| 20 North Avenue – c. 1917 |
| From | To | Date | Book/Page | Notes |
| Waldo M. Thayer, Trustee Under the Will of Mary C. Claflin |
John H. Cunningham | 10/11/1913 | 002039/274 | |
| John H. Cunningham | John J. Harrington | 08/07/1914 | 002061/104 | Lot #3 on plan made by Henry W. Gaskill, July 1914; plan not found |
| John J. Harrington | Alice V. Smith | 04/21/1917 | 002129/493 | |
| Alice V. Smith | John C. Ripley | 09/05/1927 | 002448/191 | |
| John C. Ripley | Taeke P. Oppewal Jennie Oppewal |
09/10/1927 | 002448/190 | |
| Taeke P. Oppewal Jennie Oppewal |
Richard M. Grady Martha A. Grady |
02/12/1976 | 005891/049 |
Supporting Documents: