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Last reviewed: October 13, 2026
North Carolina estimated tax payments for 2026 are due April 15, June 15, September 15, 2026, and January 15, 2027, made with Form NC-40 or through NCDOR eServices, and they are required when your North Carolina tax after withholding and credits will be $1,000 or more. Only the January 15, 2027 installment is still ahead. The amount that keeps underpayment interest off your return is the smaller of 90% of your 2026 tax or 100% of your 2025 tax, with no 110% tier for high earners, and North Carolina charges interest at 7% instead of a penalty. The 2026 rate is a flat 3.99%, down from 4.25%, which makes the 90% current-year option the cheaper target for anyone whose income held steady.
Key takeaways:
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North Carolina collects individual estimated tax on the federal calendar, per the Form NC-40 instructions and G.S. 105-163.15(c):
| Installment | Due date | If you first owe estimates |
|---|---|---|
| 1 | April 15, 2026 (passed) | By April 1: four equal payments |
| 2 | June 15, 2026 (passed) | After April 1 and before June 1: half the year's balance now, a quarter in September, a quarter in January |
| 3 | September 15, 2026 (passed) | After June 1 and before September 1: three quarters now, the last quarter in January |
| 4 | January 15, 2027 (a Friday) | September 1 or later: the full amount |
A due date that falls on a Saturday, Sunday, or holiday moves to the next business day. The dates match federal Form 1040-ES, so one reminder covers both governments, and the estimated tax due-dates tool puts the two calendars side by side.
The right-hand column comes from the NC-40 and tells a late starter how to catch up. It does not change the interest math. Form D-422 still measures each quarter against 25% of the year's required payment, so a freelancer who first crossed the line in May shows an April shortfall unless the annualized income method on Form D-422A proves the income really arrived later.
You must pay North Carolina estimated income tax if the tax shown on your return, reduced by North Carolina withholding and allowable credits, will be $1,000 or more, "regardless of the amount of income you have that is not subject to withholding," per the NCDOR estimated income tax page. Typical sources are Schedule C profit, partnership and S corporation income, rental income, interest, dividends, capital gains, and retirement distributions with nothing withheld. The test runs on the tax computed on your D-400, so a nonresident who owns a rental in Asheville applies it to the North Carolina share figured on Schedule PN.
Withholding counts in your favor twice. It lowers the balance measured against the $1,000 line, and G.S. 105-163.15(g) treats the year's withholding as paid in equal parts on each due date unless you show the actual dates. The NC-40 instructions suggest exactly this route: raise withholding on a W-2 job (yours or a spouse's) and you may not need vouchers at all.
Farmers and commercial fishermen, including oyster farmers, who get at least two-thirds of gross income from that work make a single payment by January 15, 2027, or skip estimates entirely by filing the 2026 D-400 and paying in full by March 1, 2027.
North Carolina charges no underpayment interest when each installment is paid on time and equals 25% of the smaller of two amounts, per G.S. 105-163.15(d) and the 2025 Form D-422:
| Option | Required total | Catch |
|---|---|---|
| Current year | 90% of your 2026 NC tax after credits | Measured against the actual tax on your 2026 D-400, not your estimate |
| Prior year | 100% of your 2025 NC tax after credits | The 2025 return must cover 12 months and must have been filed |
| Annualized income | 90% of tax on annualized income: 22.5%, 45%, 67.5%, and 90% for the four periods | Form D-422A; annualize one period and you annualize them all |
North Carolina never raises the prior-year anchor to 110%. The IRS does, under IRC §6654(d), once prior-year AGI tops $150,000, and so does South Carolina, which also starts at a $100 trigger instead of $1,000; the South Carolina estimated tax guide has the details for anyone who lives on one side of the Charlotte metro and works on the other.
Wren, a freelance software developer in Durham, expects $3,990 of 2026 North Carolina tax (the worksheet math is two sections down). Her 2025 NC tax was $3,995: $94,000 of taxable income at 4.25%. Her safe harbor is the lesser of 90% × $3,990 = $3,591 or 100% × $3,995 = $3,995, so $3,591, or $897.75 per installment, which the NC-40 tells her to round to $898. She settles the remaining $399 with her 2026 D-400 in the spring.
