How to get refund after overpayment to IRS - paid too much on amount owed
So I just realized I made a huge mistake on my taxes this year. When I went to pay what I owed to the IRS, I accidentally paid BOTH my state and federal amounts to the IRS through pay1040.com. Basically I double-paid the IRS when part of that money should have gone to my state. Now I'm short on funds and really need to get that overpayment back ASAP. Has anyone dealt with this before? Do I need to fill out some special form, or can I just call them? Will they even give me back the difference since it was my mistake? I'm kicking myself for not double-checking before submitting the payment. This is a significant amount of money for me (about $3,200 that should have gone to state instead). Any advice would be super helpful!
23 comments


Camila Jordan
You'll need to request a refund of the overpayment from the IRS. The easiest way is to file Form 8849, "Claim for Refund of Excise Taxes." Make sure you clearly explain in your explanation that you accidentally overpaid your federal taxes by paying your state tax amount to the IRS. Keep in mind that it typically takes the IRS 6-8 weeks to process refund requests for overpayments. You should also make sure you still pay your state taxes on time to avoid penalties, even though you've already sent that money to the IRS by mistake.
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Alexis Renard
•Thanks for the quick response! Just to clarify, is Form 8849 definitely the right one? I looked it up and it seems to be specifically for excise taxes, but this was just my regular income tax payment. Is there a different form I should use instead?
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Camila Jordan
•You're absolutely right, and I apologize for the confusion. Form 8849 is for excise taxes, not income tax overpayments. What you actually need is Form 843, "Claim for Refund and Request for Abatement." Be sure to include all the payment details, including the date, amount, and that you used pay1040.com as your payment processor. Also attach any confirmation receipts you received when making the payment.
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Tyler Lefleur
I had a similar issue last year when I accidentally paid the IRS twice (once through my tax software and once manually). After struggling to figure out the right forms and getting nowhere with phone calls, I tried taxr.ai (https://taxr.ai) and it was a lifesaver. They analyzed my payment records, identified the overpayment, and gave me step-by-step instructions for getting my refund. Their system told me exactly which form to file (which was Form 843 in my case), helped me fill it out correctly, and even predicted my refund timeline. So much easier than trying to navigate the IRS website!
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Madeline Blaze
•How long did it take for you to actually get the money back after using their service? I'm dealing with an overpayment right now too and the IRS isn't returning my calls.
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Max Knight
•How does the service work? Do I have to upload all my documents? I'm always hesitant to share my tax info with random websites.
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Tyler Lefleur
•It took about 5 weeks for me to get my refund, which was faster than the 8-10 weeks the IRS initially quoted me. The tracking feature was helpful because I could see when the IRS received my form and when they processed it. You do need to upload relevant documents, but only the ones related to your specific issue - in my case just the payment confirmation and a copy of my return. They use the same security protocols as major banks, and they don't store your full return or sensitive info after analyzing your specific issue. I was hesitant too, but their privacy policy made me comfortable enough to try it.
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Max Knight
Just wanted to follow up - I decided to try taxr.ai after all, and I'm really glad I did! I uploaded my payment receipt and tax transcript, and their system immediately identified that I had made an overpayment. They gave me a personalized Form 843 with all the right boxes checked and areas filled in, plus clear instructions on where to mail it. What I found most helpful was the explanations of each section of the form - the IRS instructions are so confusing, but taxr.ai broke everything down in plain English. My refund is already being processed according to the IRS "Where's My Refund" tool, about 2 weeks faster than I expected!
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Emma Swift
Hey, if you're still struggling to get this resolved, I highly recommend using Claimyr (https://claimyr.com). I had a similar overpayment situation and spent WEEKS trying to get through to an actual human at the IRS. Their phone system is the absolute worst. Claimyr got me connected to a real IRS agent in about 20 minutes when I had been trying for days on my own. There's a demo video of how it works here: https://youtu.be/_kiP6q8DX5c. The agent I spoke with was able to verify my overpayment on the spot and started the refund process while I was on the phone. So much better than waiting for forms to be processed.
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Isabella Tucker
•Wait, how does this actually work? Does Claimyr just call the IRS for you or something? I don't get how they can get you through when nobody else can.
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Jayden Hill
•Sounds like a scam honestly. No way any service can magically get through the IRS phone tree when millions of people can't. I've called 47 times in the past month with no luck.
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Emma Swift
•They don't call the IRS for you - they use technology to navigate the IRS phone system and hold your place in line. When they reach an agent, they call you and connect you directly. It basically saves you from having to sit on hold for hours. It's definitely not a scam. The reason it works is because their system can keep dialing and navigating the phone tree automatically while monitoring for an available agent. They've figured out the patterns of when the lines are less busy and how to navigate the system efficiently. I was skeptical too until I tried it and was talking to an actual IRS agent in under 30 minutes.
