Why You May Owe the IRS in 2026 — Even If You Never Have Before
Written by
Gabrielle Olya
Edited by
Molly Sullivan
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Filing your tax return may come with an unpleasant surprise this year: You may owe money, even if you received a refund in past years. Changes in withholding, new side income, fewer deductions and higher everyday costs can quietly add up, leaving some Americans facing an unexpected tax bill in 2026.
Here’s a closer look at why you might unexpectedly owe taxes this year, and what to do if you can’t pay your tax bill.
Why More Americans Are Owing Taxes in 2026
One reason so many taxpayers may face a surprise tax bill is what some experts call a “hidden inflation tax,” said William Stern, CEO and founder of Cardiff, a small-business lender.
“The cost of living has absolutely exploded over the last two years, completely squeezing the middle class,” he said. “To survive, people are picking up gig work, starting 1099 side hustles or liquidating assets just to cover their basic overhead.”
That extra income can help households stay afloat — but it often comes with tax consequences.
“Since that independent income doesn’t automatically withhold taxes, [many Americans are] getting hit with a massive, unexpected tax bill in April,” Stern said. “It’s just the brutal math of an inflation crisis.”
What To Do If You Can’t Pay Your Tax Bill Right Away
An unexpected tax bill — especially one that runs into the thousands — can be a shock for households already stretched by higher prices and debt. But ignoring the problem only makes it worse.
“You never hide from the IRS,” Stern said. “They’re the most ruthless collection agency on the planet. You file your return on time, no matter what, because the financial penalty for failing to file is astronomically higher than the penalty for failing to pay.”
Filing on time preserves your options. In many cases, the best next step is to set up a payment plan with the IRS.
“Face the reality and set up a formal installment agreement,” Stern said. “Don’t panic, and definitely don’t put a massive tax bill on a 25% interest credit card. Protect your liquidity, negotiate the debt and pay it down systematically.”
How To Avoid an Unexpected Tax Bill Next Year
If you’re caught off guard by a tax bill this year, it’s often a signal that something needs to change. Preventing the same surprise next year means planning well ahead of the next Tax Day.
“If you have side hustle income, you need to make quarterly estimated payments and adjust your W-4 withholdings immediately,” Stern said. “Don’t wait until April to find out if you’re bankrupt. Look at your gross income and project your cash flow 12 months out. The government isn’t going to manage your money for you, so you have to take absolute control of your own numbers.”
Tracking income more closely and setting aside money throughout the year can make paying your taxes more manageable in future years.
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