The house is a large brown rock with a tan arrow-shaped weather vane on top. Like a door, the rock has hinges to open and close.
In early episodes of the series, Patrick had nothing in it except a gray CRT TV, a green chair, a lamp with a yellow lampshade, a gray telephone, a brown barrel, and a bed with a wooden bed frame and green blanket. Later on, he has everything made out of sand.
Patrick also is known to pick up or carry the entire rock. It also has a backyard that is rarely shown. The front yard has a long black path connecting the front of the rock and Conch Street. Patrick has one large room in his house that he changes according to the time of the day.
In the episode "Home Sweet Pineapple," Patrick reveals that his house is extremely easy to make and he built it all by himself.
In the "Truth or Square TV Guide," a comic reveals that Patrick's house was once his small pet rock who grew up to be a large rock and he puts an arrow on it, but the wooden arrow broke and fell. Patrick's house is usually pinkish-brown or very dark brown. Patrick is not good at making a house, so this is why his house is just a rock, but Patrick did manage to build the rooms and put his stuff in it.
It is revealed that Patrick's parents kicked him out and got rid of him, so he had to make his own house.
In the episode "The Card," Patrick is revealed to have a landlord who constantly changes the lock on him.
In the episode "I'm with Stupid," it is revealed that Patrick's house has two rooms, including the kitchen. Sometimes there is also a bathroom in the house, as seen in "The Donut of Shame."
In the episode "Growth Spout," he is revealed to own a sand refrigerator full of fake sand food items in his kitchen.
In the episode "Shell Games," it is revealed that Patrick's house is a shell that belongs to a sea turtle named Tony. Tony has been asleep for over 30 years and his shell slowly became covered in the substance, giving it a rock-like appearance.
The SpongeBob LEGO set called "Adventures in Bikini Bottom (3827)" has Patrick's house in LEGO form. Patrick's house design in that LEGO set is based on the early seasons by including a chair and a CRT TV. The only difference from the early seasons of the show is that the LEGO version also includes a table with a red cup on it.
"Shell Games " reveals Patrick's rock house is actually the shell of a sea turtle who overslept, but Tony was never seen in the entire series until that episode.
It was also shown in that episode that the shell was covered with brown crud.