Free tax help in Colorado

How to file your Colorado and federal returns for free if you qualify, the Colorado deadline, and where to find free volunteer help.

Check if you qualify (5 questions)
State income taxYes
Tax year 2025 due dateApril 15, 2026. Usually April 15 (same as federal).
ExtensionAutomatic six-month extension to October 15 with no form; at least 90% of the tax must be paid by April 15 to avoid penalties.
State tax agencyColorado Department of Revenue, Taxation Division

Free Colorado state filing

Revenue Online

Free state e-filing directly with the Colorado Department of Revenue; no login is needed to file.

Go to Revenue Online

Free if you qualify. Rules are for tax year 2025 (filed in 2026) unless noted; Colorado may update them in January.

Free federal filing for Colorado residents

Common questions

Can I file my Colorado state return for free?

Often, yes, if you qualify. Colorado options include Revenue Online. VITA and TCE volunteers usually prepare the state return too, and MyFreeTaxes covers state returns for income under $89,000.

When is the Colorado tax deadline?

For tax year 2025, the Colorado return was due April 15, 2026. Usually April 15 (same as federal). Automatic six-month extension to October 15 with no form; at least 90% of the tax must be paid by April 15 to avoid penalties.

Where can I get free tax help in person in Colorado?

Use the IRS VITA/TCE locator or the AARP Tax-Aide locator and search your ZIP code. Sites are mostly open from late January to mid-April.

Need paid help in Colorado?

If you don't qualify for free help, have past-due returns, or got a notice from the IRS or Colorado Department of Revenue, Taxation Division, our partner Pack Tax works with Colorado residents by phone and video.

This is paid help, not a free program. You can ask questions before you agree to anything.

Ask Pack Tax for help

Pack Tax is our paid partner; we may receive a fee for referrals. How this works

Sources

Colorado facts checked on October 8, 2026. Rules and dates change every year; confirm with Colorado Department of Revenue, Taxation Division before you file.