Just because the tenant is disabled and is housing a service animal does not necessarily excuse the animal from abiding by normal behavioral rules. There may be situations where the tenant’s disability prevents the tenant from causing the dog to behave well (a blind tenant cannot pick up after the dog – a deaf tenant may not be able to hear the dog barking) and reasonable accommodations may have to be made. However, absent those types of accommodations, a service animal can be fully expected to comply with normal pet rules at your property.