Income tax on part time job

SHE makes only 28K. Based on that there will be very little income tax taken out. At the end of the day when you file it will be taxed in the tax bracket that you are in jointly. So yes prepare for taxes. I would do extra withholding from her check at whatever tax bracket you are in. Probably mininum 20%

That income is joint income. She should have extra taken per check to make up for a tax shortfall

It is joint income, no matter who makes it. If they are paying her without taxes, then she is 1099.
If she is W2, she needs to ask them to do FICA, federal and local taxes

Filing together means you add her salary to yours, it could actually put you in a higher bracket depending on your current salary.

So say you make 90k rt now, she will bump you to that 22% bracket.

You say that like it's a bad thing

quote:

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If im not mistaken that means you go from 12%-22% ... it could be breaking even

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I think you misunderstand tax brackets. When you cross over to the next tax bracket, you only pay higher tax on the EXTRA money (not all the money). Here are real world examples of taxes for a couple married filing jointly in 2023:

Taxable
Income --> Taxes:
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$89,000 -> $10,243
$90,000 -> $10,421
$91,000 -> $10,641
$92,000 -> $10,861


And while you are correct that the 22% tax bracket starts at $89,451, it is based on TAXABLE INCOME, which is after you take the standard deduction of $27,700. This means you won't reach the 22% bracket until you make at least $117,151 (assuming you don't have other deductions, but let's keep it simple). The first dollar over $117,151 is taxed at 22%, but the rest is taxed lower than that.

What?

He doesn’t seem to understand that it’s per earner and not per household.

Yes. For you. Your wife would also have the same withdrawals up to the same about of income.

IOW, the withholding is per person, not per household.