[1] In 1988, she made her debut in senior football for IF Brommapojkarna in Division 2, Sweden's third tier at the time, scoring 14 goals in 18 games.
[4] The following season, in 1992, she scored five goals in 19 games, although Djurgården finished 11th in the table and suffered a relegation from the top tier.
Led by player-coach Pia Sundhage in 1994, Hammarby finished as runner-up in Damallsvenskan, but won Svenska Cupen through a 2–1 win against Gideonsbergs IF in the final.
[6] In 1997, Allberg joined Älvsjö AIK in Damallsvenskan, where she played until 2000 when she was forced to retire due to a knee injury.
[9] In 1998, Allberg was given the honorary award Stora Tjejers Märke, the "Big Girls' Badge", by the Swedish Football Association.