Breidenhart is a historic castle-like house built in 1894 by Samuel Leeds Allen and located at 255 East Main Street in Moorestown, New Jersey.

It was added to the National Register of Historic Places on December 22, 1977, for its significance in art, architecture, commerce, and music.

[4] In 1894, Samuel Leeds Allen, inventor of the Flexible Flyer sled, commissioned architect Walter Smedley to design his new residence.

In 1918, after Allen's death, the house was sold to Eldridge R. Johnson, founder and president of the Victor Talking Machine Company.

[3] The house is a two and one-half story stone building featuring Queen Anne architecture and a polygonal corner turret.