Avalon Mamaroneck, a 229-unit apartment community at 746 Mamaroneck Ave. in Mamaroneck has been sold for $103.7 million, according to a document filed with the Westchester County Clerk’s Office. The sale that occurred Oct. 31 transferred the property from AvalonBay Communities Inc. to CF Multifamily Westchester DST. AvalonBay Communities has an address in Arlington, Virginia, […]