Written by Justin Goodman, CIC, CISC, CLCS, CEO and Co-Founder, Total CSR Published: October 2, 2026 · Last reviewed: October 2, 2026
In plain language: Non-owned auto coverage protects a business when an employee causes an accident while driving their own car, or a rented or borrowed vehicle, on company business. The business doesn’t own the car, but it can still get sued if the employee was running a work errand.
Technical definition: Non-owned auto coverage, triggered by Symbol 9 on the Business Auto Coverage Form (CA 00 01), extends liability protection to the named insured for vehicles it does not own, lease, hire, or borrow, when used in connection with the insured’s business operations by employees, partners, or members of their households.
Non-Owned Auto at a Glance
| Attribute | Detail |
|---|---|
| Also known as | Non-owned automobile liability, NOA coverage |
| Category | Commercial auto liability extension |
| Lines of business | Commercial Auto, Business Owners Policy, Commercial General Liability |
| Industries most affected | Real estate, home health care, delivery services, nonprofits, professional services with frequent employee travel |
| Related forms or endorsements | CA 99 10 (Employee Hired Auto), Business Auto Coverage Form CA 00 01, Symbol 9 |
| Who bears the risk | The business, under vicarious liability theories, when an employee’s personal vehicle causes a loss during work use |
| Common solution | Commercial auto policy with Symbol 9 (non-owned autos) added alongside Symbol 8 (hired autos) |
| Also interacts with | Employee’s personal auto policy (primary), hired auto coverage, umbrella/excess liability |
Key Takeaways
- Non-owned auto coverage protects a business from liability lawsuits that arise when an employee drives a personal, rented, or borrowed vehicle for company purposes and causes an accident.
- Agencies that write commercial auto policies without Symbol 9 leave a gap for any client whose employees ever use personal cars for business errands, deliveries, or client visits.
- The most common misunderstanding is that non-owned auto coverage protects the employee’s own car; it does not. It protects the business’s liability exposure, and the employee’s personal auto policy remains primary for damage to their own vehicle.
- Agencies should ask every commercial client one simple question during renewal: “Does anyone, including you, ever drive their own car for work?” The answer almost always triggers a need for this coverage.
What Is Non-Owned Auto in Insurance?
Non-owned auto coverage is a liability extension on a commercial auto policy that responds when a business is sued because an employee, partner, or volunteer caused an accident while driving a vehicle the business does not own. The coverage exists because courts frequently hold employers vicariously liable for the actions of employees acting within the scope of their job duties, even when the employee is driving their own car. Without this extension, a business with no owned vehicles could still face a devastating lawsuit the moment an employee runs a bank deposit in a personal sedan.
Consider a small accounting firm with no company cars. A staff accountant drives her own vehicle to a client’s office to pick up tax documents and rear-ends another driver at a stoplight. The injured party sues both the accountant and the accounting firm, arguing the firm is responsible because the trip was business-related. The accountant’s personal auto policy responds first, but if damages exceed her limits, the firm’s non-owned auto coverage picks up the firm’s share of the liability exposure.
This coverage sits apart from physical damage protection. Non-owned auto only covers the business’s liability, not repairs to the employee’s vehicle. Carriers underwrite it based on how many employees drive for work, how often, and how far, which is why agencies must gather accurate exposure information rather than assume a client with no fleet has no auto exposure at all.
How Does Non-Owned Auto Work?
- The errand. An employee uses a personal, rented, or borrowed vehicle to conduct business on behalf of the employer, such as making a delivery, visiting a client, or picking up supplies.
- The accident. The employee causes a collision while performing that work-related task, resulting in injury or property damage to a third party.
- The claim. The injured party files a claim or lawsuit naming both the driver and the employer, asserting the employer is vicariously liable because the trip served business purposes.
- The primary response. The employee’s personal auto insurance responds first, since it is the policy actually covering the vehicle involved in the loss.
