Connecticut Sales Tax Rate 2026: State and Local Guide
Review Connecticut state and local sales tax rates, county pages, permit steps, filing links, tax holidays, forms, and official department resources.
Combined Rate
6.400%
Current combined sales tax rate shown for this page.
State Portion
6.400%
Base state sales tax component in the rate breakdown.
Local Portion
0.000%
County, city, and special district tax combined.
Focus
Rate, filing, nexus, and official links
Connecticut department of revenue resources and lookup references.
State Rate
6.400%
Base state sales tax rate.
Average Combined
0.00%
Average combined state and local rate.
Maximum Local
0.00%
Highest combined local rate shown in current guidance.
County Pages
9
County-level sales tax pages in the current location index.
Official Links
6
Forms, filing tools, lookup pages, and research links.
State Rate Breakdown
Connecticut state and local sales tax benchmark
Rate Components
State, county, city, and special district sales tax breakdown
| Component | Rate |
|---|---|
| Connecticut State Sales Tax | 6.400% |
| Combined Sales Tax Rate | 6.400% |
Average Local Rate
0.00%
Average localHighest Local Rate
0.00%
Highest localNexus Threshold
$100,000
Registration triggerCounty Directory
Browse Connecticut sales tax rates by county
Select a county to open a detailed page with combined tax rates, ZIP code samples, nearby local comparisons, permit steps, exemptions, offices, and official state resources.
Highest rate counties
Lowest rate counties
Capitol
6.400%State 6.400% plus local add-ons.
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Greater Bridgeport
6.400%State 6.400% plus local add-ons.
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Lower Connecticut River Valley
6.400%State 6.400% plus local add-ons.
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Naugatuck Valley
6.400%State 6.400% plus local add-ons.
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Northeastern Connecticut
6.400%State 6.400% plus local add-ons.
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Northwest Hills
6.400%State 6.400% plus local add-ons.
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South Central Connecticut
6.400%State 6.400% plus local add-ons.
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Southeastern Connecticut
6.400%State 6.400% plus local add-ons.
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Western Connecticut
6.400%State 6.400% plus local add-ons.
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Official State Resources
Connecticut sales tax forms, e-file, lookup, and agency links
Forms
Electronic filing
Sales Tax Holidays
Connecticut tax holiday calendar and eligible items
FAQ
Connecticut sales tax questions
What is the Connecticut state sales tax rate?
The current state-level rate shown in our tax rate table is 6.400%. Local county, city, and special district taxes can push the combined rate higher.
How many official sales tax resources are available for Connecticut?
We currently surface 6 imported official resource links for Connecticut, including forms, agency research links, e-file portals, registration links, and lookup tools.
Does Connecticut have economic nexus rules?
Yes. The current state guideline shows a sales threshold of $100,000 and 200 transactions before many remote sellers need to register and collect tax.
Where can I find holidays, forms, and taxability updates for Connecticut?
This page includes imported sales tax holidays, official state forms, e-file links, research links, and recent taxability matrix updates when those rows exist in the database.