Newcastle upon Tyne City Police also known as Newcastle upon Tyne Borough Police, was the Home office Police force and a Constabulary that served the City of Newcastle upon Tyne with origins in 1836. On 1 April 1969 it was amalgamated into the Northumberland Constabulary under the Police Act 1964. The first Modern Police Force was formed in Newcastle in 1836, 3 years before the County Police Act of 1839.
Newcastle upon Tyne Borough Police and later after the 1974 merger Northumberland Constabulary were headquartered at the Historic Market Street/Pilgrim Street combined Police, Magistrates and Firestation. It was designed by Cackett, Burns, Dick and MacKellar and opened in 1934. The Classical elements of Corinthian columns and Egyptian solidity is clearly present and it is also noted for its mock Babylonian sculptures. It only ended its use as Police headquarters after the Establishment of Northumbria Police after 1974 which moved to Ponteland sometime later. It also housed one of the 2 server storage systems for Northumbria Police that backs up and shares for contingency information (disaster recovery) with its twin in Ponteland. This change in 2011 when a new computer system became operation and the disaster recovery system was moved to South Shields.