Key facts: Massachusetts requires formal probate for estates exceeding $50,000 in value; a mandatory 30-day creditor claims period must be observed before distributing inherited rental property; existing residential leases survive the death of the landlord under Massachusetts law; the estate executor or administrator assumes all landlord obligations and must comply with state landlord-tenant regulations; inherited property receives a stepped-up tax basis for capital gains purposes; court approval may be required before selling inherited rental property during administration.