List For 1% Realty

Homes for Sale Under 150K in Williamstown, NJ

47 Homes for Sale

Sort by:Newest Listings

Don't miss out on new listings — and get instant email alerts!

Do Real Estate on the Go!

Find your dream home, receive real-time updates, and many more!

OPEN APP

Williamstown, NJ Housing Market Overview

Williamstown is a balanced market, giving buyers and sellers room to negotiate. With 2.8 months of supply and homes averaging 63 days on the market, you can make decisions without the pressure of a highly competitive market.

Status

Balanced Market

Days on Market

63

Inventory

34

Sep 2021Mar 2024Mar 2026

Median Home Price

$350,000Up 0.09%

In Mar 2026 · YoY

Sep 2021Mar 2024Mar 2026

Mortgage Rates 30-Yr Fixed

6.23%Down 0.58%

Current rate · YoY

Loan Type

30-Year Fixed

Housing Supply

Homes For Sale
34 Up 0.10%
Newly Listed Homes
15 Up 0.15%
Months of Supply
2.8 Up 0.70%

Housing Demand

Homes Sold
12 Down 0.00%
Sale-to-List Ratio
100.6% Up 0.49%
Homes Sold Above List
50% Up 3.33%

30-yr fixed rate 6.23% · Data as of Mar 2026 · Source: Houzeo Research.

View Full Williamstown Market Report
Mortgage Calculator
How Much House Can I Afford
How to Buy a House in Williamstown, NJ
Best Places to Live in New Jersey
Safest Places to Live in New Jersey
Expensive Places to Live in New Jersey
Cheapest Places to Live in New Jersey
  • mls-imgIDX Logo

    Based on information from Bright MLS through Oct 9, 2026, 12:45 AM. Listing information is from various brokers who participate in the Bright MLS IDX program and not all listings may be visible on the site. The property information being provided on or through the website is for the personal, non-commercial use of consumers and such information may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Some properties which appear for sale on the website may no longer be available because they are for instance, under contract, sold or are no longer being offered for sale. Property information displayed is deemed reliable but is not guaranteed. IDX information is provided exclusively for personal, non-commercial use, and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information is deemed reliable but not guaranteed. © 2026 Bright MLS, Inc. All Rights Reserved. Click here for more information

Click to see all homes
static map image
Satellite
Williamstown, NJ Housing Marketlink qauare
Homes Available icon

47

Homes Available

Median List Price icon

$ 350,000

Median List Price

Avg on Market icon

63 Days

Avg on Market

Close IconHouzeo

Do Real Estate on the Go!

OPEN APP
For Sale
Price
Beds & Baths
Home Type
Filters
Save Search Share