| Business | Phone |
| Westminster City Offices 56 W Main St, Westminster 21157 | (410) 876-6322 |
| Westminster Family Ctr 11 Longwell Ave, Westminster 21157 | (410) 751-5501 |
| Westminster Housing Office 56 W Main St, Westminster 21157 | (410) 848-2261 |
| Westminster Maintenance Bldg 105 Railroad Ave, Westminster 21157 | (410) 848-9077 |
| Westminster Planning Dept 1838 Emerald Hill Ln, Westminster 21157 | (410) 848-9002 |
| Westminster Wastewater Trtmnt 1161 Old New Windsor Pike, Westminster 21158 | (410) 848-4380 |