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Basement Waterproofing Cost in New Jersey
Read what 3 homeowners actually wroteIn New Jersey, basement waterproofing projects typically range from $5,100 to $15,000, with most homeowners spending around $12,000. The middle 50% of projects fall between $8,550 and $13,500, giving you a sense of what similar work costs in your area.
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Shaded band: middle 50% of reports (25th–75th percentile). Median tick in teal.
Most jobs land between $5,790.00 and $14,700.00 (5th–95th percentile). Ignoring 1 outlier below and 1 above.
Based on reports from Apr 2026 (first entries this month).
Data last updated Apr 6, 2026.
Size context is still being collected (0 of 3 reports include home size or system size). Numbers above may not reflect what your specific home would pay. Add a report to sharpen this →
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The underlying prices behind this page.
Paid for waterproofing the basement.
Installed a membrane on all sides of the basement, French drains, and a sump with lid and ice guard. Total cost was around $15k for a 1600sq ft house built in 1905.
Real homeowner write-ups, locked.
"Paid 12k for basement waterproofing including weeping tile, wall membrane, sump pit, and pump for a 700 sq ft basement."
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