Housing to Separate Breeds of Chickens

by Ginny
(Happy Valley, CA)

I'm looking for suggestions on coop/yard plans to keep the chicken breeds separate.

We have a small farm I suppose you'd call it, in northern Calif. I grew up w/ chickens.. but 2 years ago my eyes were opened to the many different breeds of chickens and I'm hooked. I especially want to breed the endangered types of chickens, but we also want to have this as a small business.
I currently have 5 specific high quality breeds and Silkies, and then a flock of "mixed" chickens from when we first began. Forgot to mention I have 4 peacocks in their own 2 story huge aviary, 4 turkeys and 8 guineas.
We love our chickens and incubate eggs successfully, currently having more "special" eggs in our incubator now! Which brings me back to my question.
We are building as we go.. but I really need to get a handle on this, and would like some good suggestions especially now when everywhere there are chickens is complete mud!