SCorpDesk / 2026 S-Corp & QBI Guides / Iowa (IA) 2026 S-Corp Tax Calculator, PTET Election & Franchise Tax Guide
Iowa (IA) 2026 S-Corp Tax Calculator, PTET Election & Franchise Tax Guide
What are the 2026 S-Corp tax and PTET rules in Iowa?
In Iowa (IA), the 2026 S-Corporation election rule is: Recognizes Federal Form 2553 (Form IA 1120S). For the Pass-Through Entity Tax (PTET) deduction: 3.80% Flat Iowa PTET Election. Entity-level franchise/minimum tax: Biennial Report Only.
In Iowa (IA), the 2026 S-Corporation election rule is: Recognizes Federal Form 2553 (Form IA 1120S). For the Pass-Through Entity Tax (PTET) deduction: 3.80% Flat Iowa PTET Election. Entity-level franchise/minimum tax: Biennial Report Only.
Open Iowa 2026 S-Corp & 20% Permanent QBI Calculator
2026 Iowa (IA) S-Corporation Statutory Tax Matrix
| Iowa S-Corp Compliance Area | 2026 Statutory Rule |
|---|---|
| State S-Corp Election Recognition | Recognizes Federal Form 2553 (Form IA 1120S) |
| Pass-Through Entity Tax (PTET) Election | 3.80% Flat Iowa PTET Election |
| Annual Minimum / Franchise Tax | Biennial Report Only |
| Federal Section 199A QBI Deduction | Up to 23% of qualified K-1 income under Public Law 119-21 |
| Home Office & Mileage Deduction Method | Must use an IRC Section 62(c) Corporate Accountable Plan |
Frequently Asked Questions
Does Iowa require a separate state S-Corp election in 2026?
For Iowa (IA): Recognizes Federal Form 2553 (Form IA 1120S).
What is the Iowa S-Corp franchise or minimum tax for 2026?
In Iowa: Biennial Report Only.