LA Galaxy II Alvarado made his league debut for the club on 20 July 2020, coming on as an 88th-minute substitute for
Omar Ontiveros in a 1–0 away victory over the
San Diego Loyal.
Vizela On 6 September 2021,
recently promoted to the Portuguese
Primeira Liga side
Vizela announced the signing of Alvarado on a five-year contract. Alvarado made his debut for Vizela on 20 November 2021, starting in a 2–0 home win over
Estrela da Amadora in the
Taça de Portugal. He made his
Primeira Liga debut a month later, on 28 December, coming off the bench in the final minutes of a 2–0 defeat away at
Marítimo.
Vianense (loan) On 30 August 2023, Vizela sent Alvarado on a season-long
loan to
Liga 3 side
Vianense.
San Diego FC On January 14, 2025, Alvarado returned to the United States, signing a two-year deal with
San Diego FC ahead of their inaugural season. ==Personal life==