Good thing you've recorded for the record what has transpired.What do you think is the root cause of the tenant's resistance to moving the vehicles?

There are plenty of internet resistant tenants growing an expanding brick and mortar.

Recession resistant niche such as student housing, and mobile home parks. 

ran into it accidentally but couldn't resist chiming in.  

Sorry, I couldn't resist!

The conventional loan limits in my market often create a point of resistance in some of the more expensive gentrifying neighborhoods.  

You haven't figured out how to post your picture right yet.Sorry I couldn't resist ;-) - Ned

And hopefully that makes the resident less resistant to the increase in rent coming at the end of the year and the  bill back on the water/trash expense starting at the end of the summer. 

They excavated the outside of the basement, painted a water resistant coating on the blocks. 

Start in the attic and check out what's visible up there... it's possible the water just continued on the path of least resistance and worked it's way to the slab and then out underneath the wall plates, without causing any damage along the way.