Learn which insurance companies back Costco auto insurance in 2026 and understand how its partnerships work. Explore coverage options, eligibility requirements, policy documents, and state-specific terms. Discover important factors to review when comparing auto insurance arrangements and evaluating coverage details to make informed decisions about vehicle protection.
Costco members exploring auto insurance may wonder which company provides the coverage behind the familiar membership brand. In 2026, Costco’s auto insurance offering is associated with American Family Insurance, which identifies the companies responsible for underwriting its auto policies. Costco itself does not underwrite insurance policies or pay claims. The actual insurer can vary depending on the policy and state. Understanding this distinction helps drivers review their coverage, recognize who handles insurance obligations, and compare policy terms more accurately. This guide explains the insurance partnership, common coverage considerations, membership-related benefits, and important details to verify when reading policy documents.
Costco is widely known for its membership warehouse stores, but its services also include access to auto insurance options. Drivers researching this program may want to understand which company stands behind the coverage and who is responsible for managing insurance policies. In 2026, Costco’s auto insurance program is associated with American Family Insurance. The insurer’s official information identifies the companies that underwrite its auto policies, while Costco acts as a distribution and membership partner rather than the insurance underwriter. <Cite refs={["turn616301search0","turn616301search1"]}/>
Costco’s auto insurance offering is currently presented through American Family Insurance. Previously, the program was widely recognized under the name CONNECT, powered by American Family Insurance. The current official Costco and American Family websites identify American Family Insurance as the provider brand.
However, the precise company underwriting an individual policy can differ. According to the insurer, auto policies may be underwritten by American Family Connect Property and Casualty Insurance Company, American Family Connect Insurance Company, or Midvale Indemnity Company. <Cite refs={["turn616301search4","turn616301search2"]}/>
Understanding this distinction is important because the company named in the policy documents is responsible for the contractual insurance obligations.
Costco provides eligible members with access to an insurance program associated with American Family Insurance. Membership may offer access to certain discounts or benefits, depending on eligibility and location.
The partnership does not mean Costco itself insures vehicles. Instead, the insurance company evaluates applications, determines policy terms, and handles claims according to the applicable contract.
Drivers researching this arrangement should consider the following details:
Insurance provider: Review the American Family Insurance information associated with the program.
Underwriting company: Check the legal company name listed in the policy documents.
Membership benefits: Confirm which discounts or benefits apply to the specific membership and policy.
State availability: Verify whether the program and its particular features are available in the state where the vehicle is registered.
These details help explain how the membership relationship differs from the actual insurance contract.
Before evaluating an auto insurance policy, it helps to understand the main types of protection that may be available. Exact coverage depends on the policy, state requirements, and selected options.
Common coverage categories include:
Liability coverage: May cover qualifying bodily injury or property damage claims involving other people.
Collision coverage: May help pay for covered damage to the insured vehicle after a collision.
Comprehensive coverage: May cover specified noncollision events, subject to policy terms and exclusions.
Uninsured or underinsured motorist coverage: May provide protection in qualifying situations involving drivers with insufficient insurance.
Not every policy includes every coverage type automatically. Drivers should review limits, deductibles, exclusions, and state-specific requirements rather than assuming that all plans offer identical protection.
A familiar company name does not tell the whole story about an insurance policy. The declarations page and policy contract contain important information about the insurer, covered vehicles, listed drivers, premiums, deductibles, and coverage limits.
When reviewing documents, drivers can check:
The full legal name of the underwriting company.
The effective and expiration dates of coverage.
The listed drivers and vehicles.
The coverage limits and deductibles.
Any exclusions, conditions, or additional requirements.
These details can clarify who provides the insurance and what protection the contract actually includes.
Costco membership may provide access to insurance discounts or selected benefits, but eligibility varies. Benefits may depend on membership type, state, underwriting criteria, and the specific policy.
For example, some benefits advertised for eligible Executive members may include roadside assistance or lifetime renewability under specified conditions. These benefits are not universal guarantees and may have exclusions or limitations. <Cite refs={["turn616301search4","turn616301search3"]}/>
It is therefore useful to check the latest official program information and the terms that apply to an individual policy.
Drivers comparing insurance options can use a consistent approach to understand what each policy offers.
Compare coverage limits rather than looking only at premiums.
Review deductibles and exclusions before making comparisons.
Confirm the legal underwriting company on the policy.
Check eligibility rules for membership discounts and additional benefits.
Verify availability and policy conditions in the relevant state.
Read the policy contract carefully before making a decision.
Using the same coverage requirements when comparing different policies makes the information easier to evaluate.