Connecticut has a state-level sales tax rate of 6.35%
The total rate you that should collect depends on your exact location — counties, cities, and special districts can stack additional taxes,
pushing combined rates as high as 6.350%. See the breakdown below.
The state sales tax rate in Connecticut is 6.350%. Combined rates may vary by location depending on local jurisdiction rules.
Taxwire provides rooftop-level tax rate coverage for approximately 30 cities and localities in Connecticut. Our database is updated regularly to reflect the latest rate changes at state, county, city, and special district levels.
| City | Min combined rate |
|---|---|
| Bridgeport | 6.350% |
| Stamford | 6.350% |
| New Haven | 6.350% |
| Hartford | 6.350% |
| Waterbury | 6.350% |
| Norwalk | 6.350% |
| Danbury | 6.350% |
| New Britain | 6.350% |
| Bristol | 6.350% |
| Meriden | 6.350% |
Showing the 10 most populous cities in Connecticut.
Connecticut allows local governments to levy additional sales taxes on top of the state rate. This means the total sales tax you collect or pay depends on the specific address of the transaction — not just the city or ZIP code. Two businesses on opposite sides of the same street can have different tax obligations if they fall in different jurisdictions.
This is why accurate, address-level tax calculation matters. A single ZIP code in Connecticut can contain multiple tax rates.
Staying compliant with Connecticut sales tax can be complex — rates change, rules vary by product, and you need to track nexus across multiple jurisdictions. Taxwire automates sales tax calculation, filing, and remittance so you never miss a deadline.