2026
DATES TO KNOW
Q1
JANUARY
15 | 2025 Q4 estimated taxes due
FEBRUARY
02 | Deadline for employers to send 1099s and W-2s
MARCH
16 | Taxes due for Partnerships and S-corps
Q2
APRIL
01 | RMDs due (if you turned 73 in 2025)
15 | Taxes due for Individuals and C-corps
15 | Deadline to request an extension for Individuals and C-corps
15 | Deadline to make 2025 IRA and HSA contributions
15 | 2026 Q1 estimated taxes due
JUNE
15 | 2026 Q2 estimated taxes due
Q3
SEPTEMBER
15 | Final deadline for Individuals and C-corps
15 | 2026 Q3 estimated taxes due
Q4
OCTOBER
15 | Final deadline for extended Partnership and S-corps
DECEMBER
31 | RMDs have to be taken (for individuals age 73 or older)