Retirement accounts have different contribution deadlines and eligibility rules. Planning ahead may help you use available tax benefits. Brett Henderson provides financial guidance; confirm tax deadlines with your tax advisor.
Key Takeaways
- ✓ 401(k): Confirm payroll and plan deadlines.
- ✓ IRA: Generally the return due date, without extensions.
- ✓ SEP: Employer return due date, including extensions.
- ✓ HSA: Generally the return due date, without extensions.
Overview
Deadlines depend on the account, contribution type and tax year. Eligibility and limits also apply.
Key Points
- 401(k): Employee deferrals generally relate to wages for the year; payroll cutoffs may be earlier.
- IRA: Generally the tax-return due date, without filing extensions.
- SEP: Employer contributions by the employer return due date, including extensions.
- HSA: Generally the tax-return due date, without filing extensions; eligibility rules apply.
Action Steps
- 1. Step 1: Assess your situation
- 2. Step 2: Research options
- 3. Step 3: Consult Brett Henderson
- 4. Step 4: Implement strategy
- 5. Step 5: Monitor progress
Frequently Asked Questions
When is the IRA contribution deadline?
Generally your return due date, excluding filing extensions. For 2025, the usual IRA deadline was April 15, 2026. Check any applicable IRS disaster or other special relief.
Can I make last-minute 401(k) contributions?
For employees, elective deferrals generally must be elected before compensation is available; check payroll cutoffs. Employer and self-employed contributions have different timing rules. A qualifying sole proprietor with a new owner-only plan has a first-year deferral exception. See page 4.
Related
- Retirement Planning
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By Brett R. Henderson, CIMA®, CPFA®, CRPS®, CEPA®, AIF®, CLU®, BFA™. Revised September 9, 2026.
Securities offered through Vanderbilt Securities, LLC. Member FINRA, SIPC. Advisory Services offered through Consolidated Portfolio Review.
Tax planning is not just about reducing your current tax bill - it can also help optimize your lifetime tax burden. Strategies such as Roth conversions, withdrawal sequencing, and tax-loss harvesting may help reduce taxes and preserve more of your retirement savings, depending on your individual circumstances.
How Do Different Strategies Compare?
Traditional IRA / 401(k): Withdrawals are generally taxable except for after-tax basis. RMD timing depends on birth year and account type; some current-employer plans permit deferral until retirement, with exceptions. Roth IRA / Roth 401(k): Qualified withdrawals are tax-free. Neither requires lifetime RMDs for the owner; beneficiary rules differ.
Taxable brokerage: Income and realized gains may be taxable; account withdrawals are not all taxed at capital-gains rates.
HSA: Qualified medical withdrawals are tax-free. Other withdrawals may be taxable and subject to additional tax. Withdrawal order depends on your circumstances; no sequence is best for everyone.
What Tax Planning Actions Should You Prioritize?
Effective tax planning requires proactive strategies implemented throughout the year, not just during tax season. Consider these priority actions:
- Review your withholding and estimated payments: The IRS Tax Withholding Estimator can help you determine if your current withholding is appropriate to avoid surprises at tax time.
- Evaluate Roth conversion opportunities: Compare current and potential future taxes. The taxable portion of a conversion is income; qualified Roth distributions are tax-free. Review the amount and withdrawal rules with your tax advisor.
- Harvest tax losses: Tax-loss harvesting can be an effective strategy for potentially reducing taxes on investment gains in taxable accounts.
- Review retirement contributions: Pre-tax workplace contributions may reduce taxable wages. IRA deductibility depends on eligibility, income and workplace-plan coverage. Roth contributions are not deductible.
- Review charitable giving: Discuss whether bunching donations or using a donor-advised fund fits your goals. Deductibility depends on eligibility, limits and whether you itemize.
Effective tax planning can help individuals and families identify opportunities to reduce their tax burden and improve after-tax outcomes.
How to Create a Tax-Efficient Retirement Plan: Step-by-Step
Implementing a tax-smart strategy requires a systematic approach:
- 1. Step 1: Map your income sources. Identify all current and projected retirement income streams, including Social Security, pensions, 401(k)/IRA distributions, and taxable investment income.
- 2. Step 2: Estimate your future tax bracket. Project your retirement income to determine which federal and state tax brackets you will likely fall into, using resources from the IRS.
- 3. Step 3: Evaluate Roth conversions. Compare the taxable conversion amount, available funds to pay taxes and potential future tax treatment. Savings are not assured.
- 4. Step 4: Evaluate tax-loss harvesting. Review whether realizing investment losses fits your circumstances and applicable tax rules with your tax advisor.
- 5. Step 5: Plan withdrawals. Compare account tax treatment, required distributions, cash needs and other circumstances. There is no single withdrawal order appropriate for everyone.
- 6. Step 6: Review charitable options. Ask your tax advisor whether you qualify for a direct IRA-to-charity distribution and how its rules and limits apply to any required distribution.
- 7. Step 7: Review periodically with your advisors. Revisit your circumstances and tax rules. A review may identify changes to consider but cannot assure savings or prevent every mistake.
Tax-efficient retirement planning may help reduce the taxes you pay throughout retirement, depending on your individual circumstances. Book your tax strategy session.
Contribution Timing and Primary Sources Rules reviewed September 9, 2026. Confirm account eligibility, the relevant tax year and any special relief before contributing. Filing extensions generally do not extend regular IRA or HSA contribution deadlines. Employee deferral elections, employer deposit duties and employer deduction deadlines are different. Self-employed rules also differ. For a qualifying sole proprietor who adopts a new 401(k) plan after year-end and is its only participant, first-year elective deferrals must be paid by the return due date without extensions. Employer contributions may generally be made by the business return due date, including extensions, subject to plan rules. For a SEP, the employer return deadline including extensions generally governs contributions.
IRS Publication 560 - employer and self-employed plans
IRS Publication 590-A - IRA contributions
IRS Publication 969 - HSA eligibility and contributions
IRS Publication 590-B - IRA distributions
Related Articles You May Find Helpful
- Asset Location Strategy: Placing Investments in the Right Accounts
- Tax-Loss Harvesting Strategy Guide
- Capital Gains Tax Planning for Investors
- Roth Conversion Strategy Guide
Important Disclosures
This content is educational and is not personalized investment advice. Investing involves risk, including loss of principal. Past performance does not guarantee future results.
Neither Brett Henderson nor Vanderbilt Financial Group provides tax or legal advice. Please consult with your tax and/or legal advisors regarding your personal circumstances.
Brett R. Henderson is a registered representative of Vanderbilt Securities, LLC and investment advisor representative of Consolidated Portfolio Review. Securities offered through Vanderbilt Securities, LLC. Member FINRA, SIPC. Advisory Services offered through Consolidated Portfolio Review.
