Mary Posner

Mary Posner is a seasoned real estate professional with over a decade of experience helping clients buy and sell homes across Chicago’s North Shore and downtown. Licensed since 2001 and E-Pro certified, Mary brings a full-service approach to every transaction, working seamlessly with both buyers and sellers.
Having lived in Glencoe, Winnetka, Kenilworth, Evanston, and now Wilmette—where she and her husband raised their four children—Mary offers unmatched local insight. Her deep familiarity with the area’s schools, parks, transportation, and community amenities helps clients find neighborhoods that truly feel like home.
Mary’s background in project management and her commitment to clear, consistent communication ensure a smooth, stress-free process. She educates buyers on every step of the journey and expertly markets homes for sellers, always keeping clients informed to avoid surprises.
Whether you're buying, selling, or exploring your options, Mary Posner is dedicated to helping you make confident, informed decisions.