From episode 1x05 "Sparks Fly Out".
From episode 4x09 "Let's Get Out of Here".
Used as the exterior of Moon Goddess Emporium, Marnie's store and headquarters of her coven.
This house's indoor swimming pool/day room was used as the residence of the Yahtzee loving Queen of Louisiana.
King of Mississippi's House
Source: Seeing Stars
Sookie and Bill stay at the Hotel Carmilla while in Dallas, and the scene where Godric goes on the roof.