The following is an index to property transfer deeds and party wall agreements recorded at the Suffolk County Deed Registry 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 |
| 29Aug1985 | Richard L. Jacobs, Ardeshir Neskoob, and Mikhail Gissin, trustees, 257 Marlborough Street Realty Trust | 257 Marlborough Street Condominium | 11879 | 77 |
| 01Jul1985 | Pierre L. de Bourgknecht | Barry P. Winer and Mikhail Gissin, trustees, 257 Marlborough Street Trust | 11700 | 306 |
| 03Jul1969 | Richard S. Gallagher and Agnes B. Gallagher, husband and wife | Pierre L. de Bourgknecht | 8295 | 23 |
| 28Oct1968 | Luykx Incorporated | Richard S. Gallagher and Agnes B. Gallagher, husband and wife | 8238 | 711 |
| 15Mar1957 | John Hollingdale | Luykx Incorporated | 7222 | 22 |
| 14Feb1957 | Second Bank-State Street Trust Company and Phillips Ketchum, executors of the will of Mabel Davis Post | John Hollingdale | 7217 | 52 |
| 05Jul1939 | Ralph G. Coburn, Jr. | Mabel D. Post | 5787 | 297 |
| 05Jul1939 | John R. Post and Mabel D. Post, husband and wife | Ralph G. Coburn, Jr. | 5787 | 295 |
| 30Jun1920 | Sarah W. Battelle, Seavey Battelle, Thomas P. Battelle (otherwise T. Parkman Battelle), and Helen E. B. Soutter, wife of James T. Soutter | John R. Post and Mabel D. Post, husband and wife | 4242 | 405 |
| 01Jun1886 | William L. Richardson | Susan P. Battelle, wife of Eugene Battelle | 1725 | 159 |
| 04Nov1885 | William Simes | William L. Richardson | 1700 | 180 |
| Transfers of Unimproved Land | ||||
| Date of Deed | Grantor | Grantee | Book | Page |
| 29Oct1885 | Commonwealth of Massachusetts (lot with 24 foot frontage) | William Simes | 1700 | 178 |
| Party Wall Agreements | ||||
| Date | Party One | Party Two | Book | Page |
| 11Jun1884 | William Simes (owner of 257 Marlborough) | Martha Anna White (owner of right to purchase lot at 259 Marlborough) | 1642 | 31 |
| 01Mar1883 (recorded 5Nov1885) | William Simes (owner of lot at 257 Marlborough) | Robert S. Bradley (owner of lot at 255 Marlborough) | 1700 | 177 |
| Party wall stipulations included in land transfer deeds | ||||
| Date | Party One | Party Two | Book | Page |
| 16Apr1884 (recorded 22Apr1884) | William Simes (owner of 257 Marlborough; sale of 6 inch strip of land with western half of party wall thereon, subject to party wall stipulations with respect thereto) | Martha Anna White, wife of James C. White (owner of right to purchase lot at 259 Marlborough; buyer of 6 inch stip of land between 257 Marlborough and 259 Marlborough) | 1634 | 376 |
| 22Mar1883 (recorded 22Apr1884) | Commonwealth of Massachusetts (6 inch strip of land, with proviso that the strip be re-sold to whomever purchases the lot to the west together with the western half of the party wall with 257 Marlborough thereon, subject to said buyer agreeing to party wall stipulations with respect thereto) | William Simes (owner of house at 257 Marlborough) | 1634 | 373 |