Wren's taxable income grew 6.4%, yet her 2026 tax is $5 lower than her 2025 tax, because the rate fell from 4.25% to 3.99%. At flat income the gap is wider: 100% of 2025 tax equals 106.5% of the full 2026 tax. For 2026, the 90% option is the smaller payment for most people whose income held steady, as long as the estimate is right.
The prior-year anchor keeps one advantage: it is a number you already know. If Wren's biggest client renews in November and her 2026 tax lands at $4,600, the 90% target becomes $4,140, or $1,035 per quarter, and each of her $897.75 installments ends up $137.25 short. Paying $998.75 per installment against her 2025 tax would have been safe at any 2026 income.
Interactive
What should each NC-40 payment be?
Enter your expected 2026 North Carolina income before the standard deduction (federal AGI plus NC additions, minus NC deductions), your filing status, NC withholding, and your 2025 NC tax.
NC-40 worksheet: line 3 minus line 4.
From a W-2 or 1099-R, if any.
2025 D-400 line 15 minus line 16. Enter 0 if none.
Each of your four installments
$898
Based on 90% of your 2026 estimate, the current-year option. It holds only if the estimate holds.
Form NC-40 (2026 worksheet) and 2025 Form D-422. Tax = (income - N.C. standard deduction) x 3.99%. Safe harbor: the lesser of 90% of 2026 tax or 100% of 2025 tax; North Carolina has no 110% tier. Withholding counts as paid in equal parts on each due date. No estimates are required when tax after withholding and credits is under $1,000. Underpayment costs interest at 7% a year (no separate penalty); the rate for days after December 31, 2026 is not yet set.
Add federal and self-employment taxNorth Carolina's estimate starts from federal adjusted gross income and ends with one multiplication. The worksheet on page 2 of the 2026 NC-40:
| Worksheet line | What goes there |
|---|---|
| 1 | Estimated 2026 federal adjusted gross income |
| 2 | Additions to federal AGI, such as 85% of bonus depreciation |
| 3 | Line 1 plus line 2 |
| 4 | Deductions from federal AGI, such as the taxable part of Social Security benefits |
| 5 | Child deduction ($3,000 down to $0 per qualifying child, phasing out with federal AGI) |
| 6 | N.C. standard deduction or N.C. itemized deductions |
| 7 | North Carolina taxable income: line 3 minus lines 4, 5, and 6 |
| 8 | Tax: line 7 × 3.99% |
| 9–10 | Expected NC withholding, tax credits, and other payments |
| 11 | Estimated tax: line 8 minus line 10. $1,000 or more means NC-40 payments |
| 12 | One-fourth of line 11, rounded to the nearest dollar |
The N.C. standard deduction for 2026 is $12,750 for single filers and married filing separately, $19,125 for head of household, and $25,500 for married filing jointly or a surviving spouse. These are North Carolina's own amounts under G.S. 105-153.5, well below the federal $16,100 and $32,200.
Two 2026 laws changed the inputs. Session Law 2026-31 moved North Carolina's Internal Revenue Code reference date to July 5, 2025, so federal AGI now carries the One Big Beautiful Bill Act changes that affect AGI. The new federal deductions for tips, overtime, car loan interest, and seniors are taken after AGI, though, and NCDOR's September 11, 2026 FAQ answers "No" to claiming them on a North Carolina return, and neither 2026 law raised the state standard deduction. Session Law 2026-41, signed in July 2026, rewrote the rate schedule in G.S. 105-153.7: 3.99% for 2026, then 3.49% for 2027 through 2029, 3.24% for 2030 through 2032, and 2.99% after that.
Business owners hit one more North Carolina line. The state never adopted federal bonus depreciation, and the 2025 D-401 instructions require adding back 85% of the bonus depreciation on your federal return, then deducting 20% of that add-back in each of the next five years. Section 179 expensing follows North Carolina's own limits of $25,000 and $200,000, with 85% of any excess added back. NCDOR's FAQ (question 44) confirms the 2026 legislation left the bonus depreciation rule unchanged.
