Zoning in Westborough
14 zoning codes on the assessor file.
| Zone | Parcels | Median lot | Main use |
|---|---|---|---|
| R | 4,382 | 0.58 ac | Single Family Residential |
| IB | 230 | 3.22 ac | Single Family Residential |
| BA | 197 | 1.82 ac | Single Family Residential |
| BB | 145 | 0.25 ac | Two-Family Residential |
| M-1 | 114 | 1.84 ac | Vacant, Selectmen or City Council (Municipal) |
| C | 85 | 4.6 ac | Comm. Of Mass. (Other, non-reimbursable) |
| M | 52 | 3.73 ac | Dept. of Conservation and Recreation (DCR) - Division of Urban Parks and Recreation (non-reimbursable) |
| IA | 44 | 3.26 ac | Vacant, Conservation Organizations (Charitable Org.) |
| G-2 | 20 | 0.78 ac | Single Family Residential |
| MUD | 17 | 10.04 ac | Dept. of Mental Health (DMH) - Dept. of Mental Retardation |
| AA | 4 | 1.23 ac | Division of Fish and Game (DFW, formerly DFWELE), DFW Environmental Law Enforcement, Dept. of Environmental Protection (non-reimbursable) |
| AE | 1 | 17.9 ac | Automotive Vehicles Sales and Service |
| OTH | 1 | 0.94 ac | Charitable Services |
| WTR | 1 | 20.25 ac | Dept. of Conservation and Recreation (DCR) - Division of Water Supply Protection |