Maximum Aggregate Account Balance

my529 accounts have a maximum aggregate account balance limit. The amount represents the maximum estimated qualified higher education expenses of an undergraduate and graduate degree, including allowable room and board, at the highest-cost eligible educational institution in the United States. Once an account reaches the maximum limit, contributions exceeding the limit will be returned to the contributor. However, the balance may grow through earnings to be greater than the maximum allowable amount. my529’s maximum aggregate account balance for 2021 is $510,000.