Cambridge, MA zoning districts
What each zoning code in Cambridge stands for, read from the town's own adopted regulations. Every parcel we list carries one of these codes; this is where you check what it permits.
| Code | District | Type | Parcels | Opportunities | Our reading |
|---|---|---|---|---|---|
| C-1 | —the zone you clicked | None | 4,992 | 1,287 | Multi-family |
| B | —the zone you clicked | None | 4,040 | 1,493 | Multi-family |
| C | —the zone you clicked | None | 892 | 215 | Multi-family |
| A-2 | —the zone you clicked | None | 648 | 0 | Unclear |
| BA | —the zone you clicked | None | 487 | 32 | Multi-family |
| A-1 | —the zone you clicked | None | 347 | 0 | Single Family |
| C-2 | —the zone you clicked | None | 218 | 17 | Multi-family |
| BA-2 | —the zone you clicked | None | 147 | 0 | Unclear |
| O-1 | —the zone you clicked | None | 139 | 0 | Unclear |
| BA-1 | —the zone you clicked | None | 122 | 15 | Multi-family |
| C-3 | —the zone you clicked | None | 122 | 0 | Unclear |
| C-1A | —the zone you clicked | None | 106 | 9 | Multi-family |
| BB-CSQ | —the zone you clicked | None | 101 | 0 | Unclear |
| BB-HSQ | —the zone you clicked | None | 89 | 0 | Single Family |
| OS | —the zone you clicked | None | 88 | 0 | Single Family |
| BA-3 | —the zone you clicked | None | 83 | 9 | Multi-family |
| C-2B | —the zone you clicked | None | 77 | 9 | Multi-family |
| SD-9 | —the zone you clicked | None | 55 | 7 | Multi-family |
| C-2A | —the zone you clicked | None | 52 | 6 | Multi-family |
| IA-1 | —the zone you clicked | None | 38 | 0 | Unclear |
| BC | —the zone you clicked | None | 37 | 0 | Unclear |
| O-3 | —the zone you clicked | None | 32 | 0 | Unclear |
| IB-2 | —the zone you clicked | None | 30 | 0 | Single Family |
| CRDD | —the zone you clicked | None | 28 | 0 | Unclear |
| SD-8 | —the zone you clicked | None | 26 | 0 | Single Family |
| IB | —the zone you clicked | None | 23 | 0 | Unknown |
| SD-2 | —the zone you clicked | None | 23 | 0 | Unknown |
| MXD | —the zone you clicked | None | 22 | 0 | Unknown |
| PUD-6 | —the zone you clicked | None | 20 | 0 | Unknown |
| O-2A | —the zone you clicked | None | 19 | 0 | Unknown |
| PUD-3 | —the zone you clicked | None | 19 | 0 | Unknown |
| SD-10 | —the zone you clicked | None | 19 | 0 | Unknown |
| O-2 | —the zone you clicked | None | 18 | 0 | Unknown |
| C-3B | —the zone you clicked | None | 17 | 0 | Unknown |
| PUD-4B-B | —the zone you clicked | None | 17 | 0 | Unknown |
| SD-6 | —the zone you clicked | None | 16 | 0 | Unknown |
| SD-8A | —the zone you clicked | None | 15 | 0 | Unknown |
| PUD-4 | —the zone you clicked | None | 14 | 0 | Unknown |
| SD-14A | —the zone you clicked | None | 11 | 0 | Unknown |
| PUD-4B-I | —the zone you clicked | None | 9 | 0 | Unknown |
| SD-1 | —the zone you clicked | None | 9 | 0 | Unknown |
| SD-4 | —the zone you clicked | None | 9 | 0 | Unknown |
| BB-1 | —the zone you clicked | None | 6 | 0 | Unknown |
| PUD-2 | —the zone you clicked | None | 6 | 0 | Unknown |
| SD-11 | —the zone you clicked | None | 6 | 0 | Unknown |
| SD-14B | —the zone you clicked | None | 6 | 0 | Unknown |
| PUD-1 | —the zone you clicked | None | 5 | 0 | Unknown |
| BB-2 | —the zone you clicked | None | 4 | 0 | Unknown |
| PUD-KS | —the zone you clicked | None | 4 | 0 | Unknown |
| SD-4A | —the zone you clicked | None | 4 | 0 | Unknown |
| SD-5 | —the zone you clicked | None | 3 | 0 | Unknown |
| SD-7 | —the zone you clicked | None | 3 | 0 | Unknown |
| IA | —the zone you clicked | None | 2 | 0 | Unknown |
| IA-2 | —the zone you clicked | None | 2 | 0 | Unknown |
| PUD-5 | —the zone you clicked | None | 2 | 0 | Unknown |
| SD-15 | —the zone you clicked | None | 2 | 0 | Unknown |
| SD-3 | —the zone you clicked | None | 2 | 0 | Unknown |
| IB-1 | —the zone you clicked | None | 1 | 0 | Unknown |
| PUD-4A | —the zone you clicked | None | 1 | 0 | Unknown |
| SD-12 | —the zone you clicked | None | 1 | 0 | Unknown |
| SD-13 | —the zone you clicked | None | 1 | 0 | Unknown |
| SD-14C | —the zone you clicked | None | 1 | 0 | Unknown |
Our reading is derived from what is actually built in each district today, not from the code string — a code like R-15 means different things in different Connecticut towns. It is an estimate, and the regulations linked above are the authority.