Worked example. Wren (single, no children, no NC withholding) bought $10,000 of equipment in 2026 and took 100% bonus depreciation on her federal return.
| Step | Amount |
|---|---|
| Schedule C profit after $10,000 of bonus depreciation | $112,175 |
| Deductible half of self-employment tax | −$7,925 |
| Line 1: federal AGI | $104,250 |
| Line 2: bonus depreciation add-back, 85% × $10,000 | +$8,500 |
| Line 3 | $112,750 |
| Line 6: N.C. standard deduction, single | −$12,750 |
| Line 7: North Carolina taxable income | $100,000 |
| Line 8: 2026 NC tax at 3.99% | $3,990 |
Without the add-back her NC tax would be $3,650.85, so the adjustment costs $339.15 now. It comes back as a $1,700 deduction in each of 2027 through 2031, but at the lower rates S.L. 2026-41 set for those years it is worth $288.15 in total, about $51 less than it costs today. Had she expensed the equipment under section 179 instead, there would be nothing to add back, because $10,000 sits under North Carolina's $25,000 limit; that is a choice to settle with your preparer before the return is filed. Her federal vouchers run separately on income tax plus 15.3% self-employment tax.
NCDOR's File & Pay page for individuals links to the "Pay Estimated Individual Income Tax" application, where you file the NC-40 and pay in one step. Bank draft carries no NCDOR fee; Visa and MasterCard cost a convenience fee of $2 for every $100 of tax, per the NCDOR payment FAQ. The application lets you schedule payments up to 365 days ahead, so the January 15, 2027 installment can be set today. NCDOR treats a bank draft submitted on the due date as timely even when the draft date shows the next banking day.
A bank draft that bounces costs more than the installment's interest: NCDOR charges a penalty of 10% of the payment, at least $1 and at most $1,000, for a returned electronic payment.
To pay by mail, fill in the NC-40 voucher (both spouses' names and Social Security numbers if you will file jointly) and send it with a check or money order payable to the N.C. Department of Revenue to P.O. Box 25000, Raleigh, NC 27640-0630. Write the last four digits of your SSN, the tax year, and "NC-40" on the memo line, and do not tape or staple the check to the form. Mail the original printed form; NCDOR does not accept photocopies.
North Carolina charges interest on underpaid estimates and no penalty. G.S. 105-163.15(a) applies the rate the Secretary of Revenue sets every June 1 and December 1 under G.S. 105-241.21, and the NCDOR interest rate page shows 7% for January 1, 2025 through December 31, 2026. Interest runs from each installment's due date until you pay it or April 15, 2027, whichever comes first, and every payment fills the oldest shortfall first. The rate for January through June 2027 is set by December 1, 2026 and had not been published as of October 6, 2026.
Suppose Wren skips the $897.75 September 15 installment and catches up later:
| Catch-up date | Days late | Interest at 7% |
|---|---|---|
| December 15, 2026 | 91 | $15.67 |
| December 31, 2026 | 107 | $18.42 |
| April 15, 2027, with the return | 212 | about $36.50, if the 2027 rate stays at 7% |
That is the federal model described in our estimated tax penalty guide, with a rate that changes twice a year instead of quarterly. Michigan, by contrast, adds a flat 10% or 25% penalty on top of interest, so a quick catch-up saves far less there. At Anna Money, which served 60,000+ small businesses, we often saw one missed quarter turn into a skipped year. In North Carolina, paying September in October cuts the cost to a few dollars.
You figure the interest on Form D-422 (Part II short method or Part III regular method) and enter it on the D-400; on the 2025 return that was line 26e. Do not attach D-422 or D-422A to the return. A separate charge applies to the final balance: tax still unpaid after April 15, 2027 draws a 5% failure-to-pay penalty, and an extension protects you from it only if you paid at least 90% of the tax by the original due date.
G.S. 105-163.15(h) waives interest on the fourth installment if you file your 2026 D-400 and pay the full balance by January 31, 2027. January 31, 2027 is a Sunday, and NCDOR says the 2026 return forms will be published in January 2027, so the window is short; aim for Friday, January 29. The rule never reaches the first three installments, and it requires every 1099 and K-1 in hand by late January.
