The place is barely livable, has a lot of back taxes, and ownership was never transferred when their mother passed.

Make sure the new tenant would pass your requirements and they are on a lease and there is no hanky panky with the guy that rented to them. 

Thanks for the replies, I thought that might be the case.I wonder though, at what size would an investor be enough of a PMC's revenue to be able to make some demands of them that they normally wouldn't entertain? 

I wanted to start a mutiny but I just don't see the others enough in passing to talk to them.

You close on the prop after rehab is done and inspections are passed, so there's no risk to you during the rehab phase.

In fact, now that Seattle has passed the "1st qualified applicant" law, you are now obligated to offer the home to rent to the first qualified applicant for your rental.What this means is that you cannot remove a tenant solely on the premise that they are using the Section 8 program to subsidize their payment.

For now, that cost is being passed onto the tenants through billing with a 10% charge on top.Currently, the park owns 13 mobile homes and is rented out to individuals. 8 of the lots are on lot rent only payments with owned homes. 2 spaces are vacant that will fit RV's of 20 feet or less in length.

He brought me the deal after another investor got cold feet and passed on it.

Passed my test on the first try. 

If they pass your screening standards, sign a lease.