3 Smart Tax Moves to Make Before April 15 (2026 Guide)

Tax season often feels like a compliance exercise. Gather documents. Submit the return. Move on.

But if you are within 5–10 years of retirement — or already retired — April 15 is not just a filing deadline.

It is a strategic checkpoint. Because the decisions you make before you file can influence:

• Your future retirement income

• Your Required Minimum Distributions (RMDs)

• Your Medicare premiums

• The taxation of Social Security

• And ultimately, how much of your money you actually keep
• With 2026 bringing higher marginal brackets and structural tax changes relative to pre-2018 levels, proactive tax planning has become essential—not optional.

Below are three strategic tax moves to consider before April 15 that can help reduce lifetime taxes and strengthen your retirement income strategy.

1. Maximize Retirement Contributions — Strategically

Many people think retirement contribution decisions ended on December 31.They haven’t.

Depending on your situation, you may still be eligible to make:

• Traditional IRA contributions
• Roth IRA contributions
• Catch-up contributions (age 50+)
• Super catch-up contributions (ages 60–63)
• SEP or self-employed retirement contributions
  
  
  

For 2026, retirement contribution limits have increased — creating expanded opportunity for both tax deferral and long-term compounding.

But maximizing contributions is only part of the strategy. The more important question is:

Where are you contributing?

Are you building:

• Taxable accounts
• Tax-deferred accounts (401(k), IRA)
• Tax-free accounts (Roth)

Many pre-retirees unknowingly over-accumulate in tax-deferred accounts. That can feel efficient today — but it can create future RMD pressure.

When RMDs begin at age 73, large tax-deferred balances can:

• Push you into higher tax brackets
• Increase Medicare IRMAA premiums
• Cause more of your Social Security to become taxable

Before April 15, review:

• Whether your contributions were fully optimized
• Whether Roth contributions may improve long-term flexibility
• Whether partial Roth funding creates better tax balance

Tax diversification is not about eliminating taxes.

It’s about controlling them.

Before you finalize your return, ask yourself:

• Do I know what percentage of my retirement savings is taxable vs. tax-free?
• Have I evaluated how RMDs will impact my future tax bracket?
• Am I building income flexibility — or future tax concentration?

If you’re unsure, this is exactly what we review during our 15-Minute Tax Diversification Strategy Check-In.

It’s not about rewriting your return.
It’s about identifying lifetime tax exposure before it compounds.

👉 Schedule your complimentary check-in before April 15.

2. Evaluate Roth Conversions Before Filing

Roth conversions remain one of the most powerful retirement tax planning tools available.

Yet they are frequently misapplied.

A Roth conversion allows you to move money from a tax-deferred IRA into a Roth IRA, paying taxes today in exchange for tax-free growth and withdrawals later.

But timing is everything.

Before filing your return, evaluate whether this year presents a strategic Roth conversion opportunity.

When Roth Conversions May Make Sense

• You are temporarily in a lower tax bracket
• You recently retired but have not started RMDs
• You are between retirement and Social Security
• You expect higher tax rates in the future
• You want to reduce future RMD exposure

What Many Investors Overlook

A Roth conversion increases taxable income in the year executed.

That can:

• Push you into a higher marginal tax bracket
• Trigger higher Medicare premiums (IRMAA)
• Increase Social Security taxation
• Impact deductions or credits

This is why partial conversions are often more effective than large lump-sum conversions.

The goal is not to “convert everything.”

The goal is bracket management.

For many households, the years between retirement and age 73 create a strategic “tax window” where income is temporarily lower — making Roth conversions especially powerful.

Once RMDs begin, flexibility decreases significantly.

Before April 15, review:

• Your current marginal bracket
• How much room remains before the next bracket threshold
• Whether filling that bracket intentionally makes sense

Proactive conversion strategy can reduce lifetime taxes by six figures in some cases.

But it must be coordinated carefully.

👉 Schedule your complimentary check-in before April 15.

3. Coordinate Withdrawals, Deductions, and Income

Your tax return reflects transactions.
It does not reflect strategy.

