Century 21 Seago is the most experienced Century 21 agency in the greater Phoenix area, opening in 1982. Since 2002 we have earned more annual Century 21 Office Awards than any other Century 21 office in the greater Phoenix Metro area. In fact we have received the highest Quality Service award for Century 21, the Century 21 Pinnacle Office Award for 2005, 2006, 2007, 2008, 2009, 2010, & 2011....