Deacon John Grave Foundation Deacon John Grave Foundation Historical Exhibits Incorporated in 1983 to save the Deacon John Grave House from destruction. Since that time the foundation has worked tirelessly to restore and preserve this unique structure. 581 Boston Post Road Madison State CT Zip 06443-0651 (203) 245-4798 deaconjohngrave.org eliasgrave@deaconjohngrave.org Contact listing ownerSend Message to listing owner Name Email Phone Number Message