In and Out Social Club

In and Out Social Club is located in Trenton, Mercer County, New Jersey, United States. The building was built in 1893 and was added to the National Register of Historic Places on March 26, 1987. It was founded on September 2, 1889 for "social, intellectual, and recreative purposes." Its significance lies primarily in that the building was designed and built specifically for a social club based in the community. It largely retains its original appearance.