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 2025 Tax Deadlines & Dates

Partnership, LLC, & S-Corp Tax Returns due March 17

Personal Tax Returns due April 15

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For individuals, the due date for filing your tax return is typically April 15. The last day to file your 2024 taxes without an extension is April 15, 2025.

 

For businesses, the due date for filing your tax return is typically March 15 if you are a calendar year filer. Businesses using fiscal years have 2 moths and 15 days after their fiscal year to file their return or extension.

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The last day to do taxes isn’t the only important tax deadline to know, however. There are several important 2025 tax deadlines you should know.

 

Here are the important dates at a glance.

Brainard Lakes

01

January

  • January 15 - 4th Quarter 2024 estimated tax payment due.

  • January 31 - Due date for employers to send W-2 forms. Generally, this means W-2s get sent by January 31, but you won’t necessarily receive your form by this date. You can most likely access an electronic version of your W2 sooner.

  • January 31 - Certain 1099 forms are sent. including forms 1099-NEC,1099-MISC, and 1099-K.

02

February

  • February 15 - Reclaim your exemption from withholding. If you chose to claim an exemption from your employer withholding taxes from your paycheck last year by filing a Form W-4, you’ll need to re-file the form by this date. You would file this exemption request if you anticipate having no tax liability this year and had none in the previous year.

Horsetooth Reservoir
Long Lake, CO

03

March

  • March 17 - Taxes due for Partnerships, LLCs, and S-Corporations with calendar year-end

04

April

  • April 1 - Required minimum distribution due if you turned 73 in 2024.

  • April 15, 2025 - Tax Day

  • April 15 - Deadline to File Form 4868 and request an extension. Payment is still due.

  • April 15 - Deadline to make IRA and HSA contributions for 2024 tax year.

  • April 15 - First quarter 2025 estimated tax payment due.

Rocky Mountain National Park

06

June

  • June 15 - Second quarter 2023 estimated tax payment due.

Great Sand Dunes National Park
Georgetown Loop Rail

09

September

  • September 15 - Third quarter 2023 estimated tax payment due.

  • September 15 - Deadline for extended partnership, LLC, and S-Corporation tax returns

10

October

  • October 15 - Deadline to file your extended 2024 tax return.

Mount Meeker and Chapel on the Rock
Colorado stream

12

December

  • December 1 - verify your address and employee information with your employer for proper W2 filing in 2026.

  • December 31 - Required minimum distributions must be taken for individuals age 73 or older by the end of 2025.

01

January 2026

  • January 15 - Fourth quarter 2024 estimated tax payment due.

Butler Gulch
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