CB Ciudad de Valladolid was founded in June 2015 by the former American-Spanish retired player Mike Hansen with the aim to replace CB Valladolid, the main club of the city, which was dissolved at the end of the 2014–15 season.

[2] In its first season, in LEB Plata, Ciudad de Valladolid was relegated after finishing the league with only nine wins in 26 games.

[4] As other teams in previous seasons, Ciudad de Valladolid took advantage and promoted to LEB Oro in the next season by defeating Fundación Lucentum, Morón and Zornotza in the promotion playoffs.

[5] In 2020, when the team was leading the LEB Oro, the season was curtailed due to the COVID-19 pandemic.

However, the club was awarded with the promotion to Liga ACB but did not fulfill the requirements for joining the league.