Keller Williams was founded in 1983 and is the fastest growing Real Estate Company in the US. There are more than 77,000 agents and 677 market centers. The Annapolis office broker phone: 410-972-4000. We take great pride in providing state-of-the-art services at both buyer and seller transaction sites. They have won several JD Power quality awards. We are known for our education, coaching, technology, and positive family-centric business culture.