 99999.
What areas are near Williamstown?
Nearby markets Straply also tracks include North Adams, Clarksburg, Adams, Cheshire.
Data as of November 2026. Source: Straply. For address-level history and programmatic access, use the Straply API.