Curran signed for Limerick on a permanent deal until the end of the 2014 season on 1 July. Curran's first game after signing for the club on a permanent basis came on 5 July 2013, in a 1–0 win over Bohemians. In the next game against Drogheda United four days later, he scored twice in a 4–4 draw. Curran later scored two goals to take his tally to seven for the season, against Cork City and UCD. In his first season at Limerick Curran made twenty-six appearances and scored seven times.