Middlesex County is named for the former county of Middlesex in England.
Created: March 7 1683
Perth Amboy 1683 – 1793
New Brunswicd 1793 – present
County Courthouse – New Brunswick
Location: 56 Paterson Street / Kirkpatrick Street
Built: 1956 – 1958
Description: The building faces south and is a six story red colored stone and concrete structure. The building was remodeled in 2003.
County Family Courthouse – New Brunswick
Location: 120 New Street / Drift Street
Built: 1998 – 2000
Architect: Ford Farewell Mills and Gatsch
Contractor: Devco and Keating Development Company
Description: The building faces north and is a four story buff colored brick and concrete structure. The north front has a high rectangular brick and glass tower. On the east side of the tower is the glass paneled entrance with triangular canopy supported by columns. The roof line is flat.
Old County Courthouse – Perth Amboy
Location: 260 High Street / Market Street
Built: 1714 – 1717
Description: The building faces north and is a three story white colored brick and wood frame structure. The building has a mansard roof with dormer windows. The building was renovated in 1745, 1767, 1826, 1872 and 2006. The building now serves as the City Hall.
N – Union County
E – Atlantic Ocean and Monmouth County