Middlesex County

US States / N / New Jersey / Middlesex County

Middlesex County is named for the former county of Middlesex in England.


Created:  March 7 1683

County Seat:

Perth Amboy      1683 – 1793

New Brunswicd  1793 – present


County Courthouse – New Brunswick


Location:  56 Paterson Street / Kirkpatrick Street

Built:  1956 – 1958

Style:  Morden

Architect:  Unknown

Contractor:  Unknown


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

Style:  Morden

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

Style:  Victorian

Architect:  Unknown

Contractor:  Unknown


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

S – Monmouth County and Mercer County 

W – Somerset County