The Oak pet house is built in the Menagerie of a player-owned house. It can hold up to 3 adult pets provided that an Oak pet feeder or better is present. If no pet feeder is present, then no pets can be stored in the pet house. The Oak pet house is built with 4 Oak planks and level 37 Construction. Simply use your pet on the house to store it, and to retrieve it, use the right-click "Store House" option.