I would worry more about the

[Aecetia]

I would worry more about the predators eating your hens than the HOA not allowing they. There are a lot of coyotes and other small predators that will want to have chicken dinner. The coop should be very predator proof.

Here’s the article I read about other cities looking at allowing chickens.
http://www.signonsandiego.com/news/metro/20080609-9999-1m9fowl.html