The following is an index to property transfer deeds recorded at the Suffolk County Deed Registry and easements from the original land purchase until conversion of the building into condominiums. Mortgages, trust agreements, and other similar recorded documents are not included. This index is intended as a guide only; actual deeds should be reviewed for details.
| Transfers of Land and Buildings | ||||
| Date of Deed | Grantor | Grantee | Book | Page |
| 04May1988 | John Moran and Edgard Puente, trustees, 126 Commonwealth Avenue Realty Trust | 126 Commonwealth Condominium | 14715 | 112 |
| 26May1987 | H & P Associates Limited Partnership II and First American Development Corporation V, partners doing business as Lower Back Bay Associates | Edgard Puente and John Moran, trustees, 126 Commonwealth Avenue Realty Trust | 13781 | 261 |
| 07Feb1986 | L. L. Russell Corporation | H & P Associates Limited Partnership II and First American Development Corporation V, partners doing business as Lower Back Bay Associates | 12276 | 25 |
| 15Jan1986 | Walter J. Berzinskas | L. L. Russell Corporation | 12209 | 174 |
| 20May1977 | Ralph David Fraser, Charles David Libby, and Gerald G. Hitchcock, trustees, Trinity Trust | Walter J. Berzinskas and Otilia E. Berzinskas, husband and wife | 8954 | 636 |
| 08Jan1971 | Archie W. Legro | Ralph David Fraser, Charles David Libby, and Gerald G. Hitchcock, trustees, Trinity Trust | 8414 | 681 |
| 30Oct1950 | M. Bruce Baird Milne and Robert S. Milne | Archie W. Legro | 6649 | 464 |
| 01Jun1946 | Robert B. Milne, M. Bruce Baird Milne, and Robert S. Milne | M. Bruce Baird Milne and Robert S. Milne | 6230 | 38 |
| 28Sep1943 | Elmina T. Milne | Elmina T. Milne, Robert B. Milne, M. Bruce Baird Milne, and Robert S. Milne | 6060 | 78 |
| 22Jun1943 | S. Clifford Speed | Elmina T. Milne | 6041 | 273 |
| 25Feb1943 | Ellen W. Gray | S. Clifford Speed | 6027 | 315 |
| 27Nov1915 | Frank E. Peabody | Ellen W. Gray, wife of Francis Gray | 3922 | 334 |
| 26Nov1915 | May Baldwin (Confirmatory deed) | Frank E. Peabody | 3922 | 333 |
| 10Sep1915 | May Baldwin | Frank E. Peabody | 3906 | 198 |
| 22Sep1892 | Robert H. Gardiner and William W. White, trustees under the will of Elias Merwin | Henry C. Baldwin | 2086 | 321 |
| Transfers of Unimproved Land | ||||
| Date of Deed | Grantor | Grantee | Book | Page |
| 29Sep1871 | Commonwealth of Massachusetts | Elias Merwin | 1997 | 97 |
| Reciprocal easement: 126 Commonwealth grants to 128 Commonwealth an easement for a wall 1.5 feet wide and 22 feet long extending 10.5 inches east of the property line; 128 Commonwealth grants to 126 Commonwealth an easement extending 9.5 inches to the west of the property line extending 15 feet from the end of the above-referenced wall. | ||||
| Date | Party One | Party Two | Book | Page |
| 28Mar2004 | John P. Ryan, David O’Hearne, and Suzanne LeVine (trustees of the126 Commonwealth Avenue Condominium Trust) | Peter A. Roy and Leah Roy (owners of the condominiums at 128 Commonwealth) | 34832 | 341 |