Separate from government programs, your tenants could be mostly employed in the same sector, all your properties could be in the same neighborhood, or laws regarding your rights as a landlord could change.  

I think in this case you already have a fence on your side, the other fence can be rebuilt by your neighbor using his own money because that is his fence to separate his property from yours.  

If they are at risk, is it viable to make multiple LLCs to separate your assets?

I feel that there is a great deal here, even if I were to go in with a partner that is local on her condo, or even just wholesaled it, separate from the deal on my property.

I purchase the properties in my name and on my credit then do a Grant Deed to my LLC, maintain a separate bank account etc.  

If you do separate notes and deeds of trust or one large note filed on each legal, you're going to have some filing fees.

I am spending my time and energy operating three separate businesses - one seasonal service business, one retail, and one e-commerce website.

Unless there is some historical value or the building is extremely good condition AND the new property is nearby and easily accessible I would say the "play" on this is to push away from the table.On a completely separate note, when I put in the @ mark to tag you, I don't get the normal name list popping up. 

I asked which tab that was under and have not heard back from two separate contact.  

Not sure about that but we were told that the LLC is separate in terms of liability and really the personal umbrella would not come into play for the LLC.