Club Deportivo Villalba was founded in 1960. In 1975, they merge with another club of the city to form Unión Deportiva Collado Villalba, renamed in 1992 as Club Unión Collado Villalba. On 30 May 2023, the club became the reserve team of CF Rayo Majadahonda, replacing CD Paracuellos Antamira.[2]