2023 South Carolina State Tax Deadlines

South Carolina Individual Income Tax Filing deadlines and extensions for 2023.

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 2023.

C Corporation

South Carolina C Corporation Tax Deadlines for 2023

You must file & pay Corporate Income Taxes in South Carolina by April 16, 2024.

Applicable form:
Form SC 1120 - C Corporation Income Tax Return

Extension to File Taxes in South Carolina for 2023

You must send payment for taxes in South Carolina for the fiscal year 2023 by April 16, 2024.

The Extension Deadline is October 15, 2024 to file your South Carolina income tax return.

South Carolina automatically grants 6 months extensions on filing corporation  income taxes, 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 16, 2024.

Pass-Throughs

South Carolina S Corporation & Partnership Tax Deadlines for 2023

You must file in South Carolina by March 15, 2024.

Applicable forms: 

Form SC 1120 - S Corporation Income Tax Return

Form SC 1065 - Partnership Return

Extension to File S Corporation & Partnership Taxes in South Carolina for 2023

You must send payment for taxes in South Carolina for the fiscal year 2022 by March 15, 2024.

The Extension Deadline is September 16, 2024 to file your South Carolina income tax return.

South Carolina automatically grants 6 months extensions on filing pass-through entity income tax return, 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, 2024.

South Carolina Individual Tax Deadlines for 2023

Estimated Tax Deadline for South Carolina 2023

Estimated tax payments should be made:  

  • April 18, 2023
  • June 15, 2023
  • November 15, 2023
  • January 15, 2024

See SC1041ES for the amount to pay with each voucher.

Individual Tax Deadline for South Carolina 2023

You must file & pay Individual Income Taxes in South Carolina by April 15, 2024.

Applicable forms:
SC1040- Full Time Residents, Part-Year Residents and Non-Residents

Extension to File Taxes in South Carolina for 2023

You must send payment for taxes in South Carolina for the fiscal year 2023 by April 15, 2024.

The Extension Deadline is October 15, 2024 to file your South Carolina Individual Income tax return.

South Carolina will automatically grant a 6 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, 2024.

Estates Tax Deadline for South Carolina 2023

South Carolina does not have an Estate Tax.

Farmer and Fisherman Taxes for South Carolina 2023

If at least 2/3 of your gross income for the taxable year is derived from farming, you may pay estimated tax at any time on or before January 15, 2024. If you wait until January 15, 2024, you must pay the entire balance of the estimated tax. However, if farmers file their tax return on or before March 1, 2024, and pay the total tax at that time, they need not file estimated tax.

Sources

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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