Tax Moves Retirees Miss Before Filing Season

Most tax surprises in retirement don’t come from mistakes on a tax return. They come from decisions made months earlier that didn’t seem like tax decisions at the time. A withdrawal taken to cover expenses. An investment sold to simplify things. A distribution triggered because “it was time.”

Now tax season arrives, and the numbers tell a story you didn’t expect.

As you gather your 2025 tax documents, this is a valuable moment to pause and look back—not just to file, but to understand what actually happened. Did your income come together the way you expected? Did taxes stay manageable? Did anything ripple into Medicare costs or push you into a higher bracket?

Retirement income doesn’t behave like a paycheck. It arrives from multiple directions, and each source affects the others. Taking time to review how those pieces worked together last year gives you clarity going forward and helps prevent the same surprises from repeating.

Below are key areas retirees and pre-retirees should revisit before filing.

How Your Income Layers Together Matters More Than You Think

Many people assume that once work income stops, taxes naturally become simpler. What often happens instead is that the sequence of income becomes more important than the total.

Social Security may become partially taxable depending on how much other income shows up on your return. Required distributions from traditional IRAs or 401(k)s can push income higher than expected. Add interest, dividends, or even modest work income, and the tax picture can shift quickly.

Pull out last year’s tax return and look closely at what moved the needle. What pushed you into your current bracket? Was it distributions, investment income, or a combination of both?

From there, consider whether future withdrawals could be spread more evenly across years. Smoothing income often helps reduce tax spikes and avoid Medicare surcharges that arrive later with little warning.

Roth Conversions Deserve Another Look

Roth conversions continue to be a powerful planning tool in retirement, but they work best when handled carefully.

Converting pre-tax money to a Roth account can reduce future required distributions and create tax-free income later on. That flexibility can be valuable, especially as tax brackets and healthcare costs evolve.

The challenge is timing. Converting too much in one year can increase current taxes, cause more Social Security to be taxed, or push income into Medicare premium surcharges.

Look for years when income temporarily dips—early retirement before required distributions begin, or after a spouse stops working. Partial conversions during these windows can provide long-term benefits without creating short-term tax strain.

Medicare IRMAA Thresholds Can Catch You Off Guard

One of the most frustrating surprises retirees face is a sudden increase in Medicare premiums tied to income from two years earlier. These Income-Related Monthly Adjustment Amounts, often called IRMAA, can add thousands of dollars in annual healthcare costs.

Large withdrawals, capital gains, or Roth conversions can push income just over a threshold without it being obvious at the time.

Before making major moves, it helps to see an income projection that includes Medicare premiums. In many cases, staying just below an IRMAA threshold preserves more cash flow than a tax deduction gained elsewhere.

Capital Gains Need Coordination

Selling investments, real estate, or business interests in retirement requires more coordination than many people expect.

Capital gains stack on top of other income and can increase taxes on Social Security benefits or trigger higher Medicare premiums. A single sale can affect multiple areas at once.

Review any unrealized gains you’re carrying and consider whether sales can be spread across multiple years. Strategic timing can reduce long-term exposure and keep your income within more favorable ranges.

Charitable Giving Methods Might Need Updating

Many retirees give generously, but the way those gifts are made hasn’t always kept up with tax planning opportunities.

Qualified Charitable Distributions allow individuals over age 70½ to give directly from an IRA to a qualified charity. These distributions can satisfy required minimum distributions without increasing taxable income, which is especially helpful for those who no longer itemize deductions.

If charitable giving is part of your plan, confirm that QCDs are being used correctly and documented properly before filing.

Required Distribution Mistakes Are Still Too Common

Required Minimum Distributions remain one of the most common sources of costly errors in retirement tax planning.

Missing a distribution or miscalculating the amount can lead to penalties, even when the mistake is unintentional. Timing, account type, and age rules all matter.

Double-check that distributions were taken from the correct accounts, in the correct amounts, and before the deadline. If you recently reached the required age, confirm which year counts as your first distribution year.

Spousal Tax Planning Needs Long-Term Thinking

For married couples, tax planning doesn’t end with filing jointly. A strategy that works well today may leave a surviving spouse facing higher tax rates later.

Review whether your current approach still makes sense long term. This may include reassessing account ownership, Roth conversion plans, or withdrawal sequencing to help protect the spouse who remains.

Planning ahead now can ease the financial burden during what’s already a painful time.

Withholding and Estimated Payments Deserve a Check

Many retirees rely on withholding from Social Security or pensions and assume it will be enough. Often, it isn’t.

Compare what was withheld last year with what you actually owed. If there’s a gap, adjusting withholding or setting up estimated payments now can prevent penalties and unnecessary stress when filing.

Where Do You Go From Here

Tax planning in retirement is not a one-time decision. Your income sources change, tax rules shift, and strategies that once worked well may need adjustment.

You don’t need perfection. You need clarity, coordination, and fewer surprises.

If you’re questioning whether your current approach still fits—or you simply want a second set of eyes—help is available. A thoughtful tax strategy can protect your income, manage healthcare costs, and support the legacy you’re building.

Reach out to Barb Swiatek TODAY. Call 719.597.2179 to schedule a conversation. A clearer tax plan today can make a meaningful difference this year and well beyond.