Our dog policies are mostly basic for dog owners to control their dogs, get them immunized, and have papers and vet information on file, and don't let dogs annoy others. Recently a few dog owners are overstepping what should be reasonable for a given situation. The laws across the USA vary greatly State by State, but generally no dogs in restaurants except service dogs. Every dog is not a service dog.
Falls are a major cause of injury, disability, and physical decline in the elderly. Your risk management officer should be on top of this one. This needs to go to your resident's council or resident governing body due to the danger involved.