She owned a house which Jessica DiLaurentis didn't want to sell after her death. Mrs. DiLaurentis continued keeping the house clean and didn't allow Jason to enter it. In the backyard of her house, there's a gravestone that reads: "CHARLES Beloved Son".
In Original G'A'ngsters, it is revealed that Jessica had a lair Carol's storm cellar where she had information on Alison during her disappearance as well as files on her friends or people she knew. The cellar was fire bombed by Uber A to prevent The Liars from finding out more about Mary's Second Child.