1st Degree Assault in Colorado: Overview and Defenses

February 26, 2026

Getting charged with a violent felony feels like the ground just disappeared beneath you.

One moment, you’re living your everyday life. Next, you’re standing in court facing accusations that carry decades in prison.

You may feel terrified about what could happen, angry about how events unfolded, or frustrated that no one seems to be on your side. Friends pull away. Sleep becomes harder. Every conversation feels loaded with consequences. 

At Merson Law Office, LLC, our Colorado assault defense lawyers understand your fear and uncertainty. We step in immediately, take control of the legal battlefield, and build a defense strategy designed to protect what matters most to you.

Please call (970) 219-2923 or reach out to us online today for a free consultation.

What Does 1st Degree Assault in Colorado Mean?

Under Colorado law, CRS § 18-3-202, 1st degree assault refers to causing serious bodily injury to another person under specific aggravated circumstances, including:

• Intentionally causing serious bodily injury with a deadly weapon. Deadly weapons include firearms, knives, or any object capable of causing death or serious injury.
• Acting with extreme indifference to human life. Conduct that creates a grave risk of death and results in serious injury can qualify.
• Using force to cause permanent disfigurement or disability. Injuries that permanently change someone’s appearance or bodily function can elevate the charge.

Serious bodily injury generally means injuries that create a substantial risk of death, cause permanent disfigurement, or result in long-term impairment.

What Happens After 1st Degree Assault Charges?

Since you are facing a felony, the court will formally advise you of the charges. 

Early stages of a felony case often include:

• Bond and release conditions. The court may impose no-contact orders, firearm restrictions, or supervised release.
• Discovery and evidence review. The prosecution must provide police reports, medical records, witness statements, and forensic evidence to your attorney.
• Pretrial motions. Your attorney may file motions to suppress statements, challenge identification procedures, or exclude unlawfully obtained evidence.

Every decision during this stage matters. A strong early strategy can change the entire direction of your case.

What Is the Minimum Sentence for First-Degree Assault?

For crimes of violence, Colorado law requires mandatory prison sentencing. The typical sentencing range for a Class 3 felony crime of violence is 8 to 24 years in prison, plus 3 years of mandatory parole. Judges have limited discretion in these cases. If convicted, prison is usually mandatory.

What Other Consequences Are There for First-Degree Assault in Colorado?

In addition to lengthy incarceration, a conviction can lead to:

• A permanent felony record. A felony can affect employment, housing, and professional licensing.
• Loss of firearm rights. Federal and state laws restrict firearm possession after felony convictions.
• Immigration consequences. Non-citizens may face removal proceedings.
• Lifetime social and professional impact. Violent felony convictions follow you long after release.

When the stakes involve decades in prison and these other consequences, you cannot afford a passive defense.

What Defenses Apply in First-Degree Assault Colorado Cases?

The proper defense depends on the facts, the witnesses, and the forensic evidence. 

Common defense strategies may include:

• Self-defense or defense of others. Colorado law allows you to use reasonable force to protect yourself or someone else under certain circumstances.
• Lack of intent. If the injury resulted from an accident rather than intentional conduct, the charge may not fit.
• Misidentification. Eyewitnesses often make mistakes, especially in chaotic situations.
• Challenging the severity of the injury. Not every injury qualifies as serious bodily injury.
• Suppression of evidence. If law enforcement violated your constitutional rights, the court may exclude key evidence.

These are just a few of the options an attorney may use to defend you against these charges.

Why Choose Merson Law Office, LLC to Defend Against Your 1st Degree Assault Charge in Colorado?

When you are facing an assault charge that could put you in prison for decades, experience matters. Defense attorney James Merson brings over 20 years of criminal defense experience to every case, having handled thousands of cases and tried almost 100 jury trials across Colorado. In 2010, he was honored as Attorney of the Year by the Colorado State Public Defender for his outstanding trial work, and he has since trained other attorneys and taught trial advocacy at the University of Colorado School of Law. He approaches every case by searching for the pressure points, weaknesses, and strategic possibilities that can change the outcome of your case. 

Your Freedom Is Too Important to Leave to Chance

A first-degree assault charge carries life-changing consequences. The earlier you involve an experienced defense attorney, the more options you preserve. Schedule a free consultation with Merson Law Office, LLC today and start building your defense immediately. With decades of courtroom experience across Colorado, the firm provides steady guidance, strategic advocacy, and a clear plan forward when everything feels uncertain. 

Call (970) 219-2923 or send us an online message for a free, confidential consultation. We serve clients throughout Colorado, including Longmont, Boulder, Adams County, Weld County, and more.

FAQs

Can 1st Degree Assault Charges Be Reduced?

Yes, your attorney can sometimes get your charges reduced through strategic litigation or negotiation. Prosecutors often overcharge early, before all the facts emerge. Weaknesses in the evidence, such as issues with intent, the severity of the injury, or witness credibility, can be leveraged. A strong defense strategy can lead to reduced charges or alternative solutions.

Does the Alleged Victim Decide Whether Charges Move Forward?

Once law enforcement files a case, the prosecutor decides whether to proceed. Even if the alleged victim asks to drop the charges, it is up to the state to determine whether to proceed under the law. 

Can I Bond Out After a First-Degree Assault Arrest?

Courts often set high bonds and impose conditions such as no-contact orders, firearm restrictions, or supervision. Your attorney can argue for reasonable bonds and challenge restrictions. Early advocacy at this stage can significantly affect your ability to prepare your defense.

Will This Case Automatically Go to Trial?

Not every first-degree assault case goes to trial, but you should prepare as if it will. Thorough trial preparation strengthens your position at every stage of the case. Prosecutors take negotiations more seriously when they know the defense is ready and willing to try the case before a jury. 

What Should I Do Right Now If I Am Facing These Charges?

Do not discuss the case with anyone except your attorney. Avoid social media, contacting alleged victims, or trying to explain your side informally. Preserve evidence and speak with an experienced criminal defense attorney immediately to protect your rights and start building your strategy.

Legal References Used to Inform This Page:

To ensure the accuracy and clarity of this page, we referenced official legal and other resources during the content development process:

• Assault in the First Degree, Colo. Rev. Stat. § 18-3-202.
• Serious Bodily Injury, Colo. Rev. Stat. § 18-1-901(p).
• Mandatory Sentences for Violent Crimes, Colo. Rev. Stat. § 18-1.3-406.
• Felonies Classified – Presumptive Penalties, Colo. Rev. Stat. § 18-1.3-401(1)(a)(V.5)(A).
• Possession of Weapons by Previous Offenders, Colo. Rev. Stat. § 18-12-108.
• Identify Prohibited Persons, The Gun Control Act, Bureau of Alcohol, Tobacco, Firearms, and Explosives.
• Use of Physical Force in Defense of a Person, Colo. Rev. Stat. § 18-1-704.

About the Author

James Merson

Attorney

James' Bio