 In 1977, the building (now known as the Seipsville Inn) was added to the National Register of Historic Places due to the significance of its architecture and engineering.The township started to experience major growth after World War I and World War II as part of a general trend of population movement from nearby cities to the suburbs.In the early 1920s, subdivision activity along inter-city trolley lines led to a building spurt in Palmer Township, which doubled the population within 10 years.