Sales tax in Western Connecticut Planning Region, Connecticut
The sales tax rate in Western Connecticut Planning Region, Connecticut is 6.35%. That is a 6.35% state rate, with no county rate on top: Western Connecticut Planning Region levies none, and it is the same at every address in the county. That rate was read from Connecticut's own published schedule and checked on August 30, 2026.
What is the sales tax rate in Western Connecticut Planning Region?
| Connecticut state rate | 6.35% |
|---|---|
| Combined rate | 6.35% |
How much sales tax is that on a purchase in Western Connecticut Planning Region?
At 6.35%, a $100 purchase carries $6.35 in sales tax and a $1,000 purchase $63.50. That is general merchandise; Connecticut taxes some categories, often groceries, differently, as the note below explains.
Every county in Connecticut has the same 6.35% floor. See every Connecticut county.
Sales tax in counties next to Western Connecticut Planning Region
Western Connecticut Planning Region borders 8 counties, 5 of them in another state.
| County | Combined sales tax |
|---|---|
| Suffolk County, NY | 8.75% |
| Nassau County, NY | 8.625% |
| Putnam County, NY | 8.375% |
| Westchester County, NY | 8.375% to 8.875% |
| Dutchess County, NY | 8.125% |
| Greater Bridgeport Planning Region, CT | 6.35% |
| Naugatuck Valley Planning Region, CT | 6.35% |
| Northwest Hills Planning Region, CT | 6.35% |
| Western Connecticut Planning Region, CT (this county) | 6.35% |
Why the rate here is not the whole story
Flat statewide rate with no local add-on anywhere in the state; certain luxury items (e.g., vehicles over $50,000, jewelry over $5,000) are taxed at a higher 7.75% rate.
How do I find the exact rate for an address in Western Connecticut Planning Region?
Use Connecticut's own address lookup.
Who has to collect sales tax in Western Connecticut Planning Region?
Any seller with a physical presence in Connecticut collects at the rate for the address of the sale; a remote seller does once it passes Connecticut's economic nexus threshold. Connecticut sales tax covers the statewide rules and what is exempt.
Work out your own numbers
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Sales tax calculator
Tax on a specific purchase at this county's rate, and the total you will actually pay.
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Do you have to collect?
Whether your sales into Connecticut cross its economic nexus threshold. A different question from the rate.
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Property tax in Western Connecticut Planning Region
The other local tax: effective rate and median bill for this county.
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Sales tax by county
Every US county, and how Connecticut compares with the rest of the country.
Sources
- Western Connecticut Planning Region rates: Connecticut Department of Revenue Services / Tax Foundation, State and Local Sales Tax Rates (Jan. 2026)
- Collected and verified August 30, 2026. Confidence: S on the rate components (P read on a primary agency page, S strong but indirect, U unverified).