1. Check the Southgate City Code: This is the official set of laws for the city. You can likely find this online on the city's website or at the city hall.
2. Contact the Southgate Animal Control: They will be able to give you the most up-to-date information on local pet ordinances. You can find their contact information on the city website or in the phone book.
It's important to note that even if ferrets are legal in general, there may be specific requirements regarding housing, licensing, or vaccination.