| Business | Phone |
| 911 Addressing Dept 175 Arsenal St, Watertown 13601 | (315) 785-3280 |
| Downtown Development Office 245 Washington St, Watertown 13601 | (315) 785-8650 |
| Employment & Training Adm 1222 Coffeen St, Watertown 13601 | (315) 786-7663 |
| Honorable Hugh A Gilbert 317 Washington St, Watertown 13601 | (315) 785-7912 |
| Honorable Kim Martusewicz 163 Arsenal St, Watertown 13601 | (315) 785-3010 |
| Jefferson Cnty Fire Coordinatr 753 Waterman Dr, Watertown 13601 | (315) 786-2654 |
| Jefferson Cnty Human Resources 175 Arsenal St # 2, Watertown 13601 | (315) 785-3147 |
| Jefferson Cnty Mental Hygiene 161 Clinton St, Watertown 13601 | (315) 779-1507 |
| Jefferson Cnty Recycling & Wst 27138 State Route 12, Watertown 13601 | (315) 785-9072 |
| Jefferson Cnty Sprme Ct Rprtr 317 Washington St # 10, Watertown 13601 | (315) 785-7914 |
| Jefferson Cnty Supreme Ct Jdg 317 Washington St, Watertown 13601 | (315) 782-9290 |
| Jefferson County Agricultural 21168 State Route 232, Watertown 13601 | (315) 782-1806 |
| Jefferson County Building Code 175 Arsenal St, Watertown 13601 | (315) 785-5130 |
| Jefferson County Data Proc 175 Arsenal St # 2, Watertown 13601 | (315) 785-3060 |
| Jefferson County Dog Warden 21897 County Route 190, Watertown 13601 | (315) 782-9179 |
| Jefferson County Elections 175 Arsenal St # 4, Watertown 13601 | (315) 785-3027 |
| Jefferson County Employment 1222 Coffeen St, Watertown 13601 | (315) 782-9252 |
| Jefferson County Emrgncy Mgmt 753 Waterman Dr, Watertown 13601 | (315) 785-3185 |
| Jefferson County Engineering 21897 County Route 190, Watertown 13601 | (315) 782-9174 |
| Jefferson County Insurance 175 Arsenal St, Watertown 13601 | (315) 785-3043 |
| Jefferson County Job Dev Corp 800 Starbuck Ave # 800, Watertown 13601 | (315) 782-5865 |
| Jefferson County Jurors Comm 195 Arsenal St, Watertown 13601 | (315) 785-3049 |
| Jefferson County Legislators 175 Arsenal St, Watertown 13601 | (315) 785-3075 |
| Jefferson County Maintenance 27138 State Route 12, Watertown 13601 | (315) 785-5137 |
| Jefferson County Maintenance 753 Waterman Dr, Watertown 13601 | (315) 785-5137 |
| Jefferson County Med Examiner 531 Meade St, Watertown 13601 | (315) 786-3755 |
| Jefferson County Mental Hygn 175 Arsenal St, Watertown 13601 | (315) 785-3283 |
| Jefferson County Motor Vehicle 175 Arsenal St, Watertown 13601 | (315) 785-3023 |
| Jefferson County Planning Dept 175 Arsenal St # 3, Watertown 13601 | (315) 785-3144 |
| Jefferson County Print Shop 175 Arsenal St # 3, Watertown 13601 | (315) 785-3025 |
| Jefferson County Public Dfndr 175 Arsenal St # 4, Watertown 13601 | (315) 785-3152 |
| Jefferson County Purchasing 175 Arsenal St # 205, Watertown 13601 | (315) 785-3077 |
| Jefferson County Records Mgmt 175 Arsenal St, Watertown 13601 | (315) 785-5149 |
| Jefferson County Safety Office 175 Arsenal St, Watertown 13601 | (315) 785-3003 |
| Jefferson County Security 175 Arsenal St, Watertown 13601 | (315) 785-3090 |
| Jefferson County Surrogates Ct 175 Arsenal St # 7, Watertown 13601 | (315) 785-3019 |
| Jefferson County Treasurer's 175 Arsenal St, Watertown 13601 | (315) 785-3055 |
| Jefferson County Veteran's Svc 250 Arsenal St, Watertown 13601 | (315) 785-3086 |
| Jefferson County Weights & Msr 21915 County Route 190, Watertown 13601 | (315) 786-1094 |
| Jefferson County Youth Bureau 175 Arsenal St # 103, Watertown 13601 | (315) 785-3382 |
| Jefferson Fire & Ems Trng 753 Waterman Dr, Watertown 13601 | (315) 785-5450 |
| Jefferson Fire & Ems Trng Swan Rd, Watertown 13601 | (315) 785-5450 |
| Watertown Industrial Center 800 Starbuck Ave # 800, Watertown 13601 | (315) 782-9277 |
| Workers Compensation 175 Arsenal St, Watertown 13601 | (315) 785-3155 |