Depending on the state and even the county, the eviction process can be a nightmare. 

Alternatively, some purchasers want to control the process in return for more certainty.For a non-delegated correspondent loan, the loan purchaser will get involved and direct all processing decisions.

If the former, note per Union City Rent Stabilization ordinance (https://ecode360.com/15397000 is a slightly outdated version), "the terms of this chapter apply to individual dwelling units within a building, including condominium or cooperative units in the process of being converted, or having been converted".

We aren’t looking for someone who is accountable for a subprocess and has “partners” they can refer us to for other processes.

I’m leaning towards the Fannie Mae route but have no idea the process to transfer it to your LLC later.

I put a listing together and just said I was in the process of filling the unit.

Have I missed some deals during this process, of course.

I am in the process of buying a property.

You may end up needing to go through the whole foreclosure process which can take a lot of time and cost a lot of money, and you may end up getting the property back in much worse condition than when you sold it, potentially with a squatter in it and months of lost rent, and in a worst case scenario you will be in a much worse position than if you had just sold it outright. 

Have a process server physically give the notice of non renewal. and as Teresa said, try calling from a different number