Top 10 Tax Gotchas for Transitioning Military Members

Leaving active duty brings a long list of decisions—where to live, what job to take, what to do with your TSP, and how to structure the next phase of your career. Taxes probably aren't at the top of that list. But for many military retirees, transition creates the biggest change to their tax situation in decades. Here are ten issues worth thinking about before your first post-military tax return is due.

1. Your Withholding May Be Too Low

You may suddenly have military retired pay, civilian wages, a spouse's income, bonuses, investments, and consulting income hitting the same tax return. The problem? Each payer generally withholds based on what it pays you—not your entire household tax picture.

Planning point: Once your civilian compensation is known, project your total tax liability and make sure your withholding is keeping pace.

2. Military Retirement and VA Disability Are Taxed Differently

Military retired pay is generally subject to federal income tax. VA disability compensation generally is not. That difference matters when comparing your military and civilian compensation and building your post-transition budget.

Planning point: Focus on after-tax income, not just the gross numbers.

3. Your State Tax Situation Can Change

The residency rules you've lived under while on active duty don't necessarily follow you into retirement. Where you live, where you work, your spouse's employment, and how your state treats military retirement income can all affect your state tax bill.

Planning point: If you're considering a move after retirement, taxes should be one factor in the decision—preferably before you establish residency.

4. Don't Automatically Move Your TSP

Retiring doesn't mean your TSP needs to move. Depending on your circumstances, leaving it alone, rolling it into another employer plan, or moving funds to an IRA can each have advantages and disadvantages. There is no universally correct answer.

Planning point: Decide what you're trying to accomplish before moving retirement assets simply because you've retired.

5. Look for a Roth Planning Window

Military transition can occasionally create an unusually low-income year—perhaps you retire midyear, take several months off, or don't begin your civilian career until the following year. That temporary drop in taxable income may create an opportunity for Roth conversions or other tax planning before your income increases again.

Planning point: Look at several years of projected income rather than treating each year's tax return independently.

6. Take Advantage of Your Civilian Earning Years

A military pension provides a tremendous retirement foundation. It shouldn't become a reason to stop aggressively saving for retirement. Your post-military career may also include some of your highest earning years.

Planning point: Understand your new employer's retirement plan and take advantage of tax-advantaged savings opportunities while your income is high.

7. 1099 Income Is Different From W-2 Income

Consulting is a common next step for senior military leaders. But $25,000 of consulting income isn't necessarily taxed the same way as another $25,000 of W-2 wages. Self-employment tax, estimated payments, business deductions, retirement-plan opportunities, and entity decisions can all enter the picture.

Planning point: If consulting becomes meaningful income, address the business and tax structure early. Forming an LLC by itself doesn't change how you're taxed.

8. Your New Compensation May Be More Complicated Than Your Military Pay

Civilian compensation can introduce signing bonuses, annual incentives, RSUs, stock options, deferred compensation, and other benefits that may be completely new after a military career. A large bonus can also leave you underwithheld even when your employer handled the payment correctly.

Planning point: Understand the tax treatment of your entire compensation package—not just the salary number in your offer letter.

9. Don't Spend a Dollar Just to Save 30 Cents in Taxes

As income increases, so does the temptation to chase "tax write-offs." Buying equipment, real estate, or starting a business solely for a deduction usually puts the tax decision ahead of the financial decision. A deduction makes an expense less expensive. It doesn't make a bad investment good.

Planning point: Make the economic decision first. Then determine the most tax-efficient way to execute it.

10. Don't Wait Until Tax Season

This may be the biggest gotcha.

By the time your CPA prepares your return, your retirement date, civilian compensation, residency, retirement contributions, investments, consulting income, and withholding decisions have already happened. At that point, many planning opportunities are gone.

Tax preparation tells you what happened. Tax planning gives you an opportunity to influence what happens.

The Bottom Line

Military retirement isn't simply the end of one career. For many senior leaders, it's the beginning of their highest-earning and most financially complex years. The goal isn't to eliminate taxes or find every possible deduction. It's to understand how the pieces fit together and make informed decisions that improve your long-term after-tax financial position. A little planning during the transition can prevent some expensive surprises the following April.

Mark Kennedy, CPA, is the founder of Target Wire Accounting & Tax. A retired Navy officer and airline pilot, Mark works with military retirees and other professionals navigating significant financial transitions. This article is intended for general educational purposes and should not be considered individualized tax, legal, investment, or financial advice.