529 plans: state tax benefits and considerations

You’re saving for your child’s college. Your neighbor swears by New York’s 529 plan. Your coworker uses Utah’s. Your state offers its own plan with a tax deduction.

Which one should you choose? Does it matter?

Here’s the reality: 529 plans are one of the best tax advantaged ways to save for college, but state tax benefits vary dramatically. Choose the wrong plan, and you could leave thousands on the table.

What Is a 529 Plan?

529 plans are tax-advantaged college savings accounts. Contributions grow federal tax-free, and withdrawals for qualified education expenses are tax-free.

Two types exist:

• Savings plans are investment accounts like 401(k)s for college
• Prepaid tuition plans lock in today’s tuition rates at specific schools

Most people use savings plans. We’ll focus on those.

Federal Tax Benefits (Available to Everyone)

Tax free growth. Investments grow without annual tax on dividends or capital gains.

Tax free withdrawals. As long as used for qualified expenses like tuition, fees, books, and room and board, withdrawals are federal tax free.

Qualified expenses include:

• College tuition and fees
• Room and board if enrolled at least half time
• Books, supplies, computers
• Up to $10,000 per year for K12 private school tuition
• Up to $10,000 lifetime for student loan repayment

No federal deduction. Unlike IRAs or 401(k)s, 529 contributions don’t reduce federal taxable income.

State Tax Benefits: The Big Variable

Most states offer tax deductions or credits for 529 contributions, but only to their own state’s plan with exceptions.

Three categories of states:

Category 1: Deduction for Own-State Plan Only (Most States)

How it works. Get state tax deduction only if you contribute to your state’s 529 plan.

Examples include California, New York, Maryland, and Virginia

Maryland example:

• Contribute $5,000 per year per beneficiary
• Maryland income tax rate: 5.75%
• Annual tax savings: $287.50
• Over 18 years: $5,175 in tax savings

New York example:

Married couple can deduct up to $10,000 per year

• NY income tax rate: 6.5%
• Annual tax savings: $650
• Over 18 years: $11,700

Category 2: Deduction for Any State’s Plan (Tax Parity States)

How it works. Get state tax deduction regardless of which state’s 529 plan you use.

Tax parity states include Arizona, Arkansas, Kansas, Minnesota, Missouri, Montana, and Pennsylvania

Why it matters. You can choose the best performing plan nationwide and still get your state tax benefit.

Example. Pennsylvania resident using Utah’s low cost plan still gets PA state deduction.

Category 3: No State Income Tax or No 529 Deduction

States with no income tax include Alaska, Florida, Nevada, South Dakota, Tennessee, Texas, Washington, and Wyoming

States with income tax but no 529 deduction include California, Delaware, Hawaii, Kentucky, Maine, New Jersey, and North Carolina

Impact is this. No state tax benefit, so you’re free to choose any plan based on performance and fees.

How Much Can You Deduct Based on State

State deduction limits range from $2,000 to unlimited:

Low limits:

• Georgia at $4,000 per beneficiary for married
• Mississippi at $10,000 per year for married
• Rhode Island: $500 to $1,000

Mid-limits:

• New York at $10,000 for married
• Maryland at $5,000 per beneficiary
• Virginia at $4,000 per account

High limits:

• Illinois at $20,000 for married
• Indiana at $1,000 state tax credit, which is better than deduction
• Iowa with full deduction and no limit

Should You Use Your State’s Plan or Another State’s Plan?

Use Your State’s Plan If:

• Your state offers meaningful tax deduction over $2,500 per year for typical family
• Your state’s plan has reasonable fees under 0.50% expense ratios
• Your state’s plan has good investment options

Consider Out-of-State Plan If:

• Your state offers no deduction like CA, NJ, or NC
• Your state has tax parity like PA, AZ, or KS
• Your state’s plan has high fees over 0.75%
• You’re in a no income tax state

Tax Deduction vs Lower Fees to Determine Which Wins

Rule of thumb is this. If state tax benefit exceeds 0.25 to 0.50% annually, use your state’s plan. Otherwise, go for lowest cost plan.

Example:

• Contribute $5,000 per year
• State deduction saves $250 per year at 5% rate
• Out of state plan charges 0.20% less in fees equals $10 per year on $5,000 balance initially

Verdict is this. State deduction wins easily when starting, but as balance grows, fees matter more. At $100,000 balance:

• State deduction provides $250 per year benefit that doesn’t grow with balance
• Fee difference of 0.50% equals $500 per year

Once balance is large, low fees overtake fixed deduction benefit.

Front Loading vs Annual Contributions

529 plans allow massive upfront contributions via gift tax rules.

Annual gift tax exclusion 2025 $19,000 per person, per beneficiary

5 year election. Contribute 5 years’ worth upfront at $95,000 single or $190,000 married and elect to treat it as spread over 5 years for gift tax purposes.

Why front load includes these reasons.

• Maximizes tax free growth time
• Captures state tax deduction immediately if available
• Estate planning benefit by removing assets from estate

Downside is this. Less flexibility if child doesn’t attend college or gets scholarships.

Using 529 Plans for Multiple Children

Strategy is to open separate accounts for each child.

Why includes these reasons.

• Track savings per child clearly
• State deduction limits often per beneficiary
• Flexibility to shift unused funds between siblings

Flexibility allows this. Can change beneficiary to siblings, yourself, or grandchildren without penalty.

Common 529 Mistakes

Mistake 1 Not checking if your state has tax parity before using out-of-state plan

Mistake 2. Choosing expensive in state plan for small tax deduction of $200 per year but paying $500 per year extra in fees

Mistake 3. Over funding to the point where child gets full scholarships and you have excess, though you can use for siblings or yourself

Mistake 4. Not using 529 for qualified expenses and paying 10% penalty plus taxes on gains

Mistake 5. Waiting too long to start and losing years of compound growth

How to Choose Your 529 Plan

Step 1 Check if your state offers tax deduction and how much

Step 2 Compare your state’s plan fees to top-rated national plans

Step 3 Calculate break-even:

• Annual state tax benefit divided by Projected account balance equals Fee difference threshold
• If state plan fees are within threshold, use state plan

Step 4 Enroll and automate contributions

Action Plan

Immediately:

• Research your state’s 529 tax benefit
• Compare in-state plan fees to national plans
• Open account (can start with $25 to 50)
• Set up automatic monthly contributions

Annually:

• Maximize state deduction if available
• Review investment allocation (shift more conservative as college approaches)
• Claim state tax deduction on return

The Bottom Line

529 plans are the best tool for tax free college savings. State tax benefits add thousands in savings if you choose the right plan.

If your state offers a meaningful deduction and reasonable fees, use it. If not, go with a low cost national plan like Utah or Nevada.

Either way, start now. The longer money compounds tax free, the more you save.

This content is for educational purposes only and should not be considered as tax or investment advice.

Prior to investing in a 529 Plan investors should consider whether the investor’s or designated beneficiary’s home state offers any state tax or other state benefits such as financial aid, scholarship funds, and protection from creditors that are only available for investments in such state’s qualified tuition program. Withdrawals used for qualified expenses are federally tax free. Tax treatment at the state level may vary. Please consult with your tax advisor before investing.​

Securities offered through LPL Financial, Member FINRA/SIPC. Investment advice offered through Great Valley Advisor Group, a registered investment advisor and separate entity from LPL Financial.

Chesapeake Financial Planners | 2402 Scotlon Ct, Forest Hill, MD 21050 | 410–652–7868 | www.chesapeakefp.com