Clam Shell HouseGustav Osterburg (1885-1942)
About the Artist/Site
Gustav Osterburg was born Germany in 1885 and spent his formative years on his family’s farm. He immigrated to the United States around 1913, at first settling in Newark, New Jersey, where he married. In 1919, he went to work a tire plant in Milltown, New Jersey, and moved with his family to nearby Spotswood.
The factory job did not last long. Around 1921, Osterburg started a seafood delivery business and began raising poultry on his Spotswood property. He built the farm structures he needed, using secondhand lumber and wire-and-cement-covered glass bottles. Around 1926, when his growing family needed larger accommodations, Osterburg built an addition to the main house, using cement blocks. He then applied wet cement to the exterior walls, and covered them completely with thousands of clamshells saved from his seafood business. Construction and decoration took about five years.
Neighbors and customers visited Osterburg’s shell-covered house, but he sought a larger audience. In May 1932, he wrote to Robert Ripley, whose “Believe It Or Not!” cartoons were then appearing in 300 newspapers in the United States and 40 countries worldwide. Osterburg enclosed a photograph of his son, Chris, standing in front of his creation, and Ripley used it to create a cartoon for his column. It appeared in newspapers on June 14, 1932, and soon visitors were making their way to Spotswood, New Jersey.
Ten years later, Gustav Osterburg died. In 1944, his family sold most of the farm’s grounds and structures, including the Clam Shell House. By the 1960s, when Chris Osterburg returned to the property, the house was gone.
~Holly Metz
Materials
cement, clam shells
SPACES Archives Holdings
1 folder: images
Map & Site Information
219 Willard Clark Cir
Spotswood, New Jersey, 08884
us
Latitude/Longitude: 40.3913666 / -74.397852
Non Extant
219 Willard Clark Cir, Spotswood, New Jersey, 08884, United States
begun 1926
Nearby Environments
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Comments
Barbara Osterburg Bischoff January 28, 2026
This was my grandfather’s property. I had no knowledge of visitors to the farm or the newspaper article. My father was Gustav Christian (the Chris mentioned in the photo.) That photo had been kept in a book sent to my grandfather from Ripley. There was a fire in the 60’s. The announcement came over the plectron as the old Osterburg residence (even thought our family had not been there for many years. My father and I drove out, but could not see anything, because there was no one there and my father would not enter the property without the owners present. I would be interested in knowing how the story got published here. Most of it is very accurate.