Direct answer
A relocation gross-up adds extra cash to cover the taxes on your moving reimbursement. Because employer-paid relocation money counts as taxable wage , a $5,000 move can cost you $1,600-$2,000 in federal and state tax. The gross-up formula scales the payment so your net lands on the promised number.
Updated November 9, 2026 · Reviewed against IRS — tax guidance
Why Gross-Ups Exist
A relocation gross-up adds extra cash to cover the taxes on your moving reimbursement. Because employer-paid relocation money counts as taxable wage, a $5,000 move can cost you $1,600-$2,000 in federal and state tax. The gross-up formula scales the payment so your net lands on the promised number.
Running the Gross-Up Math
Net = payment divided by (1 - marginal rate). For a 22% federal rate plus 6% state, a $5,000 net target needs roughly $6,900 gross. Ask for the gross-up in the offer letter as a fixed multiplier, not a promise to "handle taxes later." Compare the terms with the relocation tax guide and the reimbursement guide before signing.
Reimbursement Plans Beat Allowances
- An accountable plan with receipts keeps reimbursement tax-free up to IRS rates.
- Flat allowances are fully taxable wage — ask for a gross-up on top.
- Mileage paid under the 2026 rate stays non-wage when substantiated; see the mileage reimbursement guide.
Negotiate the package in writing with the relocation resignation generator when your employer refuses the move, and use the salary negotiation tool to price the gross-up line item. Related: relocation negotiation tactics.
Exit Claws and Repayment Clocks
Most relocation deals carry a 12-24 month repayment claw if you quit. Layoff language often cancels the claw — get it in writing. The gross-up portion usually follows the same claw rule, so repayment is on gross, not net. Ask for a pro-rata schedule; see bonus clawback rules for the same clause pattern. Final pay sequencing is covered in the final W-2 guide.
Put the rule into action
A gross-up promise without a formula is a promise about a number you cannot check. Ask which rates the employer applies and what the formula excludes.
- Which federal rate is used: a flat supplemental withholding rate, or your marginal rate.
- Whether the state and local rate of the origin or destination is applied, since the two differ.
- Whether payroll taxes are included in the grossed-up amount, or excluded and left on you.
- Whether the gross-up itself is grossed up, which changes the total materially.
- Whether reimbursement under an accountable plan is grossed up at all, since those dollars may not be wages.
Write the algebra once: net target divided by one minus the combined rate equals the gross needed. Then ask the employer to state the combined rate in the offer letter as a fixed multiplier. Price the line alongside base and bonus using the salary negotiation email writer and the salary counteroffer calculator, and read the gross-up definition before you sign.
Where Gross-Ups Go Wrong
Three mistakes turn a grossed-up package into an out-of-pocket move.
- Wrong state line: moving from a no-income-tax state to a high-tax state raises your rate, and a gross-up built on the origin rate under-funds the move.
- Allowance instead of reimbursement: a flat allowance is fully taxable wages, while substantiated reimbursement under an accountable plan is not. Ask which structure applies to each line.
- Mileage and per-diem caps: amounts above the published IRS rates become wages. Confirm the current IRS mileage rate for the year of your move before you assume a drive is covered.
Ask for reimbursement receipts deadlines in writing too. A receipts window that closes before you have moved means the reimbursement arrives late and the tax year changes. Send the receipts schedule request with the relocation package request so it is dated on the record.
Reading The Gross-Up Line On A Pay Stub
The gross-up usually appears as its own payroll line, which makes it easy to lose in year-end reconciliation.
- Identify the line name the employer uses and keep the pay stub that shows it.
- Confirm gross wages include the relocation and the gross-up, so withholding matches the actual payment.
- Check whether the payment lands in box 1 of the W-2 and whether state lines follow the state where you worked.
- Note the tax year. A move paid across December and January splits the income between two returns.
If the payment arrives after separation, or is repaid later, the reconciliation matters more: a repayment is not a wage reversal unless payroll processes it. Keep the relocation agreement, the receipts, and the pay statements together, and work the paperwork side inside the equity and tax section alongside your final W-2 records.
| Payment Type | Tax Treatment To Confirm | How To Reduce The Tax |
|---|
| Flat lump allowance | Fully taxable wages | Negotiate a stated gross-up multiplier |
|---|
| Receipted reimbursement | Often non-wage under an accountable plan | Keep substantiation and file on time |
|---|
| Mileage driven | Non-wage up to the published IRS rate | Log dates, routes, and miles |
|---|
| Temporary housing | Varies by structure and duration | Ask which line is grossed up |
|---|
| Home-sale assistance | Commonly taxable if a cash benefit | Request a defined cap instead of cash |
|---|
The live rule text sits on the New York Severance Offset rule page and the New Jersey Severance Offset rule page, along with the Severance Pay definition. Confirm there before you put a date or a dollar amount in writing.
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Frequently Asked Questions
- Why does a relocation allowance cost me money?
- Employer relocation money is taxable wage for most moves after 2017. A payment that covers your costs can still leave several thousand dollars of federal, state, and payroll tax on you unless it is grossed up.
- What gross-up multiplier should I ask for?
- Ask for the combined rate the employer applies and the formula, not a single percentage. Net divided by one minus the combined rate is the gross, and the state line you move to changes the answer.
- Is a grossed-up relocation repaid at gross or net?
- Most clawbacks are written against the gross payment, including the gross-up portion. Ask for a pro-rata schedule tied to months served, and confirm whether a layoff cancels repayment entirely.
- Do receipts change the tax on my move?
- Yes. Substantiated reimbursement under an accountable plan is treated differently from a flat allowance, so receipts can keep dollars out of wages. Ask for the receipts deadline and submit before it closes.
The gross-up multiplier, the receipts route, and the taxable line are IRS rules, and the reimbursement mandate that decides which costs are owed is a state rule graded in this build from reported sources. Confirm the reimbursement mandate and the claim deadline with the state agency named on the state rule pages, ask for the gross-up formula rather than a net number, and keep the state line you move to in the same file as the offer. Ask for the gross-up line, the receipts route, and the state split in one document with the relocation package request generator.
Sources (official record — verify before filing)
IRS — tax guidance