Leaking Basement - Baltimore City

[Alex R.]

The Baltimore City rental property that I own is a row home (middle unit) and has never had issues with basement leaks. With the recent rain storms, the unit is now leaking in the basement.

The leaks don't happen in the front of the house or in the back of the house. It's leaking from under the shared party wall in the middle of the house. Is this a roof issue? Has anyone experienced this before? Anyone have an advice on who I should call? HELP!!