Pets: Community Lots
The Pet's expansion is great & the Dogs & Cats are adorable <3 As far as community lots (without a dog/cat trait), they just continue to show up, walking into clubs, across dance floors, gyms, etc...
Forum Discussion
If you don't mind using mods, there is a No Pets Allowed custom lot trait by LittleMsSam. http://littlemssam.de/no-pets-allowed-custom-lot-trait/
