The New York Landmarks Conservancy is a non-profit organization "dedicated to preserving, revitalizing, and reusing" historic structures in New York state.

It provides technical and financial skills to owners of historic properties.

[1] In the half century since its 1973 founding, the conservancy has provided more than $60 million in grants and loans.

[1] Since its founding in 1973, the organization has loaned and granted more than $60 million in more than 1,300 restoration projects throughout New York.

[2][3] Its restoration projects include the Alexander Hamilton U.S.