Growth of Octavia Hill Association, 1896–1916Returns on the Four Oldest PropertiesCharacter and Growth of Agency Properties
| Properties | No. Families |
| Year | Total | Old | New | One Family | Two Family | Tenement | Total | One | Two | More than two |
| 1898 | 17 | 17 | | 17 | | | 17 | 17 | | |
| | 29 | 29 | | 25 | | 3 | 49 | 25 | 2 | 22 |
| | 29 | 29 | | 25 | 1 | 3 | 49 | 25 | 2 | 22 |
| | 37 | 37 | | 26 | 3 | 8 | 89 | 26 | 6 | 57 |
| | 43 | 43 | | 31 | 3 | 9 | 101 | 31 | 6 | 64 |
| | 64 | 63 | 1 | 42 | 8 | 14 | 177 | 42 | 16 | 119 |
| | 79 | 78 | 1 | 54 | 10 | 15 | 209 | 54 | 20 | 135 |
| | 104 | 103 | 1 | 79 | 10 | 15 | 234 | 79 | 20 | 135 |
| | 120 | 117 | 3 | 88 | 11 | 21 | 287 | 88 | 22 | 177 |
| 1907 | 120 | 117 | 3 | 88 | 11 | 21 | 287 | 88 | 22 | 177 |
| | 145 | 142 | 3 | 111 | 13 | 21 | 321 | 111 | 26 | 184 |
| | 176 | 173 | 3 | 140 | 15 | 21 | 357 | 140 | 30 | 187 |
| | 182 | 178 | 4 | 143 | 16 | 23 | 346 | 143 | 32 | 171 |
| | 179 | 175 | 4 | 140 | 16 | 23 | 343 | 140 | 32 | 171 |
| | 181 | 177 | 4 | 141 | 14 | 26 | 386 | 141 | 28 | 217 |
| | 189 | 185 | 4 | 141 | 13 | 32 | 392 | 141 | 26 | 222 |
| 1914 | 210 | 206 | 4 | 168 | 11 | 37 | 435 | 168 | 22 | 251 |
| 1915 | 220 | 210 | 4 | 170 | 11 | 39 | 451 | 170 | 22 | 259 |
| 1916 | 228 | 214 | 13 | 172 | 18 | 38 | 464 | 172 | 36 | 256 |