South Carolina Personal Tax Extension 2026: 2025 Tax-Year Filing Guide
Individual Income Tax · South Carolina Form SC1040
This guide explains the South Carolina personal tax extension for the 2025 tax year. Most individuals receive an automatic extension to October 15, 2026, but payment is still due by April 15, 2026. For federal filing details, see our federal tax extension resources.
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South Carolina filing extension. South Carolina automatically extended 2025 individual returns to October 15, 2026. No extension form is required. Pay at least 90% of South Carolina tax by April 15, 2026.
South Carolina Personal Tax Extension: Filing Details
South Carolina generally grants an automatic six-month extension for individual income tax returns. The extended filing deadline for a 2025 calendar-year return is October 15, 2026.
The extension applies to filing time only. Pay any balance due by April 15 to limit penalties and interest.
Quick Reference: Deadlines and Forms
Use this summary to confirm South Carolina personal filing deadlines, return forms, and payment requirements.
| Item | South Carolina personal return | Deadline or method |
|---|---|---|
| Original deadline | 2025 South Carolina return | April 15, 2026 |
| Extended deadline | Automatic extension | October 15, 2026 |
| Return forms | Form SC1040 | Use the form for your filing status |
| Payment form | Form SC1040V | Payment remains due April 15 |
Frequently Asked Questions
Answers about South Carolina personal tax extensions. Confirm current rules with the South Carolina Department of Revenue.
Visit MyDORWAY →Most individuals receive an automatic South Carolina extension and do not need to submit a separate extension form. The extension moves the filing deadline to October 15, 2026, but payment remains due April 15, 2026. For business filings, see our South Carolina business tax extension page.
Use Form SC1040 based on your filing status and residency. The South Carolina Department of Revenue instructions for each form explain who should use it.
No. South Carolina tax is due by April 15, 2026. Pay through My South Carolina Taxes or use the applicable payment method to limit penalties and interest.
For most 2025 calendar-year individual returns, the South Carolina extended filing deadline is October 15, 2026. Check the current MyDORWAY individual filing guidance if your circumstances differ.