Where do you want to go? I want to visit... One Spring Street 83 Spring Street 3 High Street 43-47 High Street 201 Wheatsworth Road Municipal Utilities Authority View Larger Map Choose another location from the drop down list above. One Spring Street is also known as Cochran Plaza. The Sussex County Administrative Center is home to the Board of Chosen Freeholders, the departments of Finance, Engineering, Human Services, Central Services, and numerous core County government functions. Locations of Sussex County Offices in Downtown Newton, NJ Show Large Image | Show Printable Image Map Key Facility Name Facility Address 1 Administrative Center One Spring Street 3 Old Court House 3 High Street 4H Ginnie's House 4 High Street 4P Hall of Records 83 Spring Street 16 Board of Taxation 83 Spring Street 18 Election Board & Social Services 83 Spring Street 19 Prosecutor's Office 19-21 High Street 29 Workmen's Comp. Court & Grand Jury 29 High Street 39 Sheriff's Office 39 High Street 41 Keogh-Dwyer Correctional Facility 41 High Street 43 Judicial Center 43-47 High Street 82 County Historic Society Building 82 Main Street