Coldwell Banker: A Hartwig Company is a Lancaster-based real estate agent company headed by relocation specialist Cherie Ginn. As the local office of Coldwell Banker Real Estate, it is part of a long tradition of assisting customers in purchasing or selling their homes. It offers a variety of properties, such as single-family units, condos, villas, and townhouses. It serves the Galveston, Kingwood, Missouri City, Houston, and Cypress areas. Coldwell Banker has over 3,000 offices situated in 49 locations worldwide.