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Laura Lopez

Can I declare single on my W4 for higher withholding despite being married?

I just did my tax estimate for 2025 and I'm going to owe for the first time ever. I'm feeling so stupid and embarrassed right now. I got married in June 2024 but with all the changes to the W4 form, I didn't realize I needed to update anything. When I filled out my W4, I never checked the box that indicates my spouse also works. If I check that box now, will that increase how much is withheld from my paychecks? Or can I just select "Single" as my filing status instead? Also, my state's W4 form only asks for filing status without any specific question about whether my spouse works. Is it legal for me to just claim "Single" on that form? Would that help increase my withholding so I don't end up owing again next year? I'm really stressing about this and don't want to make the same mistake twice. Any advice would be greatly appreciated!

You're definitely not stupid! This trips up a lot of people, especially after marriage. The W4 is actually meant to help you avoid owing at tax time, so let's get it straight. On your federal W4, you have a few options. Technically, you should select your correct marital status (married) and check the box that says your spouse works too. This will increase your withholding to account for both incomes pushing you into higher tax brackets. Selecting "single" when you're married isn't technically correct, but some people do it as a withholding strategy since it withholds at a higher rate. For your state W4, the rules vary by state, but generally you should use the same filing status as your federal return. Some states have fewer options for adjusting withholding, which is why you don't see the "spouse works" checkbox. If you want to be completely by-the-book, use your correct marital status and use the "extra withholding" line on both forms to specify an additional amount to be withheld from each paycheck. The IRS has a tax withholding estimator on their website that can help you figure out exactly how much extra to withhold.

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Thanks for this response! Question - if I do put "married" but check the "spouse works" box, approximately how much more will they withhold? Like is it a small amount or significant? And for the "extra withholding" line, is there a way to calculate what I should put there?

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Checking the "spouse works" box typically results in withholding similar to the "single" rate, which could be fairly significant depending on your income level. For someone making $60,000, it might be an extra $200-300 per month in withholding compared to "married" without checking that box. For calculating extra withholding, use the IRS Tax Withholding Estimator (search for it on irs.gov). It walks you through your specific situation and recommends an exact dollar amount for that extra withholding line. Much more accurate than guessing, and you can adjust it anytime your situation changes.

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After struggling with a similar situation last year (owed $4,300!), I discovered taxr.ai https://taxr.ai and it literally saved me from making the same mistake again. I uploaded my W2s and my spouse's income info, and it analyzed everything to show exactly how to fill out our W4s to prevent owing money. What I liked is it actually explained WHY we were getting hit with a tax bill despite both claiming "Married" on our W4s. Apparently when both spouses work, the standard W4 calculations don't account for the combined income pushing you into higher tax brackets. The tool generated custom W4 forms for both of us with the right settings and extra withholding amounts. Super helpful if you're not a tax expert but want to avoid surprises.

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Does this actually work for state withholding too? My federal is usually fine but my state withholding is always way off.

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JaylinCharles

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Sounds interesting but I'm a bit skeptical. Does it have access to updated 2025 tax brackets? And how accurate has it been for your actual withholding throughout the year?

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Yes, it handles state withholding too! It identified that my state was only withholding at the married rate without considering my spouse's income, which was a big part of my problem. It gave specific instructions for both federal and state forms. It definitely uses the most current tax brackets and projections. I've been using their recommendations since February, and my paystub withholding amounts have been spot on with their projections. What impressed me most was how it accounted for things like our rental income and dividends that also affect our total tax picture.

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JaylinCharles

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Just wanted to update on my experience with taxr.ai after my initial skepticism. I finally tried it last week when I realized my withholding was still way off even after adjusting my W4. The difference between what I thought I should put on my W4 vs what the tool recommended was eye-opening. It showed that between my wife's new promotion and my side business income, we were going to be almost $5,700 short on withholding by year-end despite having updated our W4s earlier this year. Instead of just checking the "spouse works" box, it calculated I needed to add $217 in extra withholding per paycheck AND have my wife adjust hers too. This was way more precise than the generic advice I'd been following. Definitely worth checking out if you're in this situation.

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If you're still having trouble getting answers from the IRS about your W4 questions (I spent THREE DAYS trying to get through), you might want to try Claimyr https://claimyr.com - I was super skeptical but they actually got me connected to an IRS agent in about 15 minutes when I couldn't get through for days. The IRS agent I spoke with explained that my situation (married with both spouses working) was actually one of the most common reasons people end up owing taxes unexpectedly. She walked me through exactly how to fill out both our W4s correctly. You can see how it works in this video: https://youtu.be/_kiP6q8DX5c - it's basically a service that navigates the IRS phone system for you and calls you back when they've got an agent on the line. Saved me hours of frustration.

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Lucas Schmidt

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How does this actually work? Sounds like magic or a scam tbh. The IRS never answers their phones.

