Quarterly installments are due by the 15th day of the 4th, 6th, 9th, and 12th months of the tax year. Use the SC1120-CDP to file and pay your quarterly Estimated Tax payments. Pay online using our free online tax portal, MyDORWAY, at dor.sc.gov/pay.
Sales Tax Information
Sales tax rate in South Carolina is six percent. Some services are subject to sales tax, while prescription medicines, groceries, and gasoline are exempt. Create an account with the Department of Revenue to pay state taxes online. Sales tax must be filed and remitted monthly, quarterly, or annually.
Payroll Taxes and Estimated Payments
Employers in South Carolina must submit and pay taxes withheld from employee earnings quarterly. Residents earning wages in a state without income tax should withhold for South Carolina. Pay estimated taxes online using MyDORWAY or by mail with Form SC1065ES.
Send estimated tax payments for partnerships with Form SC1065ES to the following address:
South Carolina Department of Revenue
Partnership Income Tax Payment
PO Box 125
Columbia, SC 29214-0036.
Report and pay 5% state income tax by filing the ST-8 Form with the Department of Revenue. Calculate taxes owed by multiplying taxable income by the 15.3% rate.
Use Form SC1040ES for estimated payments following IRS standards. Quarterly installments for estimated payments are due by the 15th day of the 4th, 6th, 9th, and 12th months. Pay online using MyDORWAY at dor.sc.gov/pay.
SCDOR urges customers to pay bills through MyDORWAY to avoid fees and ensure timely payments. Customers are responsible for late payments from third-party payment sites.