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South Carolina Individual Income Tax Filing deadlines and extensions for 2024.
If you are a resident or have been involved in significant business operations within South Carolina, then you might be required to file South Carolina State Taxes. We look at the most important tax deadlines and tax extensions for South Carolina in 2024.
South Carolina Individual Income Tax Filing deadlines and extensions for 2024.
If you are a resident or have been involved in significant business operations within South Carolina then you might be required to file South Carolina State Taxes. We look at the most important tax deadlines and tax extensions for South Carolina in 2024.
You must file & pay Corporate Income Taxes in South Carolina by April 15, 2025.
File Online with the South Carolina Department of Revenue's online services. File by Mail must be postmarked by the due date.
Form SC1120 – South Carolina C Corporation Income Tax Return.
You must send payment for taxes in South Carolina for the fiscal year 2024 by April 15, 2025.
The Extension Deadline is October 15, 2025 to file your South Carolina corporate income tax return.
South Carolina automatically grants 6 months extensions on filing corporate income tax returns if a federal extension is filed. This means you do not need to file for an extension in South Carolina. If there is an amount due, request a state extension and submit payment at dor.sc.gov/pay.
This is an extension to FILE, not an extension to PAY – payment is still due April 15, 2025.
You must file in South Carolina by March 15, 2025.
File Online with the South Carolina Department of Revenue's online services. File by Mail must be postmarked by the due date.
Form SC1120S – S-Corporation Income Tax Return Form SC1065 – Partnership Income Tax Return
You must send a payment for taxes in South Carolina for the fiscal year 2024 by March 15, 2025.
The Extension Deadline is September 15, 2025, to file your South Carolina S Corporation or Partnership income tax return.
South Carolina automatically grants six months extensions on filing pass-through entity tax returns if a federal extension is filed. This means you do not need to file for an extension in South Carolina. If there is an amount due, request a state extension and submit payment at dor.sc.gov/pay.
This is an extension to FILE, not an extension to PAY – payment is still due March 15, 2025.
Estimated tax payments should be made:
See SC1041ES for the amount to pay with each voucher.
You must file & pay Individual Income Taxes in South Carolina by April 15, 2025.
File Online with the South Carolina Department of Revenue's online services. File by Mail must be postmarked by the due date.
Applicable form:
SC1040 – South Carolina Individual Income Tax Return
You must send payment for taxes in South Carolina for the fiscal year 2024 by April 15, 2025.
The Extension Deadline is October 15, 2025 to file your South Carolina Individual Income tax return.
South Carolina will automatically grant a six months extension on filing personal income taxes if a federal extension is filed and there is no tax due. This means you do not need to file for an extension in South Carolina if you file a federal extension, attach the federal extension to the state return and have no tax due in South Carolina. If you do NOT file a federal extension or have tax due, file Form SC4868.
This is an extension to FILE, not an extension to PAY – payment is still due April 15, 2025.
South Carolina does not have an Estate Tax.
If at least 2/3 of your gross income for the taxable year is derived from farming, you may pay the estimated tax at any time on or before January 15, 2025. If you wait until January 15, 2025, you must pay the entire balance of the estimated tax. However, if farmers file their tax return on or before March 1, 2025, and pay the total tax at that time, they need not file estimated tax.
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The material discussed on this page is meant for general illustration and/or informational purposes only and is not to be construed as investment, tax, or legal advice. You must exercise your own independent professional judgment, recognizing that advice should not be based on unreasonable factual or legal assumptions or unreasonably rely upon representations of the client or others. Further, any advice you provide in connection with tax return preparation must comply in full with the requirements of IRS Circular 230.
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