Hi --
I just registered so that I could respond to you -- so I haven't made my formal introduction yet, but anyway . . .
I am in Gaithersburg, MD. I called our city's Animal Control Division before deciding to get our chickens. They sent us all the rules: Limit = 6, no roosters, 5 feet from lot line, 30 feet from other dwellings. Great. Got the chicks, raised them, built a coop and run in keeping with the rules. Moved our 8 week chicks outside -- boom. Complaint. It seems Animal Control left out the ZONING rules of 25 feet from lot line and 75 feet from dwelling! !!!
So . . . beware. Our lot is about the size of yours -- I'm not sure there IS a place on our lot that will conform to the zoning laws now. I could just scream. We will fight it, but what a headache.
Good luck.