More facts would be needed to answer this inquiry. The items was in a common area, but it was locked up? Like a bicycle? If there are rules about not having the items where they were, they likely don't have any responsibility to notify you to remove it. If items were allowed to accumulate in this space without warning or other removals, notice may be implied by the law. Discuss with an attorney if the item is valuable enough to justify the pursuit.
More facts would be needed to answer this inquiry. The items was in a common area, but it was locked up? Like a bicycle? If there are rules about not having the items where they were, they likely don't have any responsibility to notify you to remove it. If items were allowed to accumulate in this space without warning or other removals, notice may be implied by the law. Discuss with an attorney if the item is valuable enough to justify the pursuit.