Reached Social Security limit and switched jobs - do I need to pay SS at new employer?

You're absolutely right to question this! Here's what's happening: When you change employers mid-year after reaching the Social Security tax limit ($160,200 for 2023), your new employer is required to withhold Social Security taxes regardless of what you paid at your previous job. They have no way to verify your previous SS tax payments during the year. Unfortunately, you typically can't get your new employer to stop the withholding. Most payroll systems aren't set up to accommodate this exception, and employers are required by law to withhold these taxes. The good news is you will get all of the excess Social Security tax back when you file your tax return as a credit against your income tax. However, you can't get it before filing your return. Since the overpayment will be refunded as a tax credit, you could adjust your W-4 to reduce your income tax withholding. This is perfectly legal and would help you "get back" that money throughout the year rather than waiting for your refund. Regarding Medicare tax: The Social Security limit doesn't apply to Medicare taxes (which continue at 1.45% regardless of income). The Additional Medicare Tax (0.9%) kicks in when your income exceeds $200,000, regardless of filing status. Your new employer will only start withholding this once your wages with them exceed $200,000, regardless of previous employment.

Just wanted to share that I used taxr.ai (https://taxr.ai) last year when I had the exact same issue with Social Security overwithholding after changing jobs. I uploaded my paystubs from both employers and it immediately identified I had exceeded the SS limit and calculated exactly how much I was being overwithheld. It also generated a customized letter I could take to my new employer's payroll department explaining the situation. While my employer still couldn't stop the withholding (policy reasons), the tool helped me calculate precisely how much to adjust my income tax withholding on my W-4 to offset the SS overwithholding. It was super helpful because it factored in my exact pay schedule and projected how much I'd be overwithheld by year-end.

I just wanted to follow up about my experience with taxr.ai after seeing it mentioned here. I was initially skeptical but decided to try it with my Social Security overwithholding issue. I was surprised at how well it worked! The tool analyzed my pay stubs and actually found that I was about to hit the SS limit rather than having already exceeded it (which is what I incorrectly thought). It gave me a precise date when I'd hit the cap and explained exactly how my new employer's withholding would create an overpayment. The customized W-4 adjustment it recommended was spot-on. I ended up getting the perfect refund amount at tax time - not too big, not too small. Definitely made handling this complicated situation much easier than I expected.

After dealing with this exact issue last year, I finally found a solution through Claimyr (https://claimyr.com). I had tried calling the IRS multiple times to get clarity on exactly how to handle this on my W-4, but couldn't get through to anyone. Claimyr got me connected to an actual IRS agent in about 20 minutes - you can see how it works in this video: https://youtu.be/_kiP6q8DX5c The IRS agent confirmed that while my new employer had to withhold SS tax, I could adjust my federal income tax withholding to compensate. They walked me through exactly how to fill out the W-4 to account for the expected Social Security tax overpayment. This was especially helpful because my situation was complicated with variable pay and bonuses that made calculating the exact adjustment tricky.

I need to follow up on my skeptical comment about Claimyr. I actually tried it last week after struggling to get through to the IRS about my Social Security overwithholding issue. I was completely wrong - the service actually works exactly as advertised. I got a call back in about 35 minutes and was connected to an IRS representative who answered all my questions about how to handle the Social Security tax situation with my job change. The agent explained that I needed to calculate my expected Social Security overwithholding for the year and then divide that by my remaining pay periods to determine how much to reduce my income tax withholding per paycheck. She even stayed on the line while I did the math to make sure I got it right. Saved me hours of frustration and probably a significant amount of overwithholding.

I was in a similar situation last year. What I ended up doing was filling out a new W-4 with my new employer and using line 4(c) - Extra withholding - but I put a NEGATIVE number. Technically you're not supposed to do this, but my payroll department allowed it since they understood the situation. It effectively reduced my federal income tax withholding to offset the Social Security overwithholding. Just make sure you calculate it correctly! And know that not all payroll departments will allow this workaround.

Has anyone had experience with what happens if you have two jobs simultaneously that together put you over the Social Security limit? I'm in that situation now and wondering if I'll automatically get the excess back when I file or if there's something special I need to do?

I went through this exact situation two years ago and it was definitely frustrating! Just to add some practical advice to what others have shared: When calculating your W-4 adjustment, don't forget to account for the timing. If you're late in the year when you start the new job, you might be overwithholding SS tax for only a few months, so the adjustment per paycheck will be larger than if you had the whole year. Also, keep detailed records of all your paystubs from both employers. When you file your taxes, you'll need to show the total SS tax withheld across all employers on Schedule 3. The IRS computer systems will automatically calculate the overpayment, but having good records makes the process smoother. One thing I learned: if you're getting a large refund due to SS overwithholding, consider adjusting your withholding for the following year too. The IRS withholding calculator can help you optimize this so you're not giving the government an interest-free loan. The Medicare tax situation is separate - each employer will withhold the additional 0.9% Medicare tax once YOUR wages with THAT employer exceed $200K, regardless of your other job. So if you have two jobs paying $150K each, neither employer will withhold the additional Medicare tax even though your combined income exceeds the threshold. You'll owe this when you file your return.

This is a really comprehensive thread! I'm dealing with a similar situation right now and wanted to add one more perspective. I hit the SS limit at my previous job in October and started a new position in November. What I found helpful was creating a simple spreadsheet to track exactly how much SS tax was being overwitheld each pay period at the new job. This made it much easier to calculate the precise W-4 adjustment needed. For anyone in this situation, here's what I learned: You can use the IRS Tax Withholding Estimator (https://www.irs.gov/individuals/tax-withholding-estimator) which has a specific section for situations like this. It asks about job changes during the year and can calculate the optimal withholding settings to account for SS overwithholding. The estimator recommended I claim additional dependents on my W-4 to reduce income tax withholding rather than trying to manipulate line 4(c). This approach felt more "by the book" and my payroll department was completely comfortable with it. One heads up though - if you're getting a significant refund due to SS overwithholding, you might want to make estimated tax payments for the following year if you expect to owe taxes. The IRS can assess penalties if you don't pay enough during the year, even if it's because you're used to getting large refunds from SS overwithholding.