Kayla, Contact the New York Office of Parks, Recreation & Historic Preservation for guidance (http://nysparks.com/shpo/) if you haven't already. This is something that they've plenty of experience in dealing with and can advise you and the homeowners on the best way to preserve the house against undesirable changes using easements and other legal tools. Martha Katz-Hyman Curator Jamestown-Yorktown Foundation Williamsburg, VA ========================================================= Important Subscriber Information: The Museum-L FAQ file is located at http://www.finalchapter.com/museum-l-faq/ . You may obtain detailed information about the listserv commands by sending a one line e-mail message to [log in to unmask] . The body of the message should read "help" (without the quotes). If you decide to leave Museum-L, please send a one line e-mail message to [log in to unmask] . The body of the message should read "Signoff Museum-L" (without the quotes).