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Verified April 2026

How to Calculate Sales Tax in Naugatuck Valley, Connecticut

2026 Step-by-Step Guide for Businesses & Consumers

Current Naugatuck Valley Sales Tax Rate

Jurisdiction Rate
Connecticut State Sales Tax 6.400%
Total Combined Rate 6.400%

How to Calculate Sales Tax in Naugatuck Valley

  1. 1

    Find the combined rate

    The combined sales tax rate in Naugatuck Valley is 6.400%. This equals: Connecticut state rate of 6.400% + County 0.000%.

  2. 2

    Convert the percentage to a decimal

    6.400 ÷ 100 = 0.0640

  3. 3

    Multiply by your purchase amount

    Example: $100.00 × 0.0640 = $6.40 in sales tax

  4. 4

    Add tax to the original price

    $100.00 + $6.40 = $106.40 total cost

What's Taxable in Connecticut?

Most tangible personal property is taxable in Connecticut. Check with the Connecticut Department of Revenue for specific exemption categories.

Do You Have Nexus in Connecticut?

Economic Nexus Threshold

If your business has over $100,000 in annual Connecticut sales or 200 transactions, you are required to collect and remit Connecticut sales tax. This applies to out-of-state remote sellers too.

Expert Sales Tax Tips for Naugatuck Valley

Out-of-State Sellers

Selling into Connecticut from out of state? Register before you cross the $100,000 threshold to avoid back taxes and penalties.

Frequently Asked Questions

Sales Tax Calculator

Using 6.400% rate for Naugatuck Valley

$
Tax Amount $0.00
Total with Tax $100.00

Rate applied: 6.400% combined