cost to put a door in a wall
1 Pet doors cost $37 to $430, depending on the size, placement and features. 2  A basic pet door, mounted into a standard wooden door or exterior wall, costs $37-$250, depending on its size. 3  A pet door mounted into a glass door costs $129-$279. Hiring a handyman to install the door costs around $50 more. 2  It would take a handyman about two hours to install the door. 3  Dog doors are for sale at pet supply stores like PetSmart and Pet Super Store.