Dr. Joseph P. and Effie Porth House

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.

It was listed on the National Register of Historic Places in 2001.