Carroll, 36, has become available after spending a year with French club Bordeaux.
Before joining Bordeaux, he played for Ligue 2 side Amiens during the 2023/24 season.
Chelmsford City's manager Andy Harrop has expressed satisfaction with the team's current roster, stating that they have a good balance of youth and experience.
Harrop highlighted the potential of the team's young players and emphasized the importance of developing their skills.
Chelmsford finished 11th in the National League South last season, and the team is expected to build on their progress in the new campaign.