Thanks for reaching out, I’ve been trying to find a multi family property out near Lancaster county pa, but it’s been pretty dry out here lately  

We recently just put a dehumidifier down there and are looking to dry lock the basement 

Even if you do preventative things it won't keep it dry.

It's been great in years past, however, due to saturation and stricter registration/compliance requirements, bookings have really dried up here and many are converting to longer-term rentals. 

I can about promise you Statefarm will leave you high and dry!

You basically fill it with dirt and cheap soil and then plant all on top so someone can have a garden or nice option there.

@Lenny Machin  @Beka Shea is right a soil scientist would be helpful and we have employed several over the years. 

The combination of hot long summers (soil dries out) and lots of moisture in winter and spring (saturates the soil) causes the ground to constantly expand and contract.Out of state investors get freaked out by foundation issues but being that its such a normal occurrence, you have a plethora of foundation companies that know how to fix them with relative ease. 

In my situation, a professional clean up crew repaired everything and also didn't find any mold inside of walls before starting the cleanup and new flooring and dry walls were installed and it was over ten years ago.

Seems cut and dry that with limited exceptions JADU can require owner occupancy.