Real Estate Data API

Williamstown NJ

251 active listings out of 15K total properties we track across 6 Williamstown ZIPs — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.

Get this data → API docs
Active
251
Median
$365K
-4.3%
Sold/mo
15
-51.6%
Tracked
15K
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 251 currently-active listings in Williamstown, NJ. Full dataset covers 15K properties — listings, off-market homes, rentals, and full history.

Active by price range
Under $300K 63 (26.5%)
$300K–$500K 125 (52.5%)
$500K–$750K 45 (18.9%)
$750K–$1M 3 (1.3%)
$1M–$2M 2 (0.8%)
$2M+ 0 (0%)
Active by bedroom count
Studio/1 bd 1
2 bd 59
3 bd 108
4 bd 68
5+ bd 12
Active by property type
Single Family 193 (76.9%)
Manufactured 24 (9.6%)
Townhouse 22 (8.8%)
Multi Family 5 (2%)
Condo 4 (1.6%)
Lot 3 (1.2%)

ZIP codes in Williamstown

Drill into any ZIP for hex-level breakdowns.

08094
→
Active
250
Tracked
15K
08096
→
Active
0
Tracked
3
08084
→
Active
0
Tracked
1
08322
→
Active
1
Tracked
1
08904
→
Active
0
Tracked
1
08080
→
Active
0
Tracked
1

Nearby cities

Other New Jersey cities within driving distance.

Franklinville
4.7 mi away
Active: 50
Sicklerville
4.9 mi away
Active: 292
Turnersville
6.8 mi away
Active: 41
Glassboro
7.5 mi away
Active: 70
Waterford Works
7.7 mi away
Active: 16
Berlin
7.7 mi away
Active: 92
Newfield
7.8 mi away
Active: 55
Sewell
8 mi away
Active: 133
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": 15038,
  "active": 251,
  "median_list": 364950
}
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Williamstown, NJ real estate: market summary

As of April 2026, Straply tracks 15,038 homes in Williamstown, NJ, with 251 active for sale at a median list price of $364,950 (~$223/sq ft). Notably, most homes were built in the 1970s.

Median list price
$364,950
Median $/sq ft
$223
Active listings
251
Median sale price
$330,000 (-4% YoY)
Properties tracked
15,038

Frequently asked: Williamstown, NJ real estate

What is the median home price in Williamstown?

The median list price in Williamstown, NJ is $364,950 (about $223 per square foot), based on 251 active listings tracked by Straply as of April 2026.

What price range are homes in Williamstown?

Active listings in Williamstown, NJ concentrate in: 52% $300k–$500k and 26% under $300k.

Are home prices in Williamstown going up or down?

The median sale price is $330,000, down 4% year over year. Straply tracked 564 sales here over the past 12 months.

How many homes are for sale in Williamstown?

Straply is tracking 251 active listings in Williamstown, NJ out of 15,038 properties on record as of April 2026.

How old are the homes in Williamstown?

Most homes in Williamstown, NJ were built in the 1970s. About 54% 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 (77% of listings). Also common: manufactured homes 10%, townhouses 9%.

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, 08322.

What areas are near Williamstown?

Nearby markets Straply also tracks include Franklinville, Sicklerville, Turnersville, Glassboro.

Data as of April 2026. Source: Straply. For address-level history and programmatic access, use the Straply API.