State & Local Tax (SALT)
State Tax Deadlines
Priyanka B A
Pennsylvania uses distinct state rules that often differ from federal conventions.
Pennsylvania Tax Deadlines at a Glance (2026)
Entity Type | Return Due | Extension Deadline |
|---|---|---|
Individuals | April 15, 2026 | October 15, 2026 |
C Corporations | April 15, 2026 | October 15, 2026 |
S Corporations | March 16, 2026 | September 15, 2026 |
Partnerships | March 16, 2026 | September 15, 2026 |
Businesses
Pennsylvania taxes C corporations only at the entity level
Pass-through income taxed at owner level
Local Taxes
Local earned income taxes often require separate filings.
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