Are Wage Garnishments Pre-Tax or After-Tax?

Wage garnishments are taken after taxes, not before. Your employer first withholds federal, state, and local income taxes along with Social Security and Medicare, and only then applies the garnishment to what’s left. So the answer to whether wage garnishments are pre-tax or after-tax is straightforward: they are after-tax deductions, calculated on a figure the law calls your “disposable earnings.”

That ordering matters for two reasons. It sets the base the creditor’s percentage runs against, and it means the money the creditor takes is still treated as income you earned, so you owe tax on it even though it never reaches your account.

What Disposable Earnings Actually Are

The Consumer Credit Protection Act defines disposable earnings as what remains of your pay after your employer subtracts everything the law requires it to withhold.¹ That’s the figure garnishments run against, and it’s why they’re post-tax by definition.

The mandatory withholdings that come out first include federal income tax, state and local income tax, Social Security, Medicare, and state unemployment insurance contributions where they apply. If your state requires you to contribute to a public retirement system, that comes out too.² Whatever remains is your disposable earnings.

What doesn’t reduce disposable earnings is anything voluntary. Your 401(k) contribution, health insurance premium, union dues, life insurance, and payroll charitable giving are all subtracted after the garnishment is calculated, not before. This catches people off guard. You might be putting 10% of every check into a retirement plan, but the garnishment formula ignores that contribution and treats the money as if it were sitting in your paycheck available to be taken.

Bonuses, Commissions, and Other Lump-Sum Pay

Disposable earnings aren’t limited to your regular salary. Commissions, performance bonuses, signing bonuses, profit-sharing, severance pay, and retroactive raises all count as earnings under the CCPA as long as the payment is compensation for your personal services.² The same percentage limits that apply to a biweekly paycheck apply to a $15,000 bonus.

Where the Garnishment Sits in Your Paycheck

A typical payroll cycle runs in this order:

Gross pay, before anything is taken out.
Mandatory withholdings come off next: federal and state income tax, Social Security at 6.2%, Medicare at 1.45%, and other legally required deductions. What’s left is disposable earnings.
The garnishment is applied to disposable earnings, subject to the federal or state cap for the type of debt.
Voluntary deductions come out last: 401(k), insurance premiums, union dues, and similar elections.

The result of that last subtraction is your net pay. Because the garnishment falls between mandatory taxes and voluntary deductions, it functions as a post-tax, pre-voluntary deduction.

One consequence surprises people: you still owe income tax on the garnished amount. The IRS treats garnished wages as income to you because the payment satisfies a debt you owed. Your W-2 will reflect the full pre-garnishment earnings, and you’re taxed on that full number even though the creditor received part of it directly.

How Much Can Be Taken From Disposable Earnings

The percentage that comes off your disposable earnings depends on what kind of debt is being collected. The base is always post-tax; what changes is the size of the bite.

Ordinary Creditor Debts

Credit cards, medical bills, personal loans, and similar consumer debts fall under the standard CCPA cap. The weekly maximum is the lesser of two figures: 25% of disposable earnings, or the amount by which disposable earnings exceed 30 times the federal minimum wage.³ With the federal minimum wage at $7.25, that 30-times threshold works out to $217.50 per week.²

If your weekly disposable earnings are $217.50 or less, no garnishment can be taken at all. Between $217.50 and $290, only the amount above $217.50 is reachable. Above $290, the 25% cap produces the smaller number and controls. Many states set stricter limits than this federal floor, and the more protective rule applies.

Child Support and Alimony

Support obligations run against much higher caps. If you’re supporting another spouse or dependent child beyond the one covered by the order, the ceiling is 50% of disposable earnings. If you’re not supporting anyone else, it’s 60%. If you’re more than 12 weeks behind, add 5 percentage points, bringing the maximums to 55% and 65%.⁴ The base is still disposable earnings, so the calculation remains post-tax; the percentage just runs much higher.

Federal Tax Levies

IRS wage levies don’t use the CCPA percentage system at all. Instead, the IRS exempts a fixed dollar amount based on your filing status, pay frequency, and number of dependents, and takes everything above that exempt amount.⁵ The exempt figures are updated each year in IRS Publication 1494.⁶

When the levy hits, your employer will give you a Statement of Dependents and Filing Status. Complete and return it within three days. If you don’t, the exempt amount defaults to the lowest figure on the table, as if you were married filing separately with no dependents, and the IRS takes a much larger share of your check.⁵

Defaulted Federal Student Loans

The Department of Education or a guaranty agency can garnish up to 15% of disposable pay per pay period through administrative wage garnishment, without first suing you.⁷ That 15% runs against the same post-tax base as other CCPA garnishments. You must receive written notice at least 30 days before the garnishment begins, and requesting a hearing within 15 days pauses it until the hearing is held.

Income That Doesn’t Enter the Calculation

Not everything you receive is treated as earnings a creditor can reach. Social Security retirement, disability, and survivor benefits are broadly protected: the statute says they cannot be subject to garnishment, levy, attachment, or any other legal process, and no other law overrides that protection unless it does so by explicitly referencing the statute.⁸ Child support orders and federal tax levies are the main exceptions that can reach Social Security income.

Supplemental Security Income, veterans’ disability payments, and various federal employee retirement payments carry similar protections under other federal statutes. For ordinary creditor garnishments, these income sources generally never enter the disposable earnings figure in the first place.

If the Amount Looks Wrong

Your employer runs the math, but the calculation isn’t always right, and the underlying garnishment isn’t always valid. For ordinary creditor judgments, most states let you file a claim of exemption with the court that issued the order. You’ll typically need to show that the garnishment would leave you unable to cover basic living expenses, or that some of the income being reached is legally exempt. Deadlines are short, often just a few weeks from the notice, so moving quickly matters.

For federal student loan garnishments, the statute gives you a right to a hearing on the debt’s existence, amount, or repayment terms, and lets you argue extreme financial hardship.⁷ For IRS levies, you can request a Collection Due Process hearing or negotiate an installment agreement or currently-not-collectible status, either of which can stop or reduce the levy.

Whatever the debt, ignoring the paperwork is the costliest response. Every garnishment process is built around notice and response deadlines, and missing them usually means the full deduction proceeds by default, on a post-tax base you didn’t get to contest.

1
Office of the Law Revision Counsel. 15 US Code 1672 – Definitions
2
U.S. Department of Labor. Fact Sheet 30 – Wage Garnishment Protections of the Consumer Credit Protection Act
3
Office of the Law Revision Counsel. 15 US Code 1673 – Restriction on Garnishment
4
Administration for Children and Families. Is There a Limit to the Amount of Money That Can Be Taken from My Paycheck for Child Support
5
Internal Revenue Service. Information About Wage Levies
6
Internal Revenue Service. IRS Publication 1494 – Tables for Figuring Amount Exempt from Levy on Wages, Salary, and Other Income
7
Office of the Law Revision Counsel. 20 US Code 1095a – Wage Garnishment Requirement
8
Office of the Law Revision Counsel. 42 US Code 407 – Assignment of Benefits