Joseph Dean & Son Woolen Mill, also known as NVF Company, Newark Fibre Plant, is a historic woolen mill located at Newark in New Castle County, Delaware. The property includes seven contributing buildings and one contributing site. The oldest mill structure is a four-story stone structure with a corbelled brick cornice and flat roof. It is approximately 200 feet (61 m) by 62 feet (19 m) and has a brick fifth story over half its length.
It was added to the National Register of Historic Places in 1982.
The former woolen mill has been extensively renovated and converted to residential apartments and business offices. The buildings are in very good condition.