What 529 Plans Are and How They Work

A 529 plan is an investment account where money grows tax-free as long as you use it for may have access to education expenses

A 529 plan is a savings account sponsored by a state or educational institution that lets you set aside money for education costs without paying federal income tax on the growth. You contribute after-tax dollars, but the earnings — the money your investments make over time — are never taxed by the federal government if you withdraw them to pay for school. The account belongs to you, not the student, which means you keep control of the money and can change beneficiaries if needed.

The name comes from Section 529 of the Internal Revenue Code. Every state runs at least one plan, and some states run two. The plans differ in investment options, fees, and state tax treatment, so the one that makes sense for you depends on where you live and how much you want to manage the investments yourself.

Key Takeaways

• Money in a 529 plan grows without federal income tax, and withdrawals for may have access to education expenses are never taxed.
• You can open a 529 plan for any student at any age, and you control the account even after the student turns 18.
• Contributions are made with after-tax dollars, but some states let you deduct contributions from your state income tax.
• If you withdraw money for non-education expenses, you pay income tax on the earnings plus a 10 percent federal penalty, though some exceptions exist.
• Each state's plan has different investment choices and fees, so comparing your state's plan to others may lower your costs.

Two types of 529 plans: prepaid tuition and savings accounts

Prepaid tuition plans let you lock in current tuition rates at a specific school or group of schools. You pay a lump sum or installments now, and the plan covers tuition and mandatory fees later, no matter how much prices rise. This works best if you know which school your child will attend and want to hedge against tuition inflation. The downside is that if your child gets a scholarship, attends a different school, or doesn't go to college, you may get only your contributions back with little or no earnings.

Savings plans work like a regular investment account. You choose from a menu of investment options — usually mutual funds or target-date portfolios — and the money grows based on how those investments perform. You can withdraw the balance to pay for tuition, room and board, books, and other may have access to expenses at any school in the country. Savings plans are more flexible because you're not locked into a specific school or tuition rate, and you can use the money at community colleges, trade schools, and graduate programs.

Most families use savings plans because they offer more flexibility and work with any school. Prepaid plans are less common and mainly available in a handful of states.

What counts as a may have access to education expense

Withdrawals are tax-free only if you use them for may have access to education expenses. These include tuition and mandatory fees, room and board (if the student is enrolled at least half-time), books and supplies, computers and internet access, and up to $35,000 in student loan repayment over the account's lifetime. You can also use up to $35,000 to fund a Roth IRA for the beneficiary, which is a newer option that lets you move unused 529 money into retirement savings.

Room and board is only may have access to if the student lives in school housing or off-campus housing approved by the school. If your child lives at home, room and board doesn't count. Expenses like transportation, insurance, and personal items are not may have access to, even if the student needs them for school.

If you withdraw money for something that isn't may have access to, you owe income tax on the earnings portion of the withdrawal, plus a 10 percent federal penalty on those earnings. The contribution itself comes out tax-free because it was already taxed when you put it in. Some states also add their own penalty.

State tax deductions and other tax benefits

The federal tax benefit — tax-free growth and withdrawals — applies to every 529 plan in every state. But many states also let you deduct your contributions from your state income tax, which is an extra incentive to save. The deduction amount and income limits vary by state. Some states offer an unlimited deduction; others cap it at $235 per year or tie it to the amount you contribute. A few states offer no deduction at all.

You don't have to use your own state's plan to get the federal benefit, but you usually only get the state tax deduction if you use your state's plan. A handful of states let you deduct contributions to any state's plan, so check your state's rules before opening an account.

If you're married and filing jointly, both spouses can often claim the deduction, which can double the tax savings. Some states also let you carry forward unused deductions to future years if you hit the cap.

How much you can contribute and account limits

There is no annual contribution limit for 529 plans, but there is a aggregate limit — a total amount per beneficiary across all 529 accounts in all states. That limit is currently $235,000 per beneficiary, though it varies slightly by state. Once you hit that limit, you can't add more money to any 529 account for that student.

Contributions are considered gifts for tax purposes. If you're married, you and your spouse can each give up to $18,000 per year per beneficiary (in 2024) without filing a gift tax return. If you give more, you file a return but usually owe no tax unless you've already used your lifetime gift tax exemption. Some people use a special election to treat a large contribution as if it were spread over five years, which lets them give more without triggering gift tax paperwork.

You can open multiple 529 accounts for the same student with different providers, but the aggregate limit still applies across all of them. If you have more than one account per child, keep track of the total to avoid going over the limit.

Who controls the account and what happens if the student doesn't go to college

You are the account owner, which means you control the money and make all decisions about investments and withdrawals. The student is the beneficiary, but they have no legal right to the money. You can change the beneficiary to another family member — a sibling, cousin, niece, or nephew — without closing the account or paying taxes, as long as the new beneficiary is a member of the original beneficiary's family.

If your child doesn't go to college or doesn't use all the money, you have several options. You can change the beneficiary to another family member and use the money for their education. You can leave the money in the account and use it later if the original beneficiary goes back to school or pursues graduate study. You can withdraw the money, but you'll owe income tax on the earnings plus a 10 percent penalty. Or, under the newer SECURE Act 2.0 rules, you can roll up to $35,000 of unused funds into a Roth IRA for the beneficiary, subject to certain conditions.

The ability to change beneficiaries makes 529 plans less risky than they used to be, because you're not locked into one student's education path.

Investment options and fees vary by plan

Each state's 529 plan offers a different set of investment choices. Some plans offer a wide range of mutual funds and let you pick individual investments. Others offer only target-date portfolios, which automatically shift from stocks to bonds as the student gets closer to college age. A few plans offer both options.

Fees matter because they reduce your returns over time. Some plans charge an annual account maintenance fee, an investment management fee, or both. Direct-sold plans (where you open the account yourself) often have lower fees than advisor-sold plans (where a financial advisor helps you open it). Compare the expense ratios of the investment options across a few plans in your state and neighboring states to see where costs are lowest.

Your state's plan may offer a state tax deduction, which can offset higher fees. But if your state offers no deduction and another state's plan has much lower fees, the math might favor the out-of-state plan.

Frequently Asked Questions

Can I open a 529 plan for a grandchild or niece?

Yes. You can open a 529 plan for any student, not just your own child. You are the account owner and control the money. The student doesn't have to be related to you in most states, though a few states limit accounts to relatives.

What happens to a 529 plan if the student gets a scholarship?

You can withdraw an amount equal to the scholarship without the 10 percent penalty, though you still owe income tax on the earnings portion of that withdrawal. The contribution itself comes out tax-free. If the scholarship covers more than the 529 balance, you simply don't withdraw anything.

Can I use a 529 plan to pay for K-12 private school?

Yes, up to $235 per year per student for tuition at a private elementary or secondary school. This is a relatively small amount and doesn't include room and board or other expenses. The rest of the account can still be used for college.

Do 529 plans affect financial aid?

Yes. Parent-owned 529 plans are counted as parental assets and reduce financial aid may be able to access by up to 5.64 percent of the account value. Student-owned accounts reduce aid more significantly. Grandparent-owned accounts don't count toward aid, but withdrawals from them do count as student income in the following year.

Can I change my investment choices after I open the account?

Yes, but with limits. You can change your investment allocation twice per calendar year, or whenever you change the beneficiary. Some plans also let you rebalance automatically as the student gets older through a target-date option.