Henry Overnoiser House, 405 NW 15th St, Oklahoma City, OK 73103, US

Preservation Oklahoma, Incorporated, is the state's only private, nonprofit membership organization that is dedicated to promoting, supporting, and coordinating historic preservation activities throughout the state. Founded in 1992, Preservation Oklahoma is a Statewide Partner with the National Trust for Historic Preservation and works on joint projects with the Oklahoma Historical Society, State Historic Preservation Office ( SHPO ). The mission of Preservation Oklahoma is to promote historic preservation statewide. Preservation Oklahoma addresses this mission by:

Henry Overholser Mansion

Heritage Hills