529 Plan

Quick Definition

A 529 plan is a tax-advantaged investment account designed to encourage saving for education expenses. Contributions are made with after-tax dollars, earnings grow tax-free, and withdrawals are completely tax-free when used for qualified education expenses. Under the SECURE 2.0 Act, unused 529 funds can now be rolled into a Roth IRA for the beneficiary.

What It Means

College costs have outpaced inflation for decades. A 529 plan is the federal government's primary tool to help families save for education without being taxed on investment growth. The name comes from Section 529 of the Internal Revenue Code.

The tax treatment is similar to a Roth IRA but for education instead of retirement: you contribute after-tax money, the investments grow tax-free inside the account, and qualified withdrawals come out completely tax-free. No capital gains tax, no dividend tax, no income tax on the earnings, as long as the money goes toward education.

Starting in 2024, the SECURE 2.0 Act added a new feature that addresses a common fear: "What if I save too much and my child does not need it all?" You can now roll up to $35,000 of unused 529 funds into a Roth IRA for the beneficiary, tax-free and penalty-free.

There are two main types of 529 plans:

The vast majority of families use the education savings plan because of its flexibility.

How It Works

Qualified Expenses

529 funds can be used tax-free for a broad range of education expenses:

Contribution Limits and Gift Tax

There is no federal annual contribution limit for 529 plans. Instead, contributions are subject to the federal gift tax exclusion. For 2026, the annual gift tax exclusion is $19,000 per recipient, per donor, according to Rev. Proc. 2025-32.

This means:

• A single donor can contribute up to $19,000 per beneficiary per year without filing a gift tax return
• A married couple can contribute up to $38,000 per beneficiary per year using gift-splitting
• Contributions above these amounts require filing Form 709 but do not necessarily result in gift tax, as they simply consume lifetime gift and estate tax exemption ($15 million in 2026)

Superfunding: Front-Loading Five Years

A special rule under IRC Section 529(c)(2)(B) lets you front-load up to five years of annual gift tax exclusions into a single year. For 2026:

You elect this on Form 709 by treating the contribution as five separate annual exclusion gifts spread across the current year and the next four years. No additional annual exclusion gifts can be made to the same beneficiary during that five-year period.

If you die during the five-year period, the portion allocated to years after your death gets pulled back into your estate.

State Plan Aggregate Limits

Every state 529 plan imposes its own aggregate account balance cap. Once the total balance for a beneficiary reaches the plan's limit, no further contributions are accepted. These caps range from roughly $235,000 to over $600,000 depending on the state, with most plans landing around $500,000. The account can still grow through investment returns after hitting the cap.

The Tax-Free Growth Math

Scenario: A family starts a 529 plan when their child is born, contributing $300/month for 18 years. Assume 7% average annual return.

The 529 plan saves roughly $9,630 in this scenario purely from the tax-free growth advantage. The larger the contributions and the longer the time horizon, the bigger the gap.

State Tax Deductions

Over 30 states offer state income tax deductions or credits for 529 contributions. The specifics vary widely:

Some states offer deductions only for contributions to their own state plan, while others allow deductions for contributions to any state's plan. Check your state's rules before choosing a plan.

The SECURE 2.0 Roth IRA Rollover

Section 126 of the SECURE 2.0 Act created a pathway to move unused 529 funds into a Roth IRA for the beneficiary. This provision went live for distributions after December 31, 2023.

How It Works

The rollover counts against the beneficiary's annual IRA contribution limit. If you roll over $7,500 for tax year 2026, the beneficiary cannot also make a regular Roth IRA contribution that year.

Example Rollover Schedule

A family has $48,000 in unused 529 funds after their child graduates college. The 529 has been open for 18 years:

The rollover bypasses Roth IRA income limits. A beneficiary earning six figures who is normally locked out of direct Roth contributions can still receive the rollover.

Important Caveats

• Changing the beneficiary can reset the 15-year clock. The IRS has not issued final guidance on beneficiary changes, so switching the account from one child to another and immediately rolling to Roth is risky.
• The five-year lookback means last-minute contributions do not work. Any money contributed in the last five years, plus earnings on those contributions, cannot be rolled over.
• Some states may tax rollovers or require recapture of prior state tax deductions. Check your state's rules.

