The median home in Williamstown, New Jersey is valued at $360,283, up 2.6% year over year. Williamstown is part of the Philadelphia-Camden-Wilmington, PA-NJ-DE-MD metropolitan area, which CrashWatch tracks daily with real-time stress scores and crash risk analysis.

Home Value$360,283

+2.6%

Prices rising — worse for buyers.

Affordability

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Income (annual)

Down Payment

$72,057 on $360,283

Example: $75,000 household income. Change it above to see your own.

Out of reach42.9% of income

Need $114,857/yr to afford.

PITI$2,680

P/I42.9%

Afford$235K

Gap-$125K

P&I $1,822Tax $742Ins $117

6.50% 30yr, 20% down, county tax + NJ ins. 28% per HUD.

Home Buying Kit For Dummies (2025)Financing, negotiation, closing

Other cities in New Jersey

Compare Williamstown with other housing markets across New Jersey.

Deal$4.21M Alpine$2.96M Loch Arbour$2.88M Avalon$2.63M Stone Harbor$2.48M Bay Head$2.36M Sea Girt$2.3M Short Hills$2.26M

Full Philadelphia-Camden-Wilmington, PA-NJ-DE-MD analysis

Stress scores, crash risk, early warning signals, and 12-month price forecasts for the Philadelphia-Camden-Wilmington, PA-NJ-DE-MD metro.

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Williamstown, NJ