Colorado makes automobile liability coverage compulsory

Colorado does not treat liability insurance as optional for ordinary operation on the state's public highways. The owner must maintain a complying policy when the owner operates the vehicle or knowingly permits its operation, unless a statutory alternative such as valid self-insurance applies.

Owner

C.R.S. § 10-4-619

An owner who operates a motor vehicle on Colorado public highways, or knowingly permits its operation there, must have a complying policy in force unless a statutory exception applies.

Operator

C.R.S. § 42-4-1409

Colorado also prohibits a person from operating a motor vehicle on the public highways without a complying policy or certificate of self-insurance in force as required by law.

Purpose

Financial responsibility

The compulsory system creates a minimum liability layer for bodily injury, death and property damage arising from use of the motor vehicle. It is a compliance floor, not a promise that every loss will be fully compensated.

Do not confuse compulsory insurance with guaranteed recovery. A vehicle can satisfy Colorado's minimum insurance requirement and still have far too little liability insurance to compensate a serious injury.

Colorado's minimum liability limits are 25/50/15

C.R.S. § 10-4-620 establishes the basic legal-liability coverage required for compliance with Colorado's automobile-insurance statute, subject to authorized limitations and exclusions.

$25,000 One person

Bodily injury or death to any one person in any one accident.

$50,000 All persons

Bodily injury or death to all persons in any one accident.

$15,000 Property damage

Property damage arising from use of the motor vehicle in any one accident.

These limits are split limits. The $25,000 amount applies to any one injured or deceased person; the $50,000 amount is the bodily-injury/death limit for all persons in one accident; and the $15,000 amount is the separate property-damage minimum.

The statute itself says the required coverage is a minimum

C.R.S. § 10-4-621 expressly preserves the ability to issue policies providing coverage more extensive than the minimum required by § 10-4-620. That is why a claimant should never infer the actual policy limit from the statutory floor.

Difference between Colorado statutory minimum insurance and actual available coverage.
Question	What the minimum law tells you	What still must be investigated
Liability limit	The compliance floor is 25/50/15.	The issued policy may have higher split limits or a combined single limit.
Policies	A complying policy must exist unless another statutory compliance method applies.	There may be owner, employer, commercial, umbrella, excess, household or other policies.
People covered	The statute sets the minimum required liability coverage framework.	The policy determines named insureds, permissive users, excluded drivers and other insured persons, subject to law.
Damages	The statute states required insurance limits.	Medical loss, wage loss, future damages, noneconomic loss and property loss are proved independently.
First-party coverage	25/50/15 is liability coverage for responsibility to others.	UM/UIM, MedPay, collision and other first-party benefits require separate analysis.

Minimum limits do not establish claim value. A $25,000 bodily-injury minimum is not a statutory valuation of a person's injuries and is not proof that $25,000 is all the insurance or recovery available.

“The vehicle is insured” does not answer who is covered

Colorado's compulsory statute and the insurance contract must be read together. The policy's insured-person definitions, vehicle definitions, permission facts, exclusions and endorsements can determine whether a particular driver or entity receives liability protection.

Named insured

Start with the declarations

Identify the named insured, policy period, covered autos, stated limits and listed drivers. Then obtain the complete policy and endorsements.

Permissive use

Permission can matter

Many ordinary personal-auto policies extend some liability protection to permissive users, but the actual policy language, vehicle status, use and exclusions must be checked rather than assumed.

Excluded driver

C.R.S. § 10-4-630

Colorado permits qualifying named-driver exclusions. A policy can provide that the insurer is not liable for losses arising from an excluded person's operation or use of the insured vehicle.

Coverage is a status question, not merely an insurance-card question. Guide 06 addresses policy interpretation and Guide 07 addresses exclusions and coverage defenses in greater detail.

Colorado has special ways to satisfy or structure compulsory insurance

Self-insurance

C.R.S. § 10-4-624

A person with more than twenty-five motor vehicles registered in that person's name may seek a certificate of self-insurance. The commissioner must be satisfied that the person can continue paying required benefits and judgments.

Operator's policy

C.R.S. § 10-4-640

Certain natural persons may satisfy the compulsory-insurance requirement through a statutory operator's liability policy instead of an owner's policy. Its coverage is narrower and is tied closely to the named insured's operation.

Higher coverage

C.R.S. § 10-4-621

Colorado's minimum-coverage statute does not prohibit broader coverage. A complying policy can carry substantially more liability insurance than the statutory floor.

Practical consequence: do not assume every vehicle with valid proof of financial responsibility has the same type of insurance arrangement. Identify whether the file involves an ordinary owner's policy, self-insurance, an operator's policy, a commercial program or another specialized structure.

Proof of insurance is evidence of compliance — not the insurance contract

C.R.S. § 42-4-1409 requires an owner or operator to present immediate evidence of a complying policy or self-insurance after an accident, lawful traffic contact or traffic investigation when requested by a peace officer. Colorado permits electronic proof on a phone or other device.

Shows Carrier An identification card commonly identifies an insurer.

Shows Policy reference It may identify a policy number, vehicle and effective period.

Does not prove Full terms It does not reproduce definitions, exclusions, conditions or endorsements.

Does not prove Complete coverage stack It does not show every other policy, umbrella, employer or commercial layer.

Preserve the card, then investigate beyond it. The insurance identification exchanged at the scene is a lead. Guide 03 addresses the Colorado process for finding and documenting the full policy stack.

