Here is the USA Today article online related to setting ordinances in various cities for teardowns, McMansions, and Hummer Homes.
Attached is the West Austin Neighborhood Group (WANG) in Austin, TX McMansion Ordinance from their website.
Listed below are documents, to either download or view in your web browser, relating to Land Use reviews in Maplewood. You can find detailed information describing what the different types mean at PortlandOnline.
5147 Maplewood Road Type II (1.19 MB pdf file)5525 SW Florida Street Type II (563 KB pdf file)4500 Block SW Caldew Type II (4.24 MB pdf file)
6917 SW 49th Type III (180 KB pdf file)4534 SW Vermont Type III (147 KB pdf file)