Do I Have Sales Tax Nexus in Connecticut? Compliance Checker | EcomNexusHub
Whether you trigger sales tax nexus in Connecticut depends on your sales activity, inventory placement, or remote employees. Under Connecticut law, crossing $100,000 in sales creates economic nexus even without physical office space.
Connecticut Rule Snapshot
Interactive Connecticut Nexus Threshold Estimator
Enter your estimated 12-month sales into Connecticut to calculate compliance status.
You have reached or exceeded the $100,000 threshold in Connecticut. Registration with Connecticut Department of Revenue Services is recommended immediately.
2026 Statutory Rules for Connecticut
Detailed breakdown of economic thresholds, physical presence triggers, and platform settings for remote sellers shipping into Connecticut.
Economic Nexus Standard
Connecticut mandates remote sellers register once trailing gross sales cross $100,000 during the current or preceding calendar year. Alternatively, conducting 200 or more separate orders triggers tax obligations.
Physical & 3PL Presence
Physical nexus is established in Connecticut if your business maintains a physical office, retail storefront, inventory stored in 3PL fulfillment centers (e.g., Amazon FBA in Connecticut), remote employees, or sales representatives.
Marketplace Pre-Collection
Connecticut 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: Connecticut Sales Tax
Common questions answered for e-commerce store owners shipping into Connecticut.
Explore Other Connecticut Tax Topic Guides
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