Colorado

2024 Colorado State Tax Deadlines

Colorado Individual Income Tax Filing deadlines and extensions for 2024.

If you are a resident or have been involved in significant business operations within Colorado, then you might be required to file Colorado State Taxes. We look at the most important tax deadlines and tax extensions for Colorado in 2024.

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Colorado Business Tax Deadlines for 2024

C Corporation

Colorado C Corporation Tax Deadlines for 2024

You must file & pay Corporate Income Taxes in Colorado by April 15, 2025.

File Online with Colorado Department of Revenue
File by Mail must be postmarked by the due date

Form to use:

Form 112 – Colorado Corporation Income Tax Return

Extension to File Taxes in Colorado for 2024

You must send payment for taxes in Colorado for the fiscal year 2024 by April 15, 2025.

The Extension Deadline is October 15, 2025, to file your Colorado corporate income tax return.

Colorado automatically grants a 6-month extension on filing corporate income tax returns. This means you do not need to file for an extension in Colorado.

This is an extension to FILE, not an extension to PAY – payment is still due April 15, 2025.

Pass-Throughs

Colorado S Corporation & Partnership Tax Deadlines for 2024

You must file in Colorado by March 15, 2025.

File Online with Colorado Department of Revenue
File by Mail must be postmarked by the due date

Forms to use:

Form 112S – S-Corporation Income Tax Return
Form 106 – Partnership Return of Income

Extension to File S Corporation & Partnership Taxes in Colorado for 2024

You must send payment for taxes in Colorado for the fiscal year 2024 by March 15, 2025.

The Extension Deadline is September 15, 2025, to file your Colorado S Corporation or Partnership income tax return.

Colorado automatically grants a 6-month extension on filing pass-through entity tax returns. This means you do not need to file for an extension in Colorado.

This is an extension to FILE, not an extension to PAY – payment is still due March 15, 2025.

Colorado Individual Tax Deadlines for 2024

Estimated Tax Deadline for Colorado 2024

Estimated tax payments are due:

April 15, 2024
June 17, 2024
September 16, 2024
January 15, 2025

Individual Tax Deadline for Colorado 2024

You must file & pay Individual Income Taxes in Colorado by April 15, 2025.

File Online with Colorado Department of Revenue
File by Mail must be postmarked by the due date

Applicable forms:

Form 104 – Colorado Individual Income Tax Return

Extension to File Taxes in Colorado for 2024

You must send payment for taxes in Colorado for the fiscal year 2024 by April 15, 2025.

The Extension Deadline is October 15, 2025, to file your Colorado Individual Income tax return.

Colorado automatically grants a 6-month extension on filing personal income taxes. This means you do not need to file for an extension in Colorado.

This is an extension to FILE, not an extension to PAY – payment is still due April 15, 2025.

Sources

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The material discussed on this page is meant for general illustration and/or informational purposes only and is not to be construed as investment, tax, or legal advice. You must exercise your own independent professional judgment, recognizing that advice should not be based on unreasonable factual or legal assumptions or unreasonably rely upon representations of the client or others. Further, any advice you provide in connection with tax return preparation must comply in full with the requirements of IRS Circular 230.

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2023 Colorado State Tax Deadlines

2023 California State Tax Deadlines

2022 Colorado State Tax Deadlines

Tax strategies to save every dollar you deserve

Instead helps you find every eligible tax strategy, from basic credits and deductions to complex scenarios, ensuring you maximize your savings.

Start today

Sell your home

Transform your home sale into a tax-saving opportunity.

QEAP

Skill up your team, scale down your business expenses.

Work opportunity tax credit

Unlock tax savings for empowering your community through hiring.

Oil & gas deduction

Drill into tax savings. Maximize deductions for both tangible and intangible drilling costs.

Hiring kids

Reduce taxable income & self-employment tax by hiring your kids.

Home office

Deduct qualified expenses for using your home for business purposes.

Meal expenses

Business can typically deduct 50% of meals associated with doing business with some cases allowing up to 100% deduction.

Travel expenses

Businesses can deduct necessary travel expenses, like airfare and lodging, directly related to operations for tax savings.

Vehicle expenses

Vehicle tax deduction allows deduction of business vehicle expenses, using a per-mile rate or actual costs, from taxable income.

Late S election

A Late S Election lets a corporation request IRS S corp status post-deadline.

Late C election

A Late C Election is a request to the IRS for C corporation status after the deadline.

Depreciation

Business can typically deduct 50% of meals associated with doing business with some cases allowing up to 100% deduction.

R&D tax credit

Fuel your venture's growth and innovation with the R&D tax credit. Not just for tech firms or big corporations.

Clean vehicle

Businesses and Individuals can receive a tax credit for purchasing new eco-friendly vehicles. Individuals may also qualify on used eco-friendly vehicles.

Residential clean energy

Taxpayers who invest in renewable energy improvements for their home or second home may qualify for a credit to lower their income tax.

Augusta rule

The Augusta Rule lets homeowners rent their property tax-free for up to 14 days a year without reporting the income.

Roth 401k

Roth 401(k) lets employees and individuals make after-tax retirement contributions, offering tax-free growth and withdrawals.

Traditional 401k

Traditional 401(k) plans offer pre-tax retirement savings for employees, with companies reducing taxable income via contributions.