Colorado Rate Regulations for Personal Lines Insurance
References: C.R.S. 10-4-401; 10-4-403; 10-4-416
Colorado regulates the way insurers set and file rates for personal lines insurance. The major requirements include:
Rates Must Not Be Excessive, Inadequate, or Unfairly Discriminatory
- Rates cannot be too high (excessive)
- Rates cannot jeopardize solvency by being too low (inadequate)
- Rates cannot unfairly discriminate among individuals with the same risk characteristics
File-and-Use System
Colorado uses a file-and-use rating system:
- Insurers file their rates with the Commissioner
- They may begin using the rates immediately unless specifically disapproved
No Rating Based on Disallowed Factors
Disallowed discriminatory rating factors include:
- Race
- Religion
- National origin
- Marital status (except allowed cases tied to risk, e.g., auto policy structure)
Supporting Documentation
Under 10-4-416, insurers must maintain documentation supporting how rates were developed and must provide it upon request by the Commissioner.
Summary Disclosure Form
References: C.R.S. 10-4-111; 10-4-636; Bulletins B-5.15; Reg. 5-2-16; 5-1-25; 5-1-26
Colorado requires insurers to provide clear, written explanations of specific policy features.
Purpose of Summary Disclosure Forms
To ensure consumers understand:
- Coverage limits
- Deductibles
- Exclusions
- Key definitions
- Optional coverages
- Claims processes
Auto Insurance Summary Disclosure
Under 10-4-636, insurers must provide a standardized disclosure form when issuing or renewing an auto policy, summarizing:
- Liability requirements
- UM/UIM coverage
- MedPay
- Policyholder rights (e.g., repair choice)
Homeowners Summary Disclosure
Bulletin B-5.15 requires insurers to clearly outline:
- Coverage A–D
- Replacement cost vs ACV
- Catastrophic deductibles
- Limits on certain personal property
- Water, mold, or weather exclusions
The summary does not replace the policy contract.
Use of Credit Information
References: C.R.S. 10-4-116; Reg. 5-1-25; 5-1-26
Colorado allows insurers to use credit information in rating and underwriting with strict limitations.
- No cancellation or nonrenewal based solely on credit information.
- Consumers must receive a notice of adverse action if credit negatively impacts the rate.
- Insurers must re-rate the policyholder upon request if credit improves, but no more than once every 12 months.
- Credit models must be filed with the Commissioner.
- Prohibited credit factors include:
- Number of credit inquiries not initiated by the consumer
- Medical collections
- Credit information affected by catastrophic events or identity theft
Fraudulent Claims & Arson Information Reporting Act
References: C.R.S. 10-4-1001 through 1008; 10-1-128; Reg. 6-5-1
Colorado requires insurers to combat arson and fraud through reporting procedures.
Insurance and Loans Secured by Real Property
Although not governed by a single statute, Colorado restricts certain lender practices:
- Lenders cannot force-place insurance unless the borrower fails to maintain required coverage.
- Coverage may not exceed the reasonable replacement value of the improvements (not total loan amount).
- Borrowers must receive notice before forced placement occurs.
Homeowners Insurance Regulations
Cancellation & Nonrenewal
Reference: C.R.S. 10-4-110.7
Reasons allowed for cancellation/nonrenewal include:
- Nonpayment of premium
- Fraud or material misrepresentation
- Substantial change in risk
- Multiple claims within a defined period (subject to limits)
Restrictions include:
- 45-day written notice required for nonrenewal
- Protective safeguards (e.g., alarms) cannot be used unfairly
- Claims for weather, fire, or non-fault losses cannot be sole grounds for nonrenewal
Required Coverages
References: C.R.S. 10-4-110.8; Reg. 5-1-25; 5-1-26
Homeowners policies must include:
- Disclosure of actual cash value vs replacement cost
- Explanation of depreciation
- Catastrophe deductibles
- Clear explanation of exclusions (mold, water backup, etc.)
Availability of Fire Insurance
References: 10-4-110.7; 10-4-110.9; 10-4-1801 through 1812; Reg. 5-1-17
Colorado maintains mechanisms to ensure fire insurance availability.
Fair Access to Insurance Requirements (FAIR) Plan
- Designed to provide coverage for homeowners in high-risk wildfire or urban blight areas.
- Applicants must show legitimate attempts to obtain coverage from standard markets.
- Rates must be adequate and non-discriminatory.
- The state can require insurers to participate in shared risk pools.
Automobile Insurance Laws
Cancellation/Nonrenewal Rules
References: 10-4-602; 10-4-603; 10-4-604; 10-4-626–630; Reg. 5-2-12
Allowed cancellation reasons include:
- Nonpayment
- Fraud/misrepresentation
- Loss of driving privileges
- Significant increase in hazard
Restrictions:
- At least 30 days’ notice is required for nonrenewal
- Accident or ticket not at fault cannot be sole reason for nonrenewal
- Claims for towing/glass cannot be used excessively for rating or nonrenewal
Excluded Drivers
References: 10-4-628; 10-4-629; 10-4-630; Reg. 5-2-2
- Policyholders may request a specific person be excluded.
- Excluded drivers may not operate the covered auto under any circumstances.
- The exclusion must be in writing and signed.
- Accidents caused by excluded drivers are not covered.
Uninsured/Underinsured Motorist (UM/UIM)
References: 10-4-609; 10-4-610
Colorado requires insurers to offer UM/UIM in at least the same limits as liability.
- Coverage protects insureds, family members, and permissive users.
- UM/UIM may only be rejected in writing.
- Stacking is permitted as long as total coverage does not exceed actual damages.
Financial Responsibility
References: 10-4-619; 10-4-620; 42-7-103(2); 42-7-301
Colorado requires:
- Minimum liability limits (“25/50/15”)
- Proof of insurance after accidents or violations
- FR coverage may be required after DUI or at-risk driving behavior
Required Auto Coverages
References: 10-4-619 through 621
Mandatory:
- Bodily Injury Liability
- Property Damage Liability
- Optional (but commonly written):
- Collision
- Comprehensive
- UM/UIM
- Medical Payments (MedPay)
Medical Payments Coverage (MedPay)
References: 10-4-635; 10-4-636; 10-4-641; Reg. 5-2-16
MedPay in Colorado:
- Must be offered at at least $5,000
- Cannot be coordinated with workers’ compensation
- Must include a one-time opt-out option in writing
- Pays for medical expenses regardless of fault
Transportation Network Companies (TNCs)
References: 40-10.1-604
This applies to ride-share companies like Uber and Lyft. Requirements include:
Period-based insurance coverage:
- App on, no passenger: Contingent liability coverage
- Passenger in vehicle: Primary liability coverage must meet heightened limits
- Insurers may write TNC-specific policies
Claims Handling Rules
Reference: 10-3-1117
Prohibits unfair claims practices such as:
- Delaying payment without cause
- Failing to acknowledge claims promptly
- Misrepresenting policy provisions
- Failing to adopt reasonable standards for investigations
Violations can result in double damages, attorney fees, and regulatory penalties.
Colorado Auto Insurance Plan
Reference: 10-4-412
Colorado maintains a mechanism to ensure the availability of auto insurance.