Notify close family and friends; secure the home, vehicles, and valuables

Their home, and the alarm or security provider and homeowners association if there is one.

Collect every set of keys and remotes, including any held by neighbors, cleaners, or tenants. Change the alarm codes and update the security company's contact list. Photograph or video every room and any valuables before anything is moved, this protects you if the estate is later questioned. Bring in mail, secure vehicles, and set lights on timers if the home will stand empty.

Keys, garage remotes, and alarm codes A copy of the death certificate once available

Same day if possible, certainly within the first few days.