Monroe and Williamstown, New Jersey - Mike Lentz - Keller Williams

Williamstown, NJ Real Estate and Homes for Sale

How much do homes cost in Williamstown, NJ?

Over the past 12 months, 451 homes sold in Williamstown at a median price of $365,000, and most sold between $300,000 and $462,000. The typical home went under contract in 27 days (Bright MLS, November 2025 through October 2026).

The real estate market right now

12-month snapshot (Bright MLS, Williamstown mailing address, closed sales November 2025 through October 2026):

For county-level trends, see our Gloucester County real estate market report, updated monthly.

Williamstown, NJ Homes For Sale Right Now

View all →

Looking in Williamstown?

Tell us what you’re after and we will send you homes that fit, plus honest guidance on pricing, timing, and how fast well-priced homes move here.

Schedule a call

Gloucester County hub: Gloucester County communities

Compare listings

Compare