Since 1948, Preservation Long Island has advocated for historic preservation on Long Island. We offer a variety of programs and services to promote greater understanding and appreciation of Long Island’s past. These activities include providing technical and advisory services through direct consultation, maintaining an Endangered Historic Places list, recognizing excellence through Awards, developing Special Reports, organizing Preservation in Progress events, and publishing our Preservation Notes newsletter and Blog.

Advisory and Technical Support

Preservation Long Island’s advisory and technical services help advance preservation in communities across the region. We offer strategic guidance to Long Islanders in support of local preservation projects, including historic resource surveys, local landmark designation, National Register listing, and restoration or adaptive reuse of historic buildings. Contact our Preservation Director to learn more.

Ways to Preserve & Protect Long Island’s Historic Places

The first step towards protecting historic structures and sites is to recognize their historic value. According to federal guidelines for listing on the National Register of Historic Places, a property is historically significant when it demonstrates an association to:

  • broad patterns of history
  • the lives of significant people
  • the distinctive characteristics of an architectural building type or period and/or accomplishments of high artistic value
  • something that has yielded or may be likely to yield, information important in prehistory or history

The following designations can help preserve and protect historic resources: