SCorpDesk / 2026 S-Corp & QBI Guides / Washington (WA) 2026 S-Corp Tax Calculator, PTET Election & Franchise Tax Guide
Washington (WA) 2026 S-Corp Tax Calculator, PTET Election & Franchise Tax Guide
What are the 2026 S-Corp tax and PTET rules in Washington?
In Washington (WA), the 2026 S-Corporation election rule is: Recognizes Federal S-Corp (0% Wage/K-1 Income Tax). For the Pass-Through Entity Tax (PTET) deduction: No Personal Income Tax (B&O Gross Receipts Tax Applies). Entity-level franchise/minimum tax: $70 Annual Report + B&O Tax.
In Washington (WA), the 2026 S-Corporation election rule is: Recognizes Federal S-Corp (0% Wage/K-1 Income Tax). For the Pass-Through Entity Tax (PTET) deduction: No Personal Income Tax (B&O Gross Receipts Tax Applies). Entity-level franchise/minimum tax: $70 Annual Report + B&O Tax.
Open Washington 2026 S-Corp & 20% Permanent QBI Calculator
2026 Washington (WA) S-Corporation Statutory Tax Matrix
| Washington S-Corp Compliance Area | 2026 Statutory Rule |
|---|---|
| State S-Corp Election Recognition | Recognizes Federal S-Corp (0% Wage/K-1 Income Tax) |
| Pass-Through Entity Tax (PTET) Election | No Personal Income Tax (B&O Gross Receipts Tax Applies) |
| Annual Minimum / Franchise Tax | $70 Annual Report + B&O Tax |
| 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 Washington require a separate state S-Corp election in 2026?
For Washington (WA): Recognizes Federal S-Corp (0% Wage/K-1 Income Tax).
What is the Washington S-Corp franchise or minimum tax for 2026?
In Washington: $70 Annual Report + B&O Tax.