It's standard practice for all legal notifications to be in writing, preferably by regular mail, but these days email notification may suffice.

California basically requires a living trust to avoid probate (generally) and a Will alone will not suffice. 

I think to get my beak wet starting with a single family home would suffice hear locally.

How can I find if he had a will and then would it not suffice to just contact the executor and serve them the papers? 

Or will the bankable person’s credit and substantial (W2) income be suffice regardless of whoever else is on the line for the note.. ps I also have a co-borrower with substantial income/credit willing to sign on my behalf if need be. 

Would checking the county's record office suffice?

But, there are several considerations that can go into the analysis of whether you need an LLC or whether a large insurance policy will suffice.

Once in place, contracts are not negotiable, nor should they be (as I will revisit in a bit).On the other hand, if the tenants are month-to-month (or once their current lease term expires), a 30-day notice can be issued to terminate the lease, and the sale of the property requiring the unit to be vacant (if done by the current owner), or the desire to renovate (if done by you), should suffice as reasonable cause to terminate (this is one area where some other states may differ substantially from NH).

@Jecarl VirayThere are several considerations that can go into the analysis of whether you need an LLC or whether a large insurance policy will suffice.

@Mark Beekman,Have you asked if any available records for the residence formerly located on the lot would suffice?