Dr. Joseph P. and Effie Porth House, also known as the William Porth House and Colonial Tea Room, is a historic home located at Jefferson City, Cole County, Missouri. The original building was built between 1827 and 1842, and the mansard roof was added between 1885 and 1888. It is a square two-story limestone house with partial walkout basement on the front facade. It features a bracketed cornice and an iron balcony between the basement and first floor. The house became a restaurant known as the Colonial Tea Room in the 1930s before it was sold to the Jefferson City Housing Authority in 1970.https://jeffersoncitymag.com/memory-lane-william-porth-house/
It was listed on the National Register of Historic Places in 2001.
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