Colorado’s Strict Liability Dog Bite Statute Explained: When Does C.R.S. § 13-21-124 Apply?

Current as of: September 11, 2026 Dog Bites & Animal Attacks Colorado
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Under Colorado law, dog owners are strictly liable if their dog causes serious bodily injury or death. You generally have two years to file a lawsuit in your local District Court, and a local lawyer can help secure the compensation you deserve.

Being attacked by a dog can be a deeply traumatic event, often leading to significant physical, emotional, and financial burdens. For residents of Colorado, understanding your legal rights is the first step toward getting your life back on track. Colorado has specific rules regarding dog bites, which differ significantly from general personal injury laws. Knowing how these statutes work can make a substantial difference in the outcome of your claim.

This guide provides a comprehensive overview of the state's strict liability dog bite laws. We will explore how the law defines severe injuries, the distinction between different types of financial compensation, and the steps you should take if you or a loved one are bitten in cities like Denver, Colorado Springs, or Aurora. Remember, you do not have to go through this alone; you can find experienced local attorneys in our US Lawyers directory to help guide you.

Understanding C.R.S. § 13-21-124 in Colorado

In many states, dog owners get a "free pass" if their dog has never shown aggression before. However, Colorado law operates differently in severe cases. Under C.R.S. § 13-21-124, a dog owner is held strictly liable if their dog bites someone who is lawfully on public or private property, resulting in serious bodily injury or death. This means the victim does not necessarily have to prove that the owner knew the dog was dangerous beforehand.

Defining Serious Bodily Injury

The application of strict liability hinges entirely on the severity of the injury. Under Colorado criminal and civil statutes, a "serious bodily injury" involves a substantial risk of death, a substantial risk of serious permanent disfigurement, or a protracted loss or impairment of the function of any part or organ of the body. Additionally, any break or fracture is usually classified under this severe category. If your injury meets this threshold, strict liability generally applies.

Strict Liability vs. The One-Bite Rule

If the injury is not classified as a "serious bodily injury"-for instance, a minor puncture wound or a superficial scratch-Colorado defaults to the "one-bite rule" based on negligence. In these negligence cases, you must prove that the owner knew, or should have known, about the dog's aggressive tendencies. Proving negligence can be more challenging, which is why accurately documenting the severity of your injuries from day one is critical to your claim.

When Negligence Must Be Proven

Even if strict liability applies to your medical bills, proving negligence may still be required to maximize your overall compensation. Strict liability under Colorado law restricts your financial recovery to specific types of damages. If you wish to claim compensation for emotional trauma, pain, and suffering, your attorney will generally need to demonstrate that the dog owner was negligent in their handling of the animal, such as violating local leash laws.

Economic vs. Non-Economic Damages

Under the strict liability statute, victims are only entitled to economic damages. These are out-of-pocket expenses with a clear dollar amount, such as hospital bills, physical therapy costs, and lost wages. To recover non-economic damages-like pain and suffering, loss of enjoyment of life, or emotional distress-you must successfully prove that the owner was negligent or intentionally caused the harm. Depending on the circumstances, the court might award both if negligence is clearly established.

Step-by-Step Process for Filing a Dog Bite Claim in Colorado

Whether you live in Boulder, Fort Collins, or Pueblo, the legal process for pursuing a dog bite claim generally follows a similar path through the Colorado civil justice system.

Step 1: Seek Immediate Medical Attention

Your health is the top priority. Go to an urgent care center or an emergency room immediately. Getting prompt medical care not only prevents infections like rabies but also creates an official medical record of the bite, which is a crucial piece of evidence for your case.

Step 2: Report the Incident to Local Authorities

You should report the bite to local animal control or law enforcement. Agencies like Denver Animal Protection, Denver or Animal Law Enforcement, Colorado Springs investigate these incidents, enforce quarantines, and generate an official report that your attorney can use to support your claim.

Step 3: Gather Evidence

If you are physically able, take clear photos of your injuries, the location where the attack happened, and the dog involved. Collect the contact information of the dog owner and any bystanders who witnessed the attack. Do not discuss fault or apologize at the scene.

Step 4: Identify the Insurance Coverage

Most dog bite claims in Colorado are paid out by the dog owner's homeowners or renters insurance policy. Your attorney will send a letter of representation and request a copy of the owner's insurance policy to determine the coverage limits available for your compensation.

Step 5: Demand Letter and Negotiations

Once you have reached maximum medical improvement, your legal team will compile your medical bills, lost wages, and proof of liability into a demand letter. This letter is sent to the insurance company to begin settlement negotiations. Most applicants in this state choose to settle out of court to save time and expense.

Step 6: Filing a Lawsuit in District Court

If the insurance company refuses to offer a fair settlement, your lawyer may file a formal complaint. In Colorado, civil claims exceeding $25,000 are filed in the local District Court (e.g., the Denver District Court, Denver or El Paso County District Court, Colorado Springs). Smaller claims may be filed in the County Court.

How Much Does it Cost in Colorado?

Pursuing a dog bite claim involves several potential costs, though many attorneys structure their fees to minimize your upfront financial burden.

  • Court Filing Fees: Filing a civil complaint in a Colorado District Court costs $265 under C.R.S. § 13-32-101(1)(d) (including the $30 Equal Justice fee). If a jury trial is requested, an additional jury demand fee of $231 will apply under C.R.S. § 13-71-144(1)(a).
  • Lawyer Fees: Most personal injury attorneys in Colorado work on a contingency fee basis. This means they take a percentage (usually 33% to 40%) of the final settlement or court award. You typically pay nothing out-of-pocket.
  • Expert Witness Fees: If your case goes to trial, you may need medical experts to testify about the severity of your injuries. These fees can range from $1,000 to $5,000+ depending on the expert's specialty.

How Long Does the Process Take?

The timeline for a dog bite claim in Colorado varies widely based on the complexity of the case and the severity of the injuries. Under the Colorado statute of limitations (C.R.S. § 13-80-102), you generally have two years from the date of the bite to file a lawsuit. An out-of-court settlement can sometimes be reached in 3 to 6 months once you have finished medical treatment. However, if a lawsuit is filed in a busy jurisdiction like the Denver District Court, Denver, the process can easily take 12 to 18 months before reaching a trial date.

Comparing Damages Under Colorado Law

Damage TypeCovered Under Strict Liability?Requires Proof of Negligence?Examples
Economic DamagesYesNoMedical bills, physical therapy, lost wages.
Non-Economic DamagesNoYesPain and suffering, emotional trauma, PTSD.

Frequently Asked Questions (FAQ)

What happens if the dog was provoked?

If the dog owner can prove that you provoked the dog, it can serve as a valid defense against strict liability under Colorado law. Provocation generally reduces or eliminates the owner's liability.

Are any dog breeds banned in Colorado?

Colorado state law prevents local governments from passing breed-specific bans based solely on a dog's appearance. However, some cities like Denver historically had bans, which have recently been replaced with restricted permitting processes.

Do trespassing laws affect my claim?

Yes. The strict liability statute only protects victims who are lawfully on public or private property. If you were trespassing at the time of the bite, your ability to recover damages is significantly limited.

Can I claim damages if a police dog bites me?

Generally, law enforcement and military dogs are exempt from strict liability statutes when performing their official duties, provided the agency follows standard protocols. Specialized legal advice is needed for such cases.


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