421 N 31st St, Allentown, PA 18104 is on the street of N 31st St, in the city of Allentown, Pennsylvania. It is in the zip code of PA 18104.

421 N 31st St, Allentown, PA 18104 is a Single Family home.
It has 4 bedrooms, 3 bathrooms, proximately 1,902 square feet floor size, 0.29 acres square feet lot size.
It was built in 1961. It was last sold in Apr 1999 for $141,500.