Epic Keto The first question to reply to is are ferrets legal pets in live and when so, must they be licensed? The local government animal services must be able inform you. Good news, Hillsborough, Pasco, and Pinellas: Ferrets are allowable! They must be vaccinated for rabies by four months, and when they must be licensed. Your veterinarian can help you with the paperwork it is far more get the rabies vaccine. You should take your ferret towards veterinarian for vaccines and checkups regardless what the law may have neglected to inform you.