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Freya Collins

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Yeah right. I've been trying to reach the IRS for weeks. There's no way something like this actually works. And if it does, I bet it's crazy expensive.

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It's not magic, just clever technology. They use an automated system that navigates the IRS phone tree and stays on hold for you. When they finally reach an agent, they connect you. It's basically like having someone else wait on hold instead of you. No, it's not a scam - I was super skeptical too, which is why I shared that video link so you can see exactly how it works. And regarding the IRS never answering, they actually do answer eventually - the problem is most people can't stay on hold for 2-3 hours, which is what these guys do for you.

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Freya Collins

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I need to eat my words from my previous comment. After another frustrating morning trying to call the IRS myself with no luck, I broke down and tried Claimyr. Within 45 minutes, I was actually speaking to a human at the IRS. I'm still in shock. The agent helped me understand exactly what was happening with my withholding. Turns out my employer had been using the old W4 calculations even with my updated form. The IRS agent gave me specific language to use with my payroll department to fix the issue. For anyone else struggling with W4 questions and facing the impossible task of reaching the IRS directly, this service actually delivers what it promises. Totally worth it for the hours of hold music I didn't have to endure.

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LongPeri

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Another option is to just use the "Multiple Jobs Worksheet" on the W4 form. My husband and I both work, and doing this worksheet helped us figure out the exact amount for extra withholding. We just put this amount on Line 4(c) of the W4. If you're filing jointly, you'll need to coordinate with your spouse so you don't double-count the extra withholding. We decided to put all the extra withholding on my W4 and just did the normal "Married" option on his. For state withholding, we just do Single or Married filing separately status even though we file jointly for federal. Not sure if that's technically right but it's worked for us to avoid owing.

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Oscar O'Neil

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Did you guys have to redo this calculation each year? Or once you set it up did it just work automatically for future years?

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LongPeri

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We definitely redo it each year because our incomes change. Last year I got a 5% raise and we didn't update it - ended up owing about $900 at tax time. Now we do a "withholding checkup" every January and after any job/income changes. The IRS worksheet is still kind of confusing tbh, but now that we've done it a few times it only takes about 15 minutes. Totally worth it to avoid the surprise tax bill in April!

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Quick tip - I'm an accountant (not giving professional advice tho) and I always tell friends to just put "single" on their W4s if both spouses work similar incomes. It's not technically correct, but it's the easiest way to avoid owing. If your incomes are very different (like one person makes 80% of the money), then do "married" but add extra withholding. The IRS doesn't actually check or care what you put on your W4 as long as you don't severely underwithhold. They just want their money eventually lol.

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Laura Lopez

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Thanks for this insight! This makes me feel better about maybe selecting "single." We make about the same amount (I'm at $78k and spouse is at $72k). Would selecting "single" for both of us likely cover it, or would we still need to add extra withholding?

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Noah Irving

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With those income levels ($78k and $72k), selecting "single" for both of you should definitely help! That's a pretty even split, so you're in the sweet spot where the single withholding rate usually works well for married couples. I'd start with just changing both W4s to "single" and see how your paychecks look. You can always add a small amount of extra withholding later if needed, but honestly, most couples in your situation find that "single" alone gets them pretty close to breaking even or maybe even a small refund. Just keep an eye on your paystubs for the first month or two to make sure the withholding amounts look reasonable compared to what you were seeing before.

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Jayden Hill

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Laura, you're definitely not alone in this situation! Marriage and tax withholding can be really tricky to navigate. Here's what I'd recommend based on your situation: Since you and your spouse have similar incomes ($78k vs $72k), you have a few solid options: 1. **The "technically correct" approach**: Update your W4 to "Married" and check the box that your spouse also works. This will increase your withholding to account for your combined income pushing you into higher brackets. 2. **The "practical" approach**: Many couples in your situation just select "Single" on their W4s. While not technically your filing status, it withholds at a higher rate and often prevents owing taxes. The IRS doesn't penalize this as long as you're not severely underwithheld. 3. **The "precise" approach**: Use the Multiple Jobs Worksheet on the W4 or the IRS Tax Withholding Estimator online to calculate exactly how much extra withholding you need. For state taxes, rules vary by state, but generally you should match your federal approach for consistency. Don't beat yourself up about this - the W4 changes in recent years have confused a lot of people, and owing taxes after marriage is super common. The important thing is you're addressing it now! I'd probably start with option 2 (selecting "Single") since it's simple and usually works well for couples with similar incomes like yours.

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This is really helpful advice! I'm in a similar boat - got married last year and totally messed up my withholding. The "practical approach" of just selecting "Single" sounds appealing since it's straightforward, but I'm curious about one thing: if we both select "Single" and end up having way too much withheld (like getting a huge refund), can we easily adjust mid-year? Or are we stuck with that setting until the next tax season? Also, has anyone had issues with their HR department questioning why they're selecting "Single" when they know you're married? I'm worried about having an awkward conversation with payroll.

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