The other two homes listed on the National Register of Historic Places in Polo are the Henry D. Barber House and the Bryant H. and Lucie Barber House. The McGrath House joined the Register in 1996.
In addition to the Henry D. Barber House and the Bryant H. and Lucie Barber House, which are both listed on the National Register of Historic Places in Polo, the McGrath House was added to the register in 1996.