Unsure where you owe sales or use tax
Run Your Nexus Risk CheckBUse this calculator to estimate sales tax for transactions delivered to Connecticut. Sales tax in Connecticut includes a statewide tax rate plus possible local taxes depending on the destination city or county. Current statewide sales tax rate in Connecticut is 6.35%. Businesses selling across state lines should determine whether they have triggered sales tax nexus.
Economic Nexus by StateIf your business sells into multiple states, you may need to collect sales tax once economic nexus thresholds are exceeded. You can evaluate your exposure using the Check Nexus Exposure tool.
The statewide base sales tax rate in Connecticut is 6.35%.
Depending on where a transaction is delivered, additional local taxes may apply.
These may include:
Many states require businesses to collect sales tax once economic nexus thresholds are exceeded.
Typical thresholds include:
Businesses should review nexus thresholds before calculating tax. Economic Nexus by State