Calendar
Tax deadlines for Philadelphia, counted down.
Federal, Pennsylvania and city dates from now through June 2027, with the days left until each one.
Next up
What is due next?
The card and the table update on their own. They read today's date in Philadelphia and move to the next deadline once one has passed.
| Date | What is due | Who collects it | Time left |
|---|---|---|---|
| Oct 15, 2026 | Extended 2025 individual returns: Form 1040 and PA-40, for anyone who filed an extension in April | Federal Pennsylvania | Upcoming |
| Nov 2, 2026 | Third quarter payroll return, Form 941. October 31 falls on a Saturday, so it moves to Monday | Federal | Upcoming |
| Jan 15, 2027 | Fourth quarter 2026 estimated tax payments, federal and Pennsylvania | Federal Pennsylvania | Upcoming |
| Feb 1, 2027 | W-2 and 1099-NEC forms to recipients and filed, fourth quarter Form 941, and the Philadelphia Wage Tax fourth quarter return | Federal Philadelphia | Upcoming |
| Mar 15, 2027 | 2026 S corporation and partnership returns: Forms 1120-S and 1065, with K-1s to owners | Federal | Upcoming |
| Apr 15, 2027 | 2026 individual returns, Form 1040 and PA-40, and first quarter 2027 estimated payments | Federal Pennsylvania | Upcoming |
| Apr 15, 2027 | 2026 Philadelphia BIRT, Net Profits Tax and School Income Tax returns, with BIRT and Net Profits estimated payments | Philadelphia | Upcoming |
| Jun 15, 2027 | Second quarter 2027 estimated payments, federal and Pennsylvania, and the second Net Profits Tax installment | Federal Pennsylvania Philadelphia | Upcoming |
Dates that fall on a weekend are shown moved to the next business day. The highlighted row is the next deadline, counted in Philadelphia time.
By type of filer
Which dates matter to me?
Four common situations and the dates each one should circle.
| If you are | Circle these dates | For |
|---|---|---|
| An employee | April 15 | Form 1040, PA-40 and, for residents with investment income, the School Income Tax return |
| Self-employed | January 15, April 15, June 15, September 15 | Quarterly estimates, plus BIRT and Net Profits Tax returns on April 15 |
| An employer | The end of the month after each quarter, and February 1 | Form 941 and city Wage Tax returns each quarter, W-2s and 1099s in winter |
| An S corporation or partnership | March 15 | Form 1120-S or Form 1065, with K-1s to the owners |
If you are behind
Missed one? Here is what to do, in order.
Most first time penalties can be reduced when you act quickly.
File first
A late return with no payment costs less than no return at all.
Pay what you can
Interest stops on every dollar you send.
Ask for relief
A first missed deadline often qualifies for a penalty waiver.
Set up reminders
We put your dates on a calendar and text you two weeks ahead.
Questions people ask
Deadlines, answered.
Extensions, weekends and what happens when a date is missed.
What happens if a deadline falls on a weekend?
It moves to the next business day. That is why the third quarter payroll return for 2026, normally due October 31, is due Monday, November 2.
Does an extension give me more time to pay?
No. An extension gives you until October 15 to file. The tax itself is still due April 15, and interest runs on anything paid late.
When are estimated tax payments due?
For most people, four times a year: April 15, June 15, September 15 and January 15. Pennsylvania uses the same dates. Philadelphia's Net Profits Tax estimates are due April 15 and June 15.
Are Philadelphia business returns due the same day as my personal return?
Yes. BIRT, Net Profits Tax and School Income Tax returns are all due April 15, the same day as Form 1040 and the PA-40.
What if I miss a deadline?
File as soon as you can. Penalties for filing late are larger than penalties for paying late, so a return filed without full payment still saves money. Then call us, because a first missed deadline often qualifies for penalty relief.
Start here
Tell us what you need.
A few details and a real accountant calls you back within one business day. The first call is free and takes about twenty minutes.
(215) 555-0137Old City, Philadelphia. Monday to Friday, 9 AM to 5:30 PM. Saturday mornings from February through April 15.