South Carolina Sales Tax Economic Nexus Threshold for Online Sellers | EcomNexusHub
In 2026, the South Carolina sales tax economic nexus threshold is set at $100,000 in annual gross sales with no transaction count trigger within the current or preceding calendar year. If your store surpasses this benchmark, you must register for a tax permit and collect tax.
South Carolina Rule Snapshot
Interactive South Carolina Nexus Threshold Estimator
Enter your estimated 12-month sales into South Carolina to calculate compliance status.
You have reached or exceeded the $100,000 threshold in South Carolina. Registration with South Carolina Department of Revenue is recommended immediately.
2026 Statutory Rules for South Carolina
Detailed breakdown of economic thresholds, physical presence triggers, and platform settings for remote sellers shipping into South Carolina.
Economic Nexus Standard
South Carolina mandates remote sellers register once trailing gross sales cross $100,000 during the current or preceding calendar year.
Physical & 3PL Presence
Physical nexus is established in South Carolina if your business maintains a physical office, retail storefront, inventory stored in 3PL fulfillment centers (e.g., Amazon FBA in South Carolina), remote employees, or sales representatives.
Marketplace Pre-Collection
South Carolina active marketplace facilitator laws require platforms (Amazon, Walmart, Etsy) to collect and remit tax directly. However, those sales still count toward your total threshold calculation!
2026 Compliance Checklist for Online Sellers
Frequently Asked Questions: South Carolina Sales Tax
Common questions answered for e-commerce store owners shipping into South Carolina.
Explore Other South Carolina Tax Topic Guides
Uncover Your Sales Tax Risk in All 50 States
Upload your CSV sales export or connect Shopify to immediately audit threshold proximity across South Carolina and all 49 other US jurisdictions in under 30 seconds.
No credit card required • Local browser processing