Keller Williams is defined by a culture of agents who care about each other and are committed to having a positive impact on their clients and their communities. It is our mission to build careers worth having, businesses worth owning, lives worth living, experiences worth giving, and legacies worth leaving. In 2004, Keller Williams Coastal Realty opened its doors with the vision of being the real estate company of choice for agents and their customers in NH, ME, MA, and VT.