Outside the Testaburgers house is painted a drab green, similar to the Broflovski Residence. It has a detached garage and like most of the other houses in South Park it appears to have been built with the same floorplan.
The Testaburger house has a living room, a dining room, Wendy's room, and a bathroom. Although it isn't seen, it is assumed her parents have a room and a basement like the other houses in South Park.
- The bathroom has a large poster of Russell Crowe in it.
- “Tom's Rhinoplasty” - Wendy gets Bebe to give her a makeover here.
- “Chef Goes Nanners” - Wendy freaks out when she realizes she has a crush on Cartman.
- “Raisins” - Stan attempts to win Wendy back by playing Shock the Monkey.
- “Stupid Spoiled Whore Video Playset” - Wendy speaks to her parents about the girls becoming whores.
- “Follow That Egg!” - Wendy and Kyle look after their egg here.
- “The List” - Stan and Wendy investigate the list.
- “Breast Cancer Show Ever” - Cartman and his mother come here to prevent a fight between him and Wendy.
- “Dances with Smurfs” - Butters urinates on the front door.
- “The Hobbit” - Kanye West comes into Wendy's bedroom to tell her a sad story about Kim Kardashian.
- “Sponsored Content” - Jimmy delivers the Super School News paper here.
- “Member Berries” - Wendy watches the unveiling of the new national anthem.
- “The Scoots” - Mr. Mackey gives counselling to Mr. Testaburger at the end.
- “Unfulfilled” - Seen during the Unfulfilled montage.