SCorpDesk / 2026 S-Corp & QBI Guides / Connecticut (CT) 2026 S-Corp Tax Calculator, PTET Election & Franchise Tax Guide

Connecticut (CT) 2026 S-Corp Tax Calculator, PTET Election & Franchise Tax Guide

What are the 2026 S-Corp tax and PTET rules in Connecticut?

In Connecticut (CT), the 2026 S-Corporation election rule is: Recognizes Federal Form 2553. For the Pass-Through Entity Tax (PTET) deduction: 6.99% Mandatory/Elective CT Pass-Through Entity Tax. Entity-level franchise/minimum tax: No Separate S-Corp Franchise Tax.

In Connecticut (CT), the 2026 S-Corporation election rule is: Recognizes Federal Form 2553. For the Pass-Through Entity Tax (PTET) deduction: 6.99% Mandatory/Elective CT Pass-Through Entity Tax. Entity-level franchise/minimum tax: No Separate S-Corp Franchise Tax.

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2026 Connecticut (CT) S-Corporation Statutory Tax Matrix

Connecticut S-Corp Compliance Area2026 Statutory Rule
State S-Corp Election RecognitionRecognizes Federal Form 2553
Pass-Through Entity Tax (PTET) Election6.99% Mandatory/Elective CT Pass-Through Entity Tax
Annual Minimum / Franchise TaxNo Separate S-Corp Franchise Tax
Federal Section 199A QBI DeductionUp to 23% of qualified K-1 income under Public Law 119-21
Home Office & Mileage Deduction MethodMust use an IRC Section 62(c) Corporate Accountable Plan

Frequently Asked Questions

Does Connecticut require a separate state S-Corp election in 2026?

For Connecticut (CT): Recognizes Federal Form 2553.

What is the Connecticut S-Corp franchise or minimum tax for 2026?

In Connecticut: No Separate S-Corp Franchise Tax.

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