[3] The Trust works with the individual houses to restore and promote the houses as a means of educating residents and visitors about the social, economic and political history of New York City and cast urban history in a new light.
[4] The Trust includes 23 historic sites, with 18 operating as museums and attracting 729,000 annual visitors.
[2] Download coordinates as: The Historic House Trust includes properties in each of New York City's five boroughs,[5] and there is a house for every period in the City's history, depending on one's scheme of dividing history.
[4] A number of the properties have live-in caretakers to help prevent vandalism and other problems.
[12] HHT's passport program was brought back in 2008 as a method of commemorating the Trust's 20th anniversary.