District law requires that all cats and dogs over four months old be vaccinated for rabies and distemper.  District law requires that all owners license their dogs, and that all dogs wear their license tags.

To help residents comply with the law, the Animal Disease Prevention Division offers annual free vaccination clinics throughout the city.  During the 2007clinics in May and June, one hundred seventy-four (174) vaccinations were given to dogs and cats.  DC dog licenses are also available for sale at the