The Dr. Samuel D. Mercer House was built in 1885 in the historic Walnut Hill neighborhood of Omaha, Nebraska, United States.

Samuel Mercer was the chief surgeon of the Union Pacific Railroad, and the founder of Omaha's first hospital.

[2] A grand 23-room red brick mansion built in the Queen Anne style, the key feature of the home is a three-story square tower that rises above the south side main entrance.

[3] The house has been subdivided into apartments and much of the elaborate Victorian trim was removed in 1926.

This article about a National Register of Historic Places listing in Omaha, Nebraska is a stub.