Williamsburg County, SC sales tax rate increases to 8%
A new 1% Capital Projects Tax takes effect in Williamsburg County, South Carolina on May 1, 2026, raising the county’s combined sales tax rate from 7% to 8%. If you sell or deliver taxable goods to Williamsburg County customers, you’ll need to be collecting the new rate from day one.
Written by Alex Lamachenka
Head of DemandGen
Published
Key takeaways
- Williamsburg County’s sales tax rate increases from 7% to 8% on May 1, 2026, due to a new 1% Capital Projects Tax
- The accommodations tax rate also increases, from 8% to 9%
- Unprepared foods are exempt from the new tax; the first return reflecting the new rate is due June 20, 2026
What changed
- Previous rate: 7% combined sales tax in Williamsburg County
- New rate: 8% combined sales tax in Williamsburg County
- What changed: A new 1% Capital Projects Tax has been imposed by the county
- Accommodations tax: Increases from 8% to 9%
- First return due: June 20, 2026, covering the May 2026 reporting period
Note: Williamsburg County previously had a Capital Projects Tax that expired on April 30, 2025, temporarily returning the rate to 7%. This is a newly imposed tax, not a renewal of the previous one.
Who this affects
- Retailers making sales and deliveries into Williamsburg County. You’re required to collect the new 8% rate on all taxable sales sourced to Williamsburg County starting May 1, 2026.
- Remote sellers with Williamsburg County customers. If you sell taxable goods delivered to buyers in Williamsburg County, the new rate applies to those transactions.
- Accommodation providers. The accommodations tax rate increases to 9%; update your billing accordingly.
- Ecommerce sellers using platform integrations. Confirm your sales tax engine is applying the correct county-level rate for Williamsburg County transactions from May 1 onward.
Note: Unprepared foods are exempt from the Capital Projects Tax and are not subject to the rate increase.
Next steps for sellers
- Verify that your sales tax calculations for Williamsburg County reflect the 8% rate starting May 1, 2026
- File your May 2026 return using the new rate — it is due June 20, 2026
- If you provide accommodations in Williamsburg County, update your billing to reflect the 9% accommodations tax rate
If you use TaxCloud
TaxCloud’s sales tax engine automatically updates county-level rates across all U.S. jurisdictions — including Williamsburg County — so your calculations will reflect the new 8% rate on May 1, 2026 without any manual changes on your end.
Official sources:
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1.
South Carolina Department Of Revenue Source link
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Disclaimer
TaxCloud provides sales tax compliance solutions. We do not provide legal or tax advice. For questions about your specific tax situation or filing requirements, we recommend consulting a qualified sales tax accountant.
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