After a serious crash, use minimum insurance as the starting point

A serious-injury claim should move immediately from “Was there insurance?” to “What is the complete liability and first-party coverage architecture?”

Identify the driver and registered owner of every involved vehicle.
Preserve every insurance card, policy number, carrier name and claim number.
Confirm the actual liability limits rather than assuming 25/50/15.
Request the complete policy and endorsements where available.
Determine whether a named-driver exclusion or other coverage defense is being asserted.
Identify work, delivery, commercial, contractor or rideshare use.
Identify employer, business, owner, umbrella and excess insurance leads.
Identify the injured person's own UM/UIM, MedPay and collision coverages.
Use Colorado's statutory policy-disclosure process when it applies.
Do not sign a final release until the coverage search is reasonably complete.

A minimum-limits tender can arrive before the coverage investigation is complete. The fact that one carrier offers $25,000 does not by itself prove that no other responsible party, policy, excess layer or first-party coverage exists.

Colorado authority map

These statutes define the compulsory-insurance framework. The official 2026 Colorado Revised Statutes publication controls over summaries.

C.R.S. § 10-4-619 Coverage compulsory

Requires a complying policy for an owner operating or knowingly permitting operation of a motor vehicle on Colorado public highways, subject to statutory exceptions.

Official CRS portal →

C.R.S. § 10-4-620 Required coverage

Establishes the 25/50/15 minimum liability coverage for bodily injury, death and property damage.

General Assembly summary →

C.R.S. § 10-4-621 Required coverages are minimum

Expressly permits automobile policies providing coverage more extensive than § 10-4-620's minimum.

Official CRS portal →

C.R.S. § 10-4-623 Conditions and exclusions

Allows conditions and exclusions that are not inconsistent with Part 6 and identifies specified statutory exclusions.

Official CRS portal →

C.R.S. § 10-4-624 Self-insurers

Establishes the certificate-of-self-insurance route for a qualifying person with more than twenty-five registered motor vehicles.

Official CRS portal →

C.R.S. § 10-4-630 Named-driver exclusion

Authorizes qualifying named-driver exclusions and permits the policy to exclude liability arising from the excluded person's operation or use.

Official CRS portal →

C.R.S. § 10-4-640 Operator's policy

Allows certain natural persons to satisfy the compulsory-insurance rule through a special operator's liability policy subject to statutory limits.

Official CRS portal →

C.R.S. § 42-4-1409 Compulsory insurance and proof

Prohibits uninsured operation, requires evidence of coverage in specified traffic contexts, and authorizes electronic evidence of insurance.

Official CRS portal →

2026 source control: the Colorado General Assembly's 2026 CRS publication states that the set is current through changes made by the Seventy-fifth General Assembly at its Second Regular Session in 2026.

Frequently asked questions

What is the minimum automobile liability insurance required in Colorado?

The basic minimum under C.R.S. § 10-4-620 is $25,000 for bodily injury or death to one person, $50,000 for bodily injury or death to all persons in one accident, and $15,000 for property damage in one accident.

Does a 25/50/15 policy mean $25,000 is the maximum an injured person can recover?

No. It identifies the statutory minimum liability structure. The actual policy may have higher limits, and additional responsible parties, policies, umbrella/excess insurance, employer coverage or the claimant's own UM/UIM may materially change the total recovery analysis.

Does Colorado require collision or comprehensive coverage?

Colorado's compulsory minimum is liability coverage. Collision and comprehensive are separate first-party property coverages and are not part of the 25/50/15 statutory liability minimum, although a lender may require property coverage by contract.

Does Colorado require UM/UIM?

Colorado requires insurers issuing qualifying automobile liability policies to provide or offer UM/UIM protection under C.R.S. § 10-4-609, subject to the statute's rejection and selection rules. UM/UIM is analyzed separately in Guide 04 and is not part of the 25/50/15 liability minimum.

Does Colorado require MedPay?

C.R.S. § 10-4-635 generally requires a $5,000 MedPay benefit unless the named insured rejects it in the manner allowed by statute. MedPay is separate from liability insurance and is addressed in Guide 21.

Can a Colorado policy exclude a named driver?

Yes. C.R.S. § 10-4-630 authorizes qualifying named-driver exclusions. The actual policy and exclusion endorsement should be obtained rather than assuming coverage merely because the vehicle itself has an insurance card.

What is an operator's policy?

C.R.S. § 10-4-640 permits certain natural persons to satisfy Colorado's compulsory-insurance requirement through a special operator's policy instead of an ordinary owner's policy. It has important statutory limitations and generally does not protect another person's operation of the insured's vehicle.

Can a company or large fleet be self-insured?

Colorado law permits a qualifying person with more than twenty-five registered motor vehicles to apply for a certificate of self-insurance under C.R.S. § 10-4-624. A self-insurance structure should be investigated as a financial-responsibility system, not mistaken for an ordinary personal-auto policy.

Is an insurance identification card enough to evaluate coverage?

No. It is important evidence and should be preserved, but it does not show the complete contract, endorsements, exclusions, all insured persons or all other potentially applicable policies. Guide 03 addresses the complete coverage search.

Continue through the Colorado library

← Guide 01 Colorado Auto Insurance & Crash Law. Colorado Library Return to the Colorado state landing page. Next: Guide 03 → Policy Disclosure & Finding Every Insurance Policy.