| Business | Phone |
| Montclair Business Licenses 5111 Benito St, Montclair 91763 | (909) 625-9423 |
| Montclair City Council 5111 Benito St, Montclair 91763 | (909) 625-9401 |
| Montclair City Personnel Dept 5111 Benito St, Montclair 91763 | (909) 625-9404 |
| Montclair City Yard 10835 Monte Vista Ave, Montclair 91763 | (909) 625-9465 |
| Montclair Computer Svc Dept 5111 Benito St, Montclair 91763 | (909) 625-9410 |
| Neighborhood Partnership Hsng 9916 Central Ave, Montclair 91763 | (909) 624-9110 |