The town of Ellicott has 2 major zones, from what the code enforcement officer said. Residential and then residential/agricultural. We are the LAST street of residential! We back up to the woods and have an acre. The neighbors across the street have 35 acres! And no chickens. It is silly. The minute you get past our street, the zoning is residential/agricultural and you can have chickens.Have you considered applying for a Variance? I also suggest you get what you were told in writing to be sure what he says is correct. It has to be published somewhere, I would think. Check to see what you're "Zoned". There are a number of properties on the map that appear to cross over from one type of zoning into a different type of zoning. Specifically "Agricultural Residential. I don't know your address but you might find a loop hole.
http://www.townofellicott.com/images/stories/misc_PDFs/zoningmaps.pdf