What is the sales tax rate in Irmo, South Carolina?

The combined sales tax rate in Irmo, South Carolina is 8.000% as of 2026. This includes the South Carolina state rate of 6.000% plus local jurisdiction taxes.

How is the Irmo sales tax calculated?

Multiply your purchase amount by 8.000% (or 0.00800) to get the tax owed. For example, a $100 purchase incurs $8.00 in sales tax.

What is the South Carolina state sales tax rate?

The base South Carolina state sales tax rate is 6.000%. Local jurisdictions may add additional taxes on top of this rate.

Does Irmo have a county sales tax?

Irmo imposes an additional county-level sales tax of 1.000% on top of the state rate.

When was the Irmo sales tax rate last updated?

The Irmo sales tax rate was last verified on March 27, 2026. We cross-reference all rates against the official State Department of Revenue data.

Live Data: April 2026

Irmo, SC Sales Tax Rate 2026

The combined sales tax rate in Irmo, South Carolina is 8.000%.

Combined Rate 8.000%

State6.000% County1.000%

Irmo Sales Tax Breakdown

Jurisdiction	Rate
South Carolina State Sales Tax	6.000%
County Sales Tax	1.000%
Special District Tax	1.000%
Total Combined Rate	8.000%

Which County Is Irmo In?

Irmo falls within Richland, South Carolina. Richland imposes a 1.000% county-level sales tax in addition to the South Carolina state base rate.

Irmo ZIP Codes

The following ZIP codes are mapped to Irmo for sales tax purposes. All listed codes apply the 8.000% combined rate.

29063

Nearby Tax Rates

Business Nexus in South Carolina

Economic Nexus Threshold

Selling into South Carolina from out of state? Once you exceed $100,000 in annual sales or 200 transactions, you must register and collect South Carolina sales tax.

FAQ: Irmo Sales Tax

The combined sales tax rate in Irmo, South Carolina is 8.000% as of 2026.

Multiply your purchase price by 8.000% to find the tax owed. A $500 purchase would include $40.00 in sales tax.

Groceries are generally taxable in South Carolina. Check the official Department of Revenue for specific exemptions.

Vehicle purchases in Irmo are subject to the 8.000% combined rate, though some states apply different rules for vehicle sales. Verify with the South Carolina Department of Revenue or DMV.

Register for a sales tax permit through the official South Carolina Department of Revenue website. Registration is typically free and required before collecting any sales tax.

Sales Tax Calculator

Using 8.000% rate for Irmo, SC

Purchase Amount ($)

Tax Amount $0.00

Total with Tax $100.00

Rate applied: 8.000% combined

Official Tax Authority

South Carolina Department of Revenue

Filing Deadline: Monthly returns due the 20th of the following month. File via MyDORWAY.

Visit Official Portal (844) 898-8542