When are business taxes due in Colorado?
Navigating Colorado's business tax landscape can be overwhelming, with different due dates and regulations depending on your business organization and type of tax. This FAQ figures out significant deadlines and filing information for C corporations, S corporations, partnerships, sales tax, and unemployment taxes for 2025. From small business to running a larger operation, use this guide to keep your tax filings on track.
1. C corporation income tax returns and payments (Form DR 0112)
- Due Date:
- May 15, 2025, for businesses on a calendar year.
- 15th day of the fifth month after your fiscal year ends for non-calendar-year filers.
- Filing Extension: Businesses can extend the filing deadline (not payment) by six months, moving it to November 15, 2025, for calendar-year filers.
2. C corporations must make quarterly estimated tax payments
- Requirement: Applies if your tax liability is over $5,000.
- 2025 Due Dates:
- April 15
- June 15
- September 15
- December 15
3. S corporation and partnership tax returns and payments (Form DR 0106)
- Due Date:
- April 15, 2025, for calendar-year filers.
- 15th day of the fourth month after your fiscal year ends for non-calendar-year filers.
- Filing Extension: Businesses can extend the filing deadline (not payment) by six months, moving it to October 15, 2025, for calendar-year filers.
4. S corporations and partnerships are required to make quarterly estimated tax payments
- Requirement: Applies if your tax liability exceeds $5,000.
- 2025 Due Dates:
- April 15
- June 15
- September 15
- December 15
5. Sales tax filing frequency and deadlines depend on your monthly collections
- Filing Frequency: Based on your monthly sales tax collections:
- Monthly Filers (over $600/month): Due by the 20th of the next month (e.g., January 2025 collections due February 20, 2025).
- Quarterly Filers (less than $600/month): Due on:
- January 20, 2025
- April 20, 2025
- July 20, 2025
- October 20, 2025
- Yearly Filers (less than $15/month): Due by January 20, 2026.
6. Unemployment taxes are due on a quarterly schedule
- Frequency: Quarterly.
- Due Dates:
- April 30, 2025
- July 31, 2025
- October 31, 2025
- January 31, 2026
7. Filing extensions are available for business taxes
- Availability: A six-month filing extension (not for payments) is available:
- C corporations: Extends to November 15, 2025 (calendar-year filers).
- S corporations/partnerships: Extends to October 15, 2025 (calendar-year filers).
Conclusion
Compliance with Colorado business tax due dates is crucial for business success and compliance. One IBC USA> provides tailored services to help companies achieve these deadlines, making the compliance process seamless in Colorado's compliance framework.
