Properties in Block 420
| Lot | Address | Type | |
|---|---|---|---|
| 16 | 600 RIVER AVENUE | vacant land | |
| 16/X | 600 RIVER AVENUE | church or charitable property | |
| 17 | 596 RIVER AVENUE | commercial | |
| 18 | 101 PROSPECT STREET | commercial | |
| 20 | PROSPECT STREET | church or charitable property | |
| 21.03 | 97 WILLIAMS STREET | residential | |
| 21.04 | 99 WILLIAMS STREET | residential | |
| 21.05 | 101 WILLIAMS STREET | residential | |
| 21.06 | 103 WILLIAMS STREET | residential | |
| 23.02 | 105 WILLIAMS STREET | residential | |
| 23.03 | 107 WILLIAMS STREET | residential | |
| 23.04 | 109 WILLIAMS STREET | residential | |
| 23.05 | 111 WILLIAMS STREET | residential | |
| 23.06 | 113 WILLIAMS STREET | residential | |
| 23.07 | 115 WILLIAMS STREET | residential | |
| 24.01 | 93 WILLIAMS STREET | residential | |
| 24.02 | 95 WILLIAMS STREET | residential | |
| 30 | 199 PROSPECT STREET | church or charitable property | |
| 31 | 91 WILLIAMS STREET | church or charitable property | |
| 32 | 93 PROSPECT STREET | church or charitable property | |
| 33 | RIVER AVE | vacant land | |