Try posting on your state thread and ask them:
https://www.backyardchickens.com/t/270925/find-your-states-thread
This article may be helpful too:
https://www.backyardchickens.com/a/chicken-laws-and-ordinances-and-how-to-change-them
It probably would have been a good idea to find out before you got your chickens. If they aren't allowed, fines can be hefty and then there's the disappointment of having to give them up.
