Real Estate Data API

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.

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Active
483
Median
$350K
±0%
Sold Sep
50
-18.0%
Tracked
16K
Zoomed out

While you're here, take in the bigger picture — maps below show New Jersey (statewide), not just Williamstown. Same company, same dataset, different resolution.

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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.

Active by price range
Under $300K 169 (36.6%)
$300K–$500K 197 (42.6%)
$500K–$750K 79 (17.1%)
$750K–$1M 9 (1.9%)
$1M–$2M 6 (1.3%)
$2M+ 2 (0.4%)
Active by bedroom count
Studio/1 bd 3
2 bd 104
3 bd 178
4 bd 117
5+ bd 22
Active by property type
Single Family 345 (71.4%)
Lot 51 (10.6%)
Townhouse 36 (7.5%)
Manufactured 31 (6.4%)
Other 12 (2.5%)
Multi Family 6 (1.2%)
For Developers

Get Williamstown, NJ data in your app

curl
request
GET https://api.straply.com/v1/markets/city/williamstown-nj
Authorization: Bearer $STRAPLY_KEY
200 OK response
{
  "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.