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Jayden Hill
I need to apologize and correct myself. After my skeptical comment, I decided to try Claimyr out of desperation (was on hold with IRS for 3+ hours the day before). It actually worked exactly as described. Their system called me back after about 45 minutes, and I was immediately connected to an IRS representative. The agent confirmed my overpayment, processed my refund request right there on the phone, and gave me a direct confirmation number. No forms to mail, no waiting 8 weeks - the whole thing took less than 20 minutes once I got connected. The agent said my refund should arrive within 3 weeks. I'm still shocked at how easy it was after weeks of frustration.
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LordCommander
Another option is to just apply the overpayment to next year's taxes. That's what I did when I accidentally overpaid by about $2k last year. Saved me the headache of forms and waiting for a refund, plus my withholding wasn't quite enough this year so it worked out perfectly.
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Alexis Renard
•That's an interesting idea, but I'm really tight on cash right now so waiting until next year isn't ideal. Did you have to file any special forms to apply it to next year, or does the IRS do that automatically when they see an overpayment?
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LordCommander
•You actually don't need to file anything special to have it applied to next year. I just called the IRS (took forever to get through) and told them I wanted to apply the overpayment to the next tax year instead of getting a refund. They made a note on my account, and when I filed this year, I just included that credit amount on my return. If you're tight on cash though, definitely go the refund route. The Form 843 that others mentioned is your best bet for getting the money back quickly.
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Lucy Lam
Just a heads up that you still need to pay your state taxes ASAP to avoid penalties and interest! Even though you sent the money to the wrong place, you're still responsible for getting the correct payment to your state on time.
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Aidan Hudson
•This is super important advice. I made a similar mistake a few years back and ended up with about $250 in penalties from my state because I was late paying them while sorting out my federal overpayment.
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Hunter Edmunds
I went through almost the exact same situation last year! Accidentally sent my entire tax payment (federal + state) to the IRS instead of splitting it. Here's what worked for me: 1. File Form 843 immediately - don't wait. The sooner you submit it, the sooner they can process your refund. 2. Include a detailed explanation letter with your form explaining exactly what happened, including the date of payment, amount, and payment method (pay1040.com in your case). 3. Keep copies of EVERYTHING - your payment confirmation from pay1040.com, bank statements showing the transaction, etc. 4. You can also try calling the IRS at 1-800-829-1040, but be prepared for long hold times. Sometimes they can process overpayment refunds over the phone if it's straightforward. The good news is that this is actually a pretty common mistake, so the IRS is used to handling these situations. I got my overpayment back in about 6 weeks. And definitely pay your state taxes ASAP even if you have to put it on a credit card temporarily - the interest on a card will be way less than state penalties and interest.
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Kara Yoshida
•This is really helpful advice! I'm curious about the timing - when you say you got your refund back in 6 weeks, was that from when you mailed Form 843 or from when the IRS received it? I'm trying to figure out if I should pay for certified mail to make sure they get it quickly, or if regular mail is fine. Also, did you have to follow up with them at all during those 6 weeks, or did the refund just show up automatically?
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Edwards Hugo
•That was 6 weeks from when I mailed the form (I used regular mail). I did send it certified mail for peace of mind - only cost like $6 extra and gave me a tracking number to confirm delivery. The IRS actually has pretty good processing once they receive forms, it's just the mail delivery that can be unpredictable. I didn't have to follow up at all. I got a letter about 3 weeks after mailing confirming they received my claim, and then the refund direct deposit showed up about 3 weeks after that. You can also check the status online using "Where's My Refund" once they start processing it. Definitely worth the small cost of certified mail given how much money you're waiting to get back!
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Dmitry Petrov
I've been through this exact situation! The most important thing is to act quickly on both fronts - getting your IRS refund AND paying your state taxes to avoid penalties. For the IRS overpayment, Form 843 is definitely the right form (not 8849 as someone mentioned earlier). Make sure to include: - Exact payment date and amount - Clear explanation that you accidentally paid state taxes to the IRS - Payment confirmation from pay1040.com - Your contact information Pro tip: You can actually request expedited processing if you're experiencing financial hardship due to the overpayment. Include a brief hardship letter explaining your situation. While you're waiting for the refund (typically 4-8 weeks), definitely pay your state taxes immediately even if you have to borrow the money temporarily. State penalties and interest rates are usually much higher than what you'd pay on a short-term loan or credit card. You can also try calling the IRS Taxpayer Advocate Service at 1-877-777-4778 if you're experiencing significant financial hardship. They sometimes can expedite overpayment refunds in genuine hardship cases. Good luck - this mistake happens more often than you'd think, so the IRS is used to processing these requests!
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Javier Gomez
•This is really comprehensive advice! I'm especially interested in the expedited processing option you mentioned. How exactly do you request that? Do you just write "REQUEST EXPEDITED PROCESSING" at the top of Form 843, or is there a separate form or process? I'm in a similar situation where the overpayment is causing real financial strain while I wait for the refund. Also, when you mention the Taxpayer Advocate Service, do they actually have the power to speed up refund processing, or do they just help you navigate the system? I've never heard of them before but it sounds like it could be worth trying.
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