Washington 529 Calculator 2026
Washington has no income tax on wages, so there is no 529 deduction. Washington also runs GET, a prepaid tuition programme that guarantees units of in-state tuition.
Project the balance from your contributions below, then read the Washington tax table to see what the state side of the deal is actually worth in dollars — computed from the same 2026 Washington schedule used by the Washington paycheck calculator.
- Total contributions
- $59,000
- Tax-advantaged growth
- $40,516
- Projected balance
- $99,516
- Estimated cost
- $120,000
- Shortfall
- $20,484
On track to $99,516 — about $20,484 short of a $120,000 goal. Raising the monthly contribution closes the gap.
Use Left and Right Arrow, Home, or End to inspect data points.
- Growth uses a steady monthly compounding rate; age-based 529 portfolios de-risk over time and will not track it exactly.
- State tax savings are computed from the 2026 state schedule in this site's tax engine, applied to the assumed household income shown with each table.
- State 529 deduction and credit limits are the commonly published 2026 figures; several states index them annually — confirm yours with the plan.
- College cost projections are rounded national published averages inflated at a fixed rate, not a quote from any institution.
The email includes this route only; calculator inputs are not attached.
What a 529 contribution saves you in Washington tax
Washington does not reduce state income tax for 529 contributions, so this table is short: the state-side saving is zero at every contribution level. Everything a 529 does for a Washington family is federal — untaxed growth and tax-free qualified withdrawals.
| Annual contribution | Single, $100,000 | Joint, $150,000 | Effective discount |
|---|---|---|---|
| $2,000 | — | — | 0% |
| $5,000 | — | — | 0% |
| $10,000 | — | — | 0% |
| $15,000 | — | — | 0% |
Assumes Washington's 2026 income-tax rules. No state 529 incentive is available.
What monthly 529 contributions grow to
Projected balances at a 6% annual return, contributions only, no starting balance. Age-based 529 portfolios shift toward bonds as college approaches, so a real plan started at birth typically averages a little under this early and a little over it later.
| Monthly contribution | After 10 years | After 15 years | After 18 years | Of which growth |
|---|---|---|---|---|
| $100/mo | $16,388 | $29,082 | $38,735 | $17,135 |
| $250/mo | $40,970 | $72,705 | $96,838 | $42,838 |
| $500/mo | $81,940 | $145,409 | $193,677 | $85,677 |
| $750/mo | $122,910 | $218,114 | $290,515 | $128,515 |
| $1,000/mo | $163,879 | $290,819 | $387,353 | $171,353 |
What four years of college is projected to cost
Rounded national averages for published total cost of attendance — tuition, fees, room and board — projected forward at 5% a year across four consecutive academic years. Published price is not net price: most families pay less after grant aid, and an individual school can sit far either side of the average.
| Institution type | Four years today | Starting in 10 years | Starting in 18 years |
|---|---|---|---|
| Public four-year, in-state | $120,000 | $210,622 | $311,185 |
| Public four-year, out-of-state | $196,000 | $344,016 | $508,269 |
| Private nonprofit four-year | $252,000 | $442,307 | $653,488 |
How the Washington 529 benefit actually works
Washington gives no state-level incentive, so the 529 case here rests entirely on federal treatment: contributions go in after tax, growth is never taxed, and qualified withdrawals come out tax-free. Over 18 years that alone is usually worth more than any single-year state deduction.
With no home-state benefit to protect, compare Washington DreamAhead College Investment Plan against the largest national direct-sold plans on expense ratio, fund choice and minimum contribution. A 0.15% annual fee difference on an 18-year plan is worth several thousand dollars.
Contribution limits are set by the plan, not by the IRS — most allow a lifetime balance of $400,000 or more per beneficiary. What is capped federally is the gift-tax treatment: contributions count as completed gifts, and a five-year election lets you front-load five years of the annual exclusion into a single year without using lifetime exemption.
Frequently asked questions
- Does Washington offer a 529 tax deduction?
- No. no state income tax. That does not make a 529 a bad idea in Washington — the federal benefit (tax-free growth and tax-free qualified withdrawals) is identical everywhere — but it does mean you should pick a plan on fees and fund quality rather than loyalty to Washington DreamAhead College Investment Plan.
- What is a $5,000 529 contribution worth in Washington?
- Nothing at the state level: Washington does not reduce state tax for 529 contributions. The federal benefit still applies — every dollar of growth inside the account is untaxed, and qualified withdrawals are tax-free.
- Which 529 plan should a Washington resident use?
- There is no state tax reason to prefer Washington DreamAhead College Investment Plan, so compare expense ratios and fund menus across the largest national plans as well.
- What happens if the money is not used for college?
- Non-qualified withdrawals are taxed on the earnings portion and carry a 10% federal penalty on those earnings, and the state may reclaim deductions previously taken. There are penalty-free escape routes: change the beneficiary to another family member, use up to $10,000 for student-loan repayment, or roll unused funds into the beneficiary's Roth IRA subject to the lifetime cap and account-age rules.
- Can 529 money be used for more than tuition?
- Yes. Qualified expenses include tuition, mandatory fees, books, required supplies and equipment, computers used for study, and room and board for students enrolled at least half time. Up to $10,000 a year can also be used for K-12 tuition, and up to $10,000 lifetime for student loan repayment.
- Does a 529 hurt financial aid?
- Less than most families expect. A parent-owned 529 is a parental asset on the FAFSA and is assessed at a maximum of 5.64% — so $50,000 saved reduces aid eligibility by at most about $2,820. Since the FAFSA Simplification Act, distributions from a grandparent-owned 529 no longer count as student income at all.