CENTURY 21 Gold was founded in the summer of 2011 as a result of 2 local real estate companies (CENTURY 21 Advance Realty and ... CENTURY 21 Call First) merging together to form one of Berks County’s biggest real estate companies. Now located in Wyomissing across the street from Mission Barbecue and the Crowne Plaza, we are the #1 CENTURY 21 Office for sold homes from 2012-2017. read more