Williamstown NJ
483 active listings out of 16K total properties we track across 9 Williamstown ZIPs — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.
While you're here, take in the bigger picture — maps below show New Jersey (statewide), not just Williamstown. Same company, same dataset, different resolution.
Inventory breakdown
Distribution of the 483 currently-active listings in Williamstown, NJ. Full dataset covers 16K properties — listings, off-market homes, rentals, and full history.
ZIP codes in Williamstown
Drill into any ZIP for hex-level breakdowns.
Nearby cities
Other New Jersey cities within driving distance.
Get Williamstown, NJ data in your app
GET https://api.straply.com/v1/markets/city/williamstown-nj
Authorization: Bearer $STRAPLY_KEY {
"city": "williamstown-nj",
"total_tracked": 16440,
"active": 483,
"median_list": 350000
} Williamstown, NJ real estate: market summary
As of November 2026, Straply tracks 16,440 homes in Williamstown, NJ, with 483 active for sale at a median list price of $350,000 (~$220/sq ft). Notably, most homes were built in the 1970s.
- Median list price
- $350,000
- Median $/sq ft
- $220
- Active listings
- 483
- Median sale price
- $360,000
- Properties tracked
- 16,440
Frequently asked: Williamstown, NJ real estate
What is the median home price in Williamstown?
The median list price in Williamstown, NJ is $350,000 (about $220 per square foot), based on 483 active listings tracked by Straply as of November 2026.
What price range are homes in Williamstown?
Active listings in Williamstown, NJ concentrate in: 43% $300k–$500k and 37% under $300k.
Are home prices in Williamstown going up or down?
The median sale price is $360,000. Straply tracked 509 sales here over the past 12 months.
How many homes are for sale in Williamstown?
Straply is tracking 483 active listings in Williamstown, NJ out of 16,440 properties on record as of November 2026.
How old are the homes in Williamstown?
Most homes in Williamstown, NJ were built in the 1970s. About 55% were built after 1980, while 5% predate 1940. The newest tracked home dates to 2026.
What types of homes are in Williamstown?
Williamstown, NJ is mostly single-family homes (71% of listings). Also common: lots / land 11%, townhouses 8%.
How many bedrooms do homes in Williamstown typically have?
The most common size in Williamstown, NJ is 3 bd.
What are the most active ZIP codes in Williamstown?
The ZIP codes with the most active listings in Williamstown, NJ are 08094, 08080.
What areas are near Williamstown?
Nearby markets Straply also tracks include Franklinville, Sicklerville, Turnersville, Glassboro.
Data as of November 2026. Source: Straply. For address-level history and programmatic access, use the Straply API.