Something that I did not see mentioned that I feel is very important when considering dogs and apartments is that if you decide on certain breeds you will have a much more difficult time finding somewhere to rent. When I have browsed rental sites some of the dogs I've seen prohibited are pit bulls (and pit bull "types" such as American Staffordshire Terriers and Staffordshire Bull Terriers), rottweilers, Dobermans, German Shepards, chow chows, huskies, akitas, bull terriers, presa canarios, and wolf hybrids.