Pet shelter with removable walls

A pet shelter which may be converted from an open-air shelter to a substantially enclosed shelter and from a substantially enclosed shelter to an open-air shelter, comprising:

• a. a generally rectangular base having a top, a bottom, four comers, and an outer edge;
• b. four base supports attached to the bottom of said base generally at the outer edge of said base;
• c. a front column pair and a rear column pair attached to the top of the base at the comers of the base;
• d. a roof comprising a front gable and a rear gable, said front gable being mounted on and supported by said front column pair, said rear gable being mounted on and supported by said rear column pair, said roof further comprising a first roof slope and a second roof slope abutting one another and attached to said front gable and said rear gable of said roof so as to form an apex of the roof;
• e. two removable side walls for attachment to said front column and said rear column;
• f. a removable rear wall for attachment to said rear column pair;
• and
• g. a removable front wall for attachment to said front column pair, said front wall having a section defining an opening for access to the pet shelter;
• whereby an open-air pet shelter is obtained by removing one or more of said side walls, said rear wall, and said front wall and a substantially enclosed pet shelter is obtained by attaching one or more of said side walls, said rear wall, and said front wall.