3 reports. Useful first pass, but one outlier can still shift the range.
Basement Waterproofing Cost in Flint, MI
Read what 3 homeowners actually wroteIn Flint, MI, basement waterproofing projects typically range from $6,000 to $8,800, with most homeowners paying around $8,000. Based on three recent reports, the middle 50% of costs fall between $7,000 and $8,400.
One email when this slice crosses the publish threshold. No list, no spam.
Shaded band: middle 50% of reports (25th–75th percentile). Median tick in teal.
Most jobs land between $6,200.00 and $8,720.00 (5th–95th percentile). Ignoring 1 outlier below and 1 above.
Based on reports from Apr 2026 (first entries this month).
Data last updated Apr 7, 2026.
Size context is still being collected (1 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 →
Latest reports
The underlying prices behind this page.
Installed a French drain around half the perimeter of the basement that drained into the existing sump pump. Total cost was $6k.
Had waterproofing done with internal tiling to keep the basement dry during heavy rain, cost.
Real homeowner write-ups, locked.
"Installed over 100ft of trenching in the basement leading to the sump pump after finding water coming in from all directions during light rain."
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