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Connect with a TaxPro →North Carolina LLCs and partnerships with North Carolina source income file Form D-403 (Partnership Income Tax Return) with the North Carolina Department of Revenue. The return is due March 16, 2026, and a six-month extension to September 15, 2026 is available. North Carolina accepts the federal Form 7004 extension and does not require a separate state extension form–provided the full amount of North Carolina tax owed is paid by the original due date. A late payment will trigger the 10% failure-to-pay penalty even if the extension is valid.
File IRS Form 7004 before March 16, 2026 to activate the federal extension. North Carolina automatically follows the federal extension and grants additional time to September 15, 2026 to file Form D-403. Pay all North Carolina income tax owed by March 16, 2026 through the North Carolina Department of Revenue online payment portal or by mailing a check with Form D-410P to: NC Department of Revenue, P.O. Box 25000, Raleigh, NC 27640-0640. North Carolina LLCs with nonresident members should also confirm whether nonresident composite payment (Form NC-NPA) obligations apply.
LLC / Partnership returns carry unique complexities – a licensed CPA or Enrolled Agent can navigate the details and ensure your North Carolina return is filed accurately and on time.
North Carolina requires online payment for tax amounts of $750 or more. Submit electronically via the North Carolina Online Tax Extension Payment portal. For amounts under $750, complete NC CD-419 / D-410P | North Carolina Extension Payment and mail with your payment.
Submit electronically through the North Carolina Online Tax Extension Payment system. Required for all payments $750 and above.
Download NC CD-419 / D-410P | North Carolina Extension Payment and mail with your check or money order. Include your EIN and tax year on the check.
| Penalty Type | Amount |
|---|---|
| Failure to File | 5% of unpaid tax per month, up to 25%. |
| Failure to Pay | 10% of tax not paid by the original due date. |
| State Abbreviation | NC |
| Entity Type | LLC / Partnership |
| Extension Status | Automatic with approved IRS Form 7004 |
| Original Filing Deadline | March 16, 2026 |
| Extended Filing Deadline | September 15, 2026 |
| Payment Due | March 16, 2026 (100% of tax owed) |
| Payment Form | NC CD-419 / D-410P | North Carolina Extension Payment |
| Online Payment | North Carolina Online Tax Extension Payment |
| State Agency | North Carolina Department of Revenue |
| Failure to File Penalty | 5% of unpaid tax per month, up to 25%. |
| Failure to Pay Penalty | 10% of tax not paid by the original due date. |
North Carolina S corporations file Form CD-401S (S Corporation Tax Return) with the North Carolina Department of Revenue. The CD-401S is due March 16, 2026, and a six-month extension to September 15, 2026 is available. North Carolina accepts the federal Form 7004 extension for S corporation returns–no separate state extension form is required–but the full amount of North Carolina S corporation income tax must be paid by March 16, 2026 to avoid the 10% failure-to-pay penalty. North Carolina S corporations are subject to a 2.5% income tax on income allocable to the state.
File IRS Form 7004 before March 16, 2026 to extend the North Carolina CD-401S return to September 15, 2026. Pay all North Carolina S corporation income tax owed by March 16, 2026 through the North Carolina Department of Revenue online portal or by mailing a payment with Form CD-419 to: NC Department of Revenue, P.O. Box 25000, Raleigh, NC 27640-0640. North Carolina S corporations that have North Carolina shareholders should also confirm whether those shareholders need to address the North Carolina PTE estimated payment obligations separately.
S Corporation returns carry unique complexities – a licensed CPA or Enrolled Agent can navigate the details and ensure your North Carolina return is filed accurately and on time.
North Carolina requires online payment for tax amounts of $750 or more. Submit electronically via the North Carolina Online Tax Extension Payment portal. For amounts under $750, complete NC CD-419 / D-410P | North Carolina Extension Payment and mail with your payment.
Submit electronically through the North Carolina Online Tax Extension Payment system. Required for all payments $750 and above.
Download NC CD-419 / D-410P | North Carolina Extension Payment and mail with your check or money order. Include your EIN and tax year on the check.
| Penalty Type | Amount |
|---|---|
| Failure to File | 5% of unpaid tax per month, up to 25%. |
| Failure to Pay | 10% of tax not paid by the original due date. |
| State Abbreviation | NC |
| Entity Type | S Corporation |
| Extension Status | Automatic with approved IRS Form 7004 |
| Original Filing Deadline | March 16, 2026 |
| Extended Filing Deadline | September 15, 2026 |
| Payment Due | March 16, 2026 (100% of tax owed) |
| Payment Form | NC CD-419 / D-410P | North Carolina Extension Payment |
| Online Payment | North Carolina Online Tax Extension Payment |
| State Agency | North Carolina Department of Revenue |
| Failure to File Penalty | 5% of unpaid tax per month, up to 25%. |
| Failure to Pay Penalty | 10% of tax not paid by the original due date. |
North Carolina C corporations file Form CD-405 (C Corporation Tax Return) with the North Carolina Department of Revenue. The CD-405 is due April 15, 2026, and a six-month extension to October 15, 2026 is available. North Carolina accepts the federal Form 7004 extension for C corporation returns without requiring a separate state extension form. North Carolina's corporate income tax rate is 2.5%–currently the lowest flat corporate rate among states with a corporate income tax–with a scheduled phase-down to 0% by 2030. All North Carolina corporate tax must be paid in full by April 15, 2026 to avoid the 10% failure-to-pay penalty.
