First, diagnose
An assessment near the St. Joseph River has to rule out a rising water table, not just a visible crack, before anyone recommends a fix.
The full scope
- Point of entry, not just point of damage
- Correlation with river stage or storm timing
- High water table versus a cracked wall
- Floor-joint seepage as a separate cause
- Documentation to bring to an estimate
Worth noting locally
South Bend's history of river flooding -- 1847, 1855, and 1950 among them -- is a reasonable reason to assess for groundwater, not just surface leaks.