[5] However, the team considered itself as the successor of Polisportiva Monterotondo Calcio, that originally founded in 1935.

In 2012–13 season, the club finished as the 10th in the group B of 2012–13 Prima Categoria Lazio, one position higher than A.S.

At the end of 2012–13 season, the major team of the city, Polisportiva Monterotondo Lupa, sold its position in Serie D, by relocated and renamed to Maccarese, as a replacement of A.S.D.

However, at the same time, Atletico Monterotondo was merged with another team also from the province of Rome, A.S.D.

Città di Marino participated in 2012–13 Serie D and relegated to 2013–14 Eccellenza Lazio.

Trastevere F.C., participated in the Terza Categoria Rome Group C, the lowest division of the whole football league pyramid in 2012–13 season.

However, the club later became a repechage of 2014–15 Eccellenza Lazio [it] to fill the vacancy of Rieti.

Eretum Monterotondo Calcio, was also approved by the Italian Football Federation in 2017.

[10] In June 2017, Eretum Monterotondo hired Fabrizio Perrotti as the head coach.

[12] Claudio Solimina was hired as the head coach of Eretum Monterotondo in June 2018.

[13] Eretum Monterotondo played their home matches in the Stadio Fausto Cecconi.

[14] Eretum Monterotondo lost the derby in home ground that season.

[15] UISP itself stands for Unione Italiana Sport Per tutti [it].