[14] Women's football in Alajuela was played as early as 15 September 1959, between clubs Independiente and ODECA at Estadio Alejandro Morera Soto.

[16] CODEA had participated in Costa Rica's women's league in 2001, but had no relationship with Liga Deportiva Alajuelense and instead became UCEM Alajuela.

[17] In 2017, the club defeated AD Coronado to win promotion from the Segunda División, and after a year in the Premier Division signed an agreement with Liga Deportiva Alajuelense.

[21][22][8] Other players followed, including Fabiola Sánchez, Priscila Chinchilla, Lixy Rodríguez, Fernanda Barrantes, María Paula Salas, and Noelia Bermúdez.

[23][24][25][26][27] On 9 December 2019 the team secured its first championship in the Primera División by winning the Torneo Clausura,[28][29] qualifying it for the national final against Clásico del fútbol costarricense femenino [es] rivals Saprissa FF.

[41][42] The team won its third championship in the 2021 Torneo Clausura in historic fashion, becoming the first club in Costa Rican women's soccer to complete an undefeated season, winning 16 of 18 matches and drawing twice.

[46][47] In September 2022 Alajuelense won its first international title by defeating Saprissa 1–0 in the finals of the Torneo Interclubes Femenino Uncaf Fifa Forward 2022.

[49][50][51][52] The trophy was Alajuelense's sixth, setting a record for most total cups won by a Costa Rican women's club.