Properties in Block 21
| Lot | Address | Type |
|---|---|---|
| 1 | 9 COLUMBIA ST | residential |
| 11 | 18 DECATUR ST | commercial |
| 12 | 20 & 22 DECATUR | residential |
| 2 | 7 COLUMBIA ST | residential |
| 3 | 5 COLUMBIA ST | residential |
| 4 | 3 COLUMBIA ST | residential |
| 5 | 1 COLUMBIA ST | residential |
| 6 | 9 CHURCH ST | residential |
| 7 | 7 CHURCH ST | residential |
| 8 | 3-5 CHURCH ST | residential |
| 9 | 1 CHURCH ST | commercial |