Construction & Design FeaturedExtell unveils plan for 400,000 s/f medical office building on Upper East SideREWOctober 27, 2021October 27, 2021 by REWOctober 27, 2021October 27, 202103067 Extell Development Company has announced it will be developing the first Class A medical office building on Manhattan’s Upper East Side at 403 East 79th Street. Located