| Name | Address | Town | ST | Zip | Phone | Fax | Email |
| Board of Commissioners | 14 Main Street | Newport | NH | 03773 | (603) 863-2560 | (603) 863-9314 | EMAIL |
| Claremont District Court | 1 Police Ct. | Claremont | NH | 03743 | (603) 542-6064 | | |
| Conservation Department | 24 Main Street | Newport | NH | 03773 | (603) 863-4297 | (603) 863-4730 | EMAIL |
| Cooperative Extension | 24 Main Street | Newport | NH | 03773 | (603) 863-9200 | (603) 863-4730 | EMAIL |
| County Administrator | 14 Main Street | Newport | NH | 03773 | (603) 863-2560 | (603) 863-9314 | EMAIL |
| County Attorney Office | 14 Main Street | Newport | NH | 03773 | (603) 863-7950 | (603) 863-0015 | EMAIL |
| County Facilities & Operations | 5 Nursing Home Drive | Claremont | NH | 03743 | (603) 542-9511 | (603) 542-2898 | EMAIL |
| Department Of Corrections | 103 County Farm Road | Claremont | NH | 03743 | (603) 542-8717 | (603) 542-4311 | EMAIL |
| Human Resource Department | 5 Nursing Home Drive | Claremont | NH | 03743 | (603) 542-9511 | (603) 542-9314 | EMAIL |
| Human Services Department | 5 Nursing Home Drive | Claremont | NH | 03743 | (603) 542-9511 | (603) 542-2829 | EMAIL |
| Nursing Home | 5 Nursing Home Drive | Claremont | NH | 03743 | (603) 542-9511 | (603) 542-9314 | EMAIL |
| Registry of Deeds | PO Box 448 | Newport | NH | 03773 | (603) 863-2110 | (603) 863-0013 | |
| Sheriff's Office | PO Box 27 | Newport | NH | 03773 | (603) 863-4200 | (603) 863-0012 | EMAIL |
| Sullivan County Treasurer | 14 Main Street | Newport | NH | 03773 | (603) 863-2560 | (603) 863-9314 | EMAIL |
| Superior Court | 22 Main Street | Newport | NH | 03773 | (603) 863-3450 | | |
| Newport District Court | 55 Main Street | Newport | NH | 03773 | (603) 863-1832 | | |
| Parents as Teachers | 169 Main Street Suite 220 | Claremont | NH | 03743 | (603) 543-4295 ext.2 | | EMAIL |
| Probate Court | PO Box 417 | Newport | NH | 03773 | (603) 863-3150 | | |
| Public Health Network | 5 Nursing Home Drive | Claremont | NH | 03743 | (603) 398-2222 | (603) 542-2829 | EMAIL |
Strengthening Families Program Co-Program Directors: Gail Kennedy & Nancy Berry | | | | | (603) 863-9200 | | EMAIL Gail EMAIL Nancy |
| Strategic Prevention Framework | 23 Main Street | Newport | NH | 03773 | (603) 477-5565 | | EMAIL |
| Victim Witness Program | 14 Main Street | Newport | NH | 03773 | (603) 863-3150 | (603) 863-0015 | |