Daytime lines (night lines were abolished in 1996) are operated by the company Tramwaje Szczecińskie (Szczecin Tramways), on behalf of the ZDiTM (Zarząd Dróg i Transportu Miejskiego [pl]; Road and Public Transport Administration).

There is also a tourist line operated by the Szczecin's Association of the Enthusiasts of Public Transport.

On October 21, 1872, just before the demolition of fortress walls, German engineer Johannes Bussing received from the Royal Police Directorate in Berlin concession for the construction of a horse tram network.

On March 25, 1879, the company Stettiner Straßen-Eisenbahn Gesellschaft was established in the same year the first horse tram lines were launched.

The first depot was located at the intersection of Wojska Polskiego avenue and Piotra Skargi Street.

Electricity have been brought by power stations located in Pomorzany, Old Town and Gdańska Street.

In 1926, after Wyspa Jaskółcza had been connected (at the back of Depot in Kolumba Street) with city, on the island have been located a storehouse.

In 1927, after Daibe Airport had been built, nearby have been constructed a new tram balloon loop.

In 1940, the total line length measured 50.3 km and trams had transported 58.8 million passengers .

During World War II, 45% of tracks were damaged, 75% of electric tractions, and 50% of trams.

The first postwar company to manage public transport in Szczecin, was Tramwaje i autobusy miasta Szczecina.

On 7 December 1967, at about 6:35 o'clock, a tram accident in Wyszaka Street took the lives of 15 people.

Tram lines in 1964: On 1 December 1973, as a result of tendency to close tram lines in the centre of cities, tram transport was abolished in Wojska Polskiego avenue (from former Lenin square – current Szarych Szeregów to Zwycięstwa square), Obrońców Stalingradu Street and Jagiellońska Street (from Wojska Polskiego avenue to Piastów avenue).

In 1976, MPK was transformed into Wojewódzkie Przedsiębiorstwo Komunikacji Miejskiej, which also managed public transport in other cities of Szczecin Voivodeship.

On 1 February 2011, PESA 120NaS "Swing" – first low-floor tram in Szczecin, began operation.

From April to August, during repairs of Brama Portowa square, old tram tracks had been replaced into modern ones.

On 14 April 2014, repairs of tram tracks were finished in Piastów avenue, at the same time began repairs of run-down tram track in Potulicka Street and Narutowicza Street.