You're viewing United States Tax & Accounting Β· Tax Year 2026

Switch to Nepal Tax
US Tax Β· Tax Year 2026

United States tax calendar

Every federal filing and payment date for individuals and businesses, adjusted for weekends and holidays.

Filing
Payment
Information

September 2026

  • Sep15

    Q3 2026 estimated tax payment

    payment
    Tomorrow

    Third quarterly estimated payment for individuals and corporations (Form 1040-ES / 1120-W).

  • Sep15

    Extended S-corp & partnership returns

    filing
    Tomorrow

    Final deadline for 2025 Forms 1120-S and 1065 on extension.

October 2026

  • Oct15

    Extended individual & C-corp returns

    filing
    In 31 days

    Final deadline for 2025 Form 1040 and Form 1120 on extension. FBAR automatic extension also ends.

January 2027

  • Jan15

    Q4 2026 estimated tax payment

    payment
    In 123 days

    Final quarterly estimate for tax year 2026.

February 2027

  • Feb1

    W-2 and 1099-NEC due

    filing
    In 140 days

    Employers furnish W-2s to employees and file with SSA; 1099-NEC to contractors and IRS. (Jan 31 falls on a Sunday.)

March 2027

  • Mar15

    S-corp & partnership returns

    filing
    In 182 days

    2026 Forms 1120-S and 1065 due, or file Form 7004 for a six-month extension. Also the deadline to elect S-corp status for 2027.

April 2027

  • Apr15

    Individual returns, C-corp returns, Q1 estimate & FBAR

    filing
    In 213 days

    2026 Form 1040 and Form 1120 due (extension via Form 4868 / 7004). First 2027 estimated payment. FBAR due (auto-extended to Oct 15).

June 2027

  • Jun15

    Q2 2027 estimated tax payment

    payment
    In 274 days

    Second quarterly estimate. Also the filing deadline for US citizens living abroad (automatic 2-month extension).

September 2027

  • Sep15

    Q3 2027 estimate & extended pass-through returns

    payment
    In 366 days

    Third quarterly estimate; extended 1120-S and 1065 returns due.

October 2027

  • Oct15

    Extended 1040 & 1120 returns

    filing
    In 396 days

    Final deadline for extended individual and C-corp returns.