Sales Tax in Williston, South Carolina in 2025

We'll walk you through how the sales tax rate is determined for Williston and address some common questions you may have. We'll also cover how to collect, audit, and remit sales tax in Williston.

Plus, we’ll share the best solution that will ensure you are always compliant across the entire sales tax lifecycle.

Disclaimer: Our sales tax data is updated on a quarterly basis. 

Williston Sales Tax Rate 2025

Williston is located in Barnwell County in South Carolina, United States, and has a sales tax rate of 8.000%. This is the combination of local and state sales tax rates.

Here is the breakdown of the Williston's sales tax:

Tax Jurisdiction	Sales Tax Rate
South Carolina State Tax	6.000%
Local Tax	2.000%
Combined Rate	8.000%

This rate applies to the following zip codes in Williston:

29853

How Does the Williston Sales Tax Compare to the Rest of South Carolina?

Williston’s 8.000% sales tax rate is 1.000% lower than the highest sales tax rate in South Carolina, which stands at 9.000% in cities like Charleston.

It is 2.000% higher than the lowest sales tax rate in South Carolina, which stands at 6.000% in cities like Simpsonville.

To give you a better idea, here’s a comparison of Williston sales tax rates with a few other cities in South Carolina:

City	Sales Tax Rates
Simpsonville	6.000%
Greer	7.000%
York	7.000%
Williston	8.000%
Williston	8.000%
Charleston	9.000%

You can also compare the sales tax rate of Williston against the South Carolina cities closest in population size:

• Bamberg's sales tax rate is 8.000%
• Bishopville's sales tax rate is 8.000%

What Creates Sales Tax Nexus in Williston?

Williston shares the same sales tax nexus rules as South Carolina. 

Read More: Check out this detailed guide on Sales Tax in South Carolina.

You have sales tax nexus in Williston if you fulfill any of the these conditions:

• Physical nexus: Businesses with offices, distribution houses, sale houses, warehouses, or other places of business. 
• Employees: Businesses with any agent operating within South Carolina under the retailer’s or subsidiary’s authority.
• Economic nexus: Businesses whose gross revenue exceeds $100,000 in the previous or current calendar year.

Learn more about sales tax nexus and when you’re required to collect sales tax.

What Products Are Exempt from Williston Sales Tax?

Williston doesn't have any special exemptions and follows the same sales tax rules as South Carolina.

The following items are exempt from sales tax in Williston:

• Medicine and prosthetic devices sold by prescription.
• Insecticides, chemicals, fertilizers, soil conditioners, seeds, seedlings, and nursery stock used for farming and agricultural production. 
• Water supplied by public utilities and designated non-profit corporations.

Who Needs a Sales Permit in Williston?

Any retailer selling, leasing, or renting tangible personal property in Williston should collect sales tax. 

How to Collect Sales Tax in Williston

South Carolina follows destination-based sales tax sourcing for both in-state and out-of-state businesses, which also applies for Williston. This means that if you sell to a South Carolina resident, you must apply the sales tax rate based on the buyer’s shipping address.

Learn more about origin-based and destination-based sales tax sourcing here.

How to File and Pay Sales Tax in Williston

You can file Williston sales tax returns using the following methods:

• Automated: Let Zamp handle your South Carolina sales tax filing and remittance so you won’t ever have to deal with a sales tax return.
• Online: Taxpayers with a tax liability of $15,000 or more per filing period should file and pay electronically via the MyDORWAY website.
• Offline: Taxpayers whose tax liability is less than $15,000 should file Form ST-389 with your State Sales & Us​e Tax Return (ST-3).