I've had problems with them before too. They're just rude. We had a stray dog in our neighborhood at one time who had bitten a few people and I was afraid a kid was going to be next. Animal Control wouldn't do anything about it, so I caught the dog myself and took her over to the SPCA.
This was NOT my dog and I was just trying to make my neighborhood a safer place, but they charged me $110 to drop the dog off with them. I was outraged. The kept telling me it was a donation, but it was mandatory. Since when is a donation mandatory?? I won't have anything to do with them now.