The Chester Village Historian is Lorraine Hom, 47 Main Street, Chester, NY 10918, phone: 845-469-2388.
The Chester Historical Society maintains an archive of items related to the Chester community and operates the 1915 Erie Station, Chester’s Local History Museum at 19 Winkler Place, in downtown Chester. They also contribute items to the Hudson River Valley Digital Heritage Project.
Sugar Loaf Historical Society hosts a website about Sugar Loaf.
The Orange County Historian, Ted Sly, 101 Main Street, Goshen, NY 10924, Phone: (845) 291-2388, Fax: (845)291-2027 has a wealth of countywide history and contacts.
Orange County Genealogical Society, 101 Main Street, Goshen, NY 10924 has a tremendous amount of genealogical material.
The New York State Office for Historic Preservation tracks survey data on more than 250,000 properties in the state including Chester.