What Happens to Unused Funds

If your child receives a scholarship, skips college, or does not use all the 529 funds, you have several options:

Real-World Example: The Cost of Starting Early vs. Late

Two families save the same total amount for their children's college, but one starts at birth and the other starts at age 10:

Both families contributed the same $64,800 out of pocket, but Family A has $45,000 more for college simply because they started earlier and gave compound interest more time to work.

Key Points to Remember

• Contributions grow tax-free and qualified withdrawals are completely tax-free for education expenses
• The 2026 annual gift tax exclusion is $19,000 per donor, per beneficiary
• Superfunding lets you front-load five years of exclusions: $95,000 for a single donor, $190,000 for a married couple
• SECURE 2.0 allows rolling up to $35,000 of unused 529 funds into a Roth IRA for the beneficiary, subject to annual limits ($7,500 in 2026)
• Over 30 states offer state tax deductions or credits for 529 contributions
• The 529 must be open for 15 years before a Roth IRA rollover is permitted
• You can change the beneficiary to another family member at any time without tax consequences
• K-12 tuition expenses up to $10,000 per year are qualified expenses
• Student loan repayment up to $10,000 lifetime is a qualified expense

Common Mistakes to Avoid

• Starting too late: The tax-free growth advantage is exponential over time. Starting at birth vs. age 10 can mean a $45,000 difference for the same total contributions.
• Ignoring state tax deductions: If your state offers a deduction, you are leaving money on the table by not contributing. Some states let you deduct contributions to any state's plan, not just your own.
• Overfunding without a plan: While the Roth IRA rollover helps, it takes 5+ years to move $35,000 at $7,500/year. Do not overfund a 529 just because the rollover exists.
• Missing the 15-year rule for Roth rollovers: If you opened the 529 less than 15 years ago, the rollover is not available. Plan ahead.
• Making non-qualified withdrawals: The earnings portion of non-qualified withdrawals is subject to ordinary income tax plus a 10% penalty. Exhaust all other options first.
• Forgetting the five-year lookback on rollovers: Contributions made in the last five years cannot be rolled over. Last-minute superfunding does not work for the rollover strategy.
• Not filing Form 709 for superfunding: If you superfund and do not file Form 709, the IRS treats the entire amount above $19,000 as a taxable gift in the year of contribution, eliminating the benefit of spreading the gift over five years.

Frequently Asked Questions

Q: Can I have a 529 plan in any state, or do I have to use my own state's plan? A: You can open a 529 plan in any state. However, if your state offers a tax deduction, it may only apply to contributions to your own state's plan. Check your state's rules before choosing an out-of-state plan.

Q: What counts as a "qualified" education expense? A: Tuition, fees, books, supplies, equipment required for enrollment, computers and internet access, room and board (if enrolled at least half-time), K-12 tuition up to $10,000/year, and student loan repayment up to $10,000 lifetime.

Q: Can I use 529 funds for graduate school? A: Yes. 529 funds can be used for any eligible post-secondary institution, including graduate school, professional school, and certificate programs, as long as the institution is eligible for federal student aid.

Q: What happens if my child gets a full scholarship? A: You can withdraw up to the amount of the scholarship tax-free (no 10% penalty on earnings, though you still owe ordinary income tax on the earnings portion). Alternatively, you can change the beneficiary to another family member, save the funds for graduate school, or roll up to $35,000 into a Roth IRA under the SECURE 2.0 rules.

Q: Does a 529 plan affect financial aid? A: Yes, but less than you might think. A parent-owned 529 is counted as a parental asset on the FAFSA, assessed at up to 5.64% of the account value. A grandparent-owned 529 is not reported as an asset on the FAFSA at all, and distributions from grandparent-owned 529s no longer count as student income thanks to FAFSA simplification changes.

Q: Can I roll over 529 funds to a Roth IRA if the account is less than 15 years old? A: No. The 529 account must have been open for at least 15 years before any rollover can occur. Additionally, contributions and earnings from the last five years are not eligible. Changing the beneficiary may also reset the 15-year clock.

Q: Can grandparents contribute to a 529? A: Yes. Anyone can contribute to a 529. Grandparents often use the superfunding strategy to make large contributions that remove assets from their taxable estate while funding a grandchild's education. The 2026 superfunding limit is $95,000 per grandparent, or $190,000 for a married couple.