Professionalism is key. Yvonne Johnson is a professional real estate agent who works with home buyers, home sellers, landlords and tenants. She serves the Southern Maryland counties of Charles, Calvert, St. Mary's and Prince George's. However, Yvonne occasionally travels to other parts of Maryland to assist special clients.Since joining Long & Foster's Waldorf Office in 2002, Yvonne has helped her clients successfully navigate the constantly chan... Show more