The Mason Shelter cat condos meets Association of Shelter Veterinarian’s guidelines for the housing of felines and is built for animal shelter use. The quiet condos are attractive and help to promote animal health and adoptions. Each condo has a separate litter box facility and space to sleep, exercise and hide, along with shelves for the cat to perch on and an easy to open portal doors. Airflow is promoted through the wire grid and this improves the health of the animals and staff interaction with cats. The units can be ordered in single or double stack configuration, 3 or 4 inch width, non organic material choices, tempered glass rear window, tempered glass door, and a rectangle up and down portal that closes.