|The John Moore Lazenby House is significant under National Register Criterion C at the local level in the area of architecture as an excellent example of an antebellum Plantation Plain-type house that retains its historic design, craftsmanship, and materials. Plantation-plain houses are two-stories tall, two-rooms wide, one-room deep, and covered with a side-gable roof. Shed roofs usually cover the one-story front porch and the rear range of rooms across the back. This house type is a variant of an 1-house, which can be found in every state in the eastern United States, and though details vary from region to region, the form remains constant. Most I-houses were built between 1790 and 1850. In Georgia, the few surviving Plantation-Plain houses were built between 1820 and 1850 in the Piedmont and Coastal Plain regions.