| Business | Phone |
| Northampton Assessors Office 212 Main St # 306, Northampton 1060 | (413) 587-1200 |
| Northampton Auditor 210 Main St # 7, Northampton 1060 | (413) 587-1205 |
| Northampton City Treasurer 210 Main St, Northampton 1060 | (413) 587-1276 |
| Northampton Treasurer 210 Main St # 5, Northampton 1060 | (413) 587-1297 |