Wallingford, Pennsylvania. Wallingford is an unincorporated community in Nether Providence Township, Delaware County in Pennsylvania, United States. Founded in 1687, it is named for Wallingford, England. In 2007, Wallingford was named by Money Magazine as the 9th best place to live in the United States; two other towns in the area made the top 15.
These are just a few of the factors that can lengthen the probate process. As a result, it is a reasonable estimation that an estate will remain open on average for about six months. Obviously, some could be open for as little as four months while others could last upwards of nine months or more. Each estate is different.
Minimum Length of Time. Keep the records and papers for any settled estate for at least seven years, if an estate tax return was filed. That is the Internal Revenue Service recommendation for any financial transactions. Under IRS rules, that is the end of the statute of limitations for any kind of auditing.