Mouns Jones House, also known as the Old Swede's House, is a historic home located in Douglassville, Amity Township, Berks County, Pennsylvania. It was built in 1686, and is a 2 1/2-story, three bay, stone dwelling. It measures 24 ft (7.3 m) by 30 ft (9.1 m) and features a brick chimney for a large, 9 ft (2.7 m) kitchen fireplace. It is the oldest surviving house in Berks County and one of the few remaining examples of a Swedish settler's dwelling. The house was restored by the Historic Preservation Trust of Berks County. It is open to the public periodically during the year as part of the Morlatton Village historic site.