Tax deadlines 2027
Tax Day 2027: individual returns are due April 15, 2027
Your 2026 Form 1040, and the Schedule C that carries a sole proprietorship's or single-member LLC's profit, is due in April. The same day brings the first estimated payment for 2027.
Gold tier in Intuit's ProAdvisor program. See my Intuit listing
The dates
Thursday, April 15, 2027 is the date the IRS calendar lists for Form 1040 for 2026. It is also the date of the first estimated tax installment for 2027.
Friday, October 15, 2027 is the extended date. Filing Form 4868 by the April date gives an automatic six-month extension to file. It is not an extension to pay: tax owed is still due in April, and interest and late-payment penalties run on anything unpaid after that.
Dates checked October 26, 2026 against IRS Publication 509 (2027), early release draft. IRS early release draft of Publication 509 (2027). The final version can change a date. Confirm every date with the IRS and, for New Jersey, the NJ Division of Taxation before you rely on it. New Jersey's income tax return has its own rules and dates; check the NJ Division of Taxation.
Who this date covers
Individuals, including sole proprietors and owners of a single-member LLC that hasn't elected to be taxed as a corporation, who report business profit on Schedule C. Partners and S corporation shareholders file here too, using the Schedule K-1 their business sends by its own March date.
What to have ready if you run a business
- A reconciled profit and loss for 2026. Every bank, card and payment-processor account matched to statements through December 31.
- Forms 1099 you received. 1099-NEC, 1099-K and 1099-MISC, matched to the income in your books so nothing is counted twice or missed.
- Mileage and home office records, if you claim them, kept as you went.
- Estimated payments you made for 2026, with dates and amounts.
- Equipment and vehicle purchases, with dates and costs, for depreciation.
The free self-employed tax calculator estimates what to set aside, the 2027 tax brackets page shows next year's figures, and the year-end cleanup checklist gets the books ready.
Questions
Does an extension give me more time to pay?
No. Form 4868 extends the time to file, not the time to pay. Tax owed is due by the April date; ask your CPA or tax preparer how much to pay with the extension.
My single-member LLC: April or March?
April, by default. A single-member LLC is generally reported on the owner's Form 1040 unless it elected to be taxed as a corporation. Ask your CPA which applies to you.
Is the first estimated payment really the same day?
Yes. The IRS calendar lists the first 2027 estimated tax installment on the same date as the 2026 return.
Can you prepare my return?
MCC Solutions is not a CPA firm. Tax returns, elections and legal questions stay with your CPA, enrolled agent or attorney. Our part is getting the books accurate and organized so they can do that work faster.
MCC Solutions is not a CPA firm. Tax returns, elections and legal questions stay with your CPA, enrolled agent or attorney. Our part is getting the books accurate and organized so they can do that work faster.
Kestrel Tax
Doing your own Form 1040?
Kestrel Tax is a guided Form 1040 that runs on your own computer, for tax years 2025 and 2026, $39 one time. It lists the situations it does not handle and marks the return not complete instead of guessing. It does not e-file. The software is not a tax preparer, and this is not tax advice.
See Kestrel Tax Compare the three apps