Somerville, MA zoning districts
What each zoning code in Somerville 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 |
|---|---|---|---|---|---|
| NR | —the zone you clicked | None | 13,374 | 2,199 | Multi-family |
| UR | —the zone you clicked | None | 2,273 | 103 | Multi-family |
| MR4 | —the zone you clicked | None | 472 | 0 | Unclear |
| MR3 | —the zone you clicked | None | 379 | 0 | Unclear |
| MR5 | —the zone you clicked | None | 273 | 6 | Multi-family |
| FAB | —the zone you clicked | None | 232 | 0 | Unclear |
| RA | —the zone you clicked | None | 183 | 0 | Unclear |
| RB | —the zone you clicked | None | 173 | 0 | Unclear |
| ASMD | —the zone you clicked | None | 161 | 0 | Unclear |
| CIV | —the zone you clicked | None | 157 | 0 | Single Family |
| HR | —the zone you clicked | None | 106 | 0 | Unclear |
| CB | —the zone you clicked | None | 95 | 0 | Unclear |
| RC | —the zone you clicked | None | 87 | 0 | Unclear |
| CI | —the zone you clicked | None | 85 | 0 | Single Family |
| CC4 | —the zone you clicked | None | 49 | 0 | Single Family |
| TU | —the zone you clicked | None | 42 | 0 | Single Family |
| CBD | —the zone you clicked | None | 36 | 0 | Unclear |
| MR6 | —the zone you clicked | None | 34 | 0 | Multi-family |
| NA | —the zone you clicked | None | 20 | 0 | Unknown |
| NB | —the zone you clicked | None | 17 | 0 | Unknown |
| CC5 | —the zone you clicked | None | 16 | 0 | Unknown |
| BA | —the zone you clicked | None | 4 | 0 | Unknown |
| BB | —the zone you clicked | None | 3 | 0 | Unknown |
| TOD100 | —the zone you clicked | None | 3 | 0 | Unknown |
| TOD135 | —the zone you clicked | None | 3 | 0 | Unknown |
| CC3 | —the zone you clicked | None | 2 | 0 | Unknown |
| CCD55 | —the zone you clicked | None | 2 | 0 | Unknown |
| UC | —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.