Retirement tax efficiency depends heavily on coordination — especially as multiple income sources begin interacting.

Before filing, review whether:

• Withdrawals were taken in the most tax-efficient order

• Capital gains were managed intentionally

• Qualified Charitable Distributions (QCDs) were used if age 70½+

• Deductions were bunched or optimized

• Healthcare expenses were strategically timed

HSA contributions were maximized

The Withdrawal Order Problem

Many retirees default to withdrawing from:

• Tax-deferred accounts first
• Or taxable accounts first
• Without modeling long-term bracket impact

Withdrawal sequencing can affect:

• Future RMD size
• Social Security taxation
• Medicare premium brackets
• Long-term portfolio longevity

A one-year decision can ripple forward for decades.

The Hidden Medicare Threshold

Many households underestimate how quickly income can cross IRMAA thresholds — triggering higher Medicare Part B and D premiums.

Those increases are often permanent for the year and can compound if income remains elevated.

Before filing, review:

• Whether income was close to an IRMAA trigger
• Whether charitable strategies could offset taxable income
• Whether deferral or acceleration strategies would improve outcomes

Taxes in retirement are interconnected.

Small coordination gaps today can compound into substantial lifetime tax costs.

Why 2026 Makes This Even More Important

Tax laws change.
Contribution limits shift.
RMD rules evolve.

The 2026 tax landscape reflects higher marginal brackets compared to the temporary reductions introduced in 2018.

That means:

• Tax planning windows may narrow
• Proactive Roth strategy becomes more relevant
• Income diversification becomes more valuable

Waiting until “next year” often means losing flexibility.

Filing your return is the end of last year.

But it’s also the beginning of the next strategic window.

The Real Cost of Inaction

Most costly tax mistakes are not dramatic. They are subtle.

They occur when:

• Roth conversion windows are missed
• RMD exposure goes unmanaged
• Tax-deferred balances grow unchecked
• Medicare premiums rise unexpectedly
• Social Security becomes more taxable than necessary

And because retirement can last 20–30 years, small inefficiencies compound significantly.

The objective is not perfection.

It is intentionality.

👉 Schedule your complimentary check-in before April 15.

Final Thought: Don’t Just File — Strategize

April 15 should not just mark the end of tax season.

It should mark the beginning of coordinated retirement tax planning.

If you would like clarity on:

• Your tax diversification exposure
• Roth conversion timing
• RMD impact projections
• Withdrawal sequencing
• Medicare threshold management

We offer a complimentary 15-minute tax diversification strategy check-in.

In that short conversation, we help you:

• Identify overlooked opportunities

• Clarify lifetime tax exposure

• Coordinate tax decisions with retirement income

• Protect the next 20–30 years of financial flexibility

• Before you file, take 15 minutes to evaluate the strategy behind the numbers. Because once certain tax decisions are locked in, flexibility declines.

Strategic planning preserves options. And options preserve income.

The commentary on this blog reflects the personal opinions, viewpoints and analyses of the author, and should not be regarded as a description of advisory services provided by Foundations Investment Advisors, LLC (“Foundations”), or performance returns of any Foundations client. The views reflected in the commentary are subject to change at any time without notice. Any mention of a particular security and related performance data is not a recommendation to buy or sell that security, or any security. Foundations manages its clients’ accounts using a variety of investment techniques and strategies, which are not necessarily discussed in the commentary. Foundations deems reliable any statistical data or information obtained from or prepared by third party sources that is included in any commentary, but in no way guarantees its accuracy or completeness.This is not endorsed or affiliated with the Social Security Administration or any U.S. government agency.
A Roth conversion may not be suitable for your situation. The primary goal in converting retirement assets into a Roth IRA is to reduce the future tax liability on the distributions you take in retirement, or on the distributions of your beneficiaries. The information provided is to help you determine whether or not a Roth IRA conversion may be appropriate for your particular circumstances. Please review your retirement savings, tax, and legacy planning strategies with your legal/tax advisor to be sure a Roth IRA conversion fits into your planning strategies.