The second exception is wider. North Carolina charges no underpayment interest at all if you had no North Carolina income tax liability for the preceding year (G.S. 105-163.15(f); D-422 exceptions). Leland moved his wedding photography business from Jacksonville, Florida, to Wilmington in March 2026. Florida has no income tax and he had no North Carolina income in 2025, so he had no 2025 NC liability. Even if he skips every NC-40, Form D-422 charges him no interest for 2026. He still owes the full 2026 tax with his part-year resident D-400 (Schedule PN) by April 15, 2027, and the 5% failure-to-pay penalty applies to anything unpaid after that date.
North Carolina lets an S corporation or partnership elect to pay income tax at the entity level as a "Taxed PTE", at the individual rate, so 3.99% for 2026. Per NCDOR's pass-through entity tax notice, a Taxed PTE that expects at least $500 of liability makes its own estimated payments in the same manner as a C corporation, on Form CD-429 PTE (S corporations) or Form NC-40 PTE (partnerships). The owner then deducts their share of the income that was taxed at the entity level, which removes it from the personal NC-40 worksheet.
North Carolina estimated payments are deductible as state income taxes on federal Schedule A in the year you pay them, per Treasury Regulation §1.164-1, so Wren's January 15, 2027 installment is a 2027 federal deduction. Itemizers with room under the SALT cap in IRC §164 can pay it in December to pull the deduction into 2026; an early payment still counts for the January installment.
The NC-40 rate for 2026 is 3.99%. A worksheet still set to 4.25% overstates the tax by 6.5%, and one set to the 2024 rate of 4.5% overstates it by almost 13%.
North Carolina's prior-year anchor is 100% at every income level. A high earner who mirrors the federal 110% rule on the NC-40 prepays an extra 10% of last year's tax for no added protection.
Federal AGI already reflects the bonus deduction, so a business owner who starts the NC-40 at line 1 and skips line 2 understates North Carolina income by 85% of that deduction. On Wren's $10,000 of equipment that is $339.15 of tax missing from the estimate.
Those deductions come after federal AGI and North Carolina does not allow them. A restaurant manager whose federal tax fell in 2026 should not lower the NC-40 for the same reason.
North Carolina's flat 3.99% is simple; knowing your 2026 profit before January 15 is the hard part, especially with equipment purchases that change the add-back on line 2. Jupid connects to your bank accounts and sorts every transaction with 95.9% categorization accuracy, so equipment, client income, and personal spending stay apart all year. Ask the AI accountant in WhatsApp or iMessage how much your business has netted in 2026, and the figure for the NC-40 worksheet arrives in the same chat, ready for the January voucher. Try Jupid.
This guide is for general educational purposes and does not constitute tax, legal, or accounting advice. It reflects the 2026 Form NC-40, the 2025 Form D-422 and D-401 instructions, G.S. 105-163.15, Session Laws 2026-31 and 2026-41, and NCDOR guidance as reviewed on October 6, 2026; North Carolina resets its interest rate every January 1 and July 1, and the 2026 D-400 forms will not be published until January 2027. For advice specific to your situation, consult a qualified tax professional or the North Carolina Department of Revenue at ncdor.gov.
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Fintech CEO with 10+ years building accounting and financial technology products. Previously co-founded and scaled an AI-powered accounting platform to $30M revenue and 100K+ business users, achieving 30,000 customers per accountant through automation — recognized by CNBC as a top fintech company. Holds a Master's in Management Information Systems. At Jupid, he leads the development of AI-native bookkeeping, tax, and compliance tools designed for freelancers and small business owners.
Missouri estimated tax payments 2026: MO-1040ES due dates, the $100 trigger, a 90%/100% safe harbor with no 110% tier, 4.7% top rate, capital gains subtraction.
Massachusetts estimated taxes 2026: Form 1-ES due dates, the $400 trigger, the 80%/100% safe harbor with no 110% tier, 5% and 8.5% rates, the $1,107,750 surtax.
Michigan estimated tax payments 2026: MI-1040ES due dates, the $500 trigger, the 90%/100%/110% safe harbor, the 4.25% rate, and the flat 10% or 25% penalty.
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