Quick answer: if there's a valid will leaving the house to the spouse or another heir, no special petition is needed. Without one, a surviving spouse only gets a life estate by default and must petition the court for outright ownership. Run your own numbers in the Rhode Island probate real estate sale calculator.
A life estate, not outright ownership, by default
A will sidesteps this entirely
This life-estate default applies specifically under intestacy — a valid will can leave real property outright to the surviving spouse without any petition being necessary.
One of 39 courts, based on residence
Whichever petition or approval is needed, it's filed with the probate court of the city or town where the decedent lived — Rhode Island's five counties are geographic only and run no court of their own.
A local probate attorney can review your estate — many offer a free consultation.
All 39 Rhode Island municipal probate courts apply the same Title 33 rules on spousal real property rights.