File IRS Form 7004 before April 15, 2026. North Carolina automatically extends the CD-405 filing deadline to October 15, 2026. Pay all North Carolina corporate income tax owed by April 15, 2026 through the North Carolina Department of Revenue online portal or by mailing a payment with Form CD-419 to: NC Department of Revenue, P.O. Box 25000, Raleigh, NC 27640-0640. C corporations apportioning income among multiple states should complete the North Carolina apportionment schedule before the payment deadline to accurately estimate the extension payment.
C Corporation returns carry unique complexities – a licensed CPA or Enrolled Agent can navigate the details and ensure your North Carolina return is filed accurately and on time.
North Carolina requires online payment for tax amounts of $750 or more. Submit electronically via the North Carolina Online Tax Extension Payment portal. For amounts under $750, complete NC CD-419 / D-410P | North Carolina Extension Payment and mail with your payment.
Submit electronically through the North Carolina Online Tax Extension Payment system. Required for all payments $750 and above.
Download NC CD-419 / D-410P | North Carolina Extension Payment and mail with your check or money order. Include your EIN and tax year on the check.
| Penalty Type | Amount |
|---|---|
| Failure to File | 5% of unpaid tax per month, up to 25%. |
| Failure to Pay | 10% of tax not paid by the original due date. |
| State Abbreviation | NC |
| Entity Type | C Corporation |
| Extension Status | Automatic with approved IRS Form 7004 |
| Original Filing Deadline | April 15, 2026 |
| Extended Filing Deadline | October 15, 2026 |
| Payment Due | April 15, 2026 (100% of tax owed) |
| Payment Form | NC CD-419 / D-410P | North Carolina Extension Payment |
| Online Payment | North Carolina Online Tax Extension Payment |
| State Agency | North Carolina Department of Revenue |
| Failure to File Penalty | 5% of unpaid tax per month, up to 25%. |
| Failure to Pay Penalty | 10% of tax not paid by the original due date. |
North Carolina trusts and estates with North Carolina source income file Form D-407 (Estates and Trusts Income Tax Return) with the North Carolina Department of Revenue. The D-407 is due April 15, 2026, and a six-month extension to October 15, 2026 is available. North Carolina accepts the federal Form 7004 extension for fiduciary returns–no separate state extension form is needed–provided all North Carolina fiduciary income tax owed is paid by April 15, 2026. North Carolina fiduciary income tax rates follow the individual income tax rate schedule.
File IRS Form 7004 before April 15, 2026. North Carolina automatically extends Form D-407 to October 15, 2026 based on the federal extension. Pay all North Carolina fiduciary income tax by April 15, 2026 through the North Carolina Department of Revenue online portal or by mailing a check with Form D-410P to: NC Department of Revenue, P.O. Box 25000, Raleigh, NC 27640-0640. North Carolina resident trusts are taxed on all income regardless of source, while nonresident trusts are taxed only on North Carolina-source income–confirm the trust's residency classification before computing the extension payment.
Fiduciary returns carry unique complexities – a licensed CPA or Enrolled Agent can navigate the details and ensure your North Carolina return is filed accurately and on time.
North Carolina requires online payment for tax amounts of $750 or more. Submit electronically via the North Carolina Online Tax Extension Payment portal. For amounts under $750, complete NC CD-419 / D-410P | North Carolina Extension Payment and mail with your payment.
Submit electronically through the North Carolina Online Tax Extension Payment system. Required for all payments $750 and above.
Download NC CD-419 / D-410P | North Carolina Extension Payment and mail with your check or money order. Include your EIN and tax year on the check.
| Penalty Type | Amount |
|---|---|
| Failure to File | 5% of unpaid tax per month, up to 25%. |
| Failure to Pay | 10% of tax not paid by the original due date. |
| State Abbreviation | NC |
| Entity Type | Fiduciary |
| Extension Status | Automatic with approved IRS Form 7004 |
| Original Filing Deadline | April 15, 2026 |
| Extended Filing Deadline | October 15, 2026 |
| Payment Due | April 15, 2026 (100% of tax owed) |
| Payment Form | NC CD-419 / D-410P | North Carolina Extension Payment |
| Online Payment | North Carolina Online Tax Extension Payment |
| State Agency | North Carolina Department of Revenue |
| Failure to File Penalty | 5% of unpaid tax per month, up to 25%. |
| Failure to Pay Penalty | 10% of tax not paid by the original due date. |
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