- The excess response. The employer’s non-owned auto coverage responds in excess of the employee’s personal limits, or steps in if the employee was uninsured or underinsured, protecting the business’s own balance sheet from the liability judgment.
Real Claim Examples Involving Non-Owned Auto
Home health aide causes injury during a patient visit
A home health agency’s aide drove her own car between patient appointments and struck a pedestrian while backing out of a client’s driveway. The pedestrian suffered a broken hip and sued both the aide and the agency, alleging the agency was responsible because the visit was a scheduled work assignment. The aide’s personal auto limits were exhausted quickly, and the agency’s non-owned auto coverage paid the remaining settlement, preventing the claim from reaching the agency’s general assets.
Nonprofit volunteer driver accident on a supply run
A nonprofit relied on volunteers using their own vehicles to deliver food pantry supplies. One volunteer ran a red light and caused a multi-vehicle crash, injuring three people. Because the nonprofit had never purchased non-owned auto coverage, believing volunteers were “not employees,” the organization faced an uninsured liability gap and had to negotiate a costly out-of-pocket settlement.
Real estate agent showing properties in a personal vehicle
A real estate brokerage’s agent was driving a prospective buyer between listings when she rear-ended a city bus. The buyer and bus company both filed claims against the brokerage, arguing the agent was acting as the brokerage’s representative at the time. The brokerage’s non-owned auto coverage responded after the agent’s personal policy limits were exhausted, covering the brokerage’s share of the settlement and legal defense costs.
Non-Owned Auto vs. Hired Auto: What Is the Difference?
Non-owned auto coverage and hired auto coverage both appear on the Business Auto Coverage Form and both address vehicles the business does not own, but they protect against different exposures. Non-owned auto covers employee-owned or borrowed vehicles used for business, while hired auto covers vehicles the business rents, leases, or borrows directly, such as a rental car used on a business trip.
| Comparison area | Non-Owned Auto | Hired Auto |
|---|---|---|
| Primary use case | Employee’s personal vehicle used for work tasks | Business rents, leases, or borrows a vehicle directly |
| Coverage / concept type | Liability-only extension (Symbol 9) | Liability and optional physical damage (Symbol 8) |
| Typical exclusions | Physical damage to the employee’s vehicle, regular commuting in some policy forms | Vehicles owned by employees or their household members |
| Who is most affected by errors | Businesses with mobile workforces, like home health or sales | Businesses that regularly rent vehicles for travel or projects |
| Common mistakes | Assuming volunteers or part-timers aren’t “employees” for coverage purposes | Forgetting to add physical damage coverage for rental car damage |
What Are the Most Common Mistakes With Non-Owned Auto?
- Agencies assume a client without a company fleet has no commercial auto exposure, missing that any employee driving a personal car for work creates a liability gap. This leads to an uninsured claim when an accident occurs.
- Clients believe non-owned auto coverage pays to repair the employee’s vehicle after an accident. It does not; it only covers the business’s liability to third parties, leaving the employee’s physical damage claim with their own insurer.
- Producers fail to ask about volunteer drivers at nonprofits, assuming the coverage question only applies to paid staff. Courts frequently treat volunteers the same as employees for vicarious liability purposes.
- Agencies quote Symbol 9 without verifying that employees carry adequate personal auto liability limits, leaving a thin layer of protection before the non-owned coverage responds.
- CSRs forget to confirm whether regular, frequent use of a personal vehicle for business (not just occasional errands) requires a different underwriting approach, since some carriers treat frequent business use as a rating factor requiring additional disclosure.
How to Explain Non-Owned Auto to a Client
Explaining Non-Owned Auto to a personal lines client
Your own auto policy is always the first line of coverage if you cause an accident while running a work errand in your personal car. Your employer’s non-owned auto coverage exists to protect the business, not you directly, so it’s still important to carry solid liability limits on your personal policy.
Explaining Non-Owned Auto to a small business owner
If any of your employees ever drive their own cars for business, even just running to the bank or picking up supplies, you have an exposure that your commercial auto policy needs to address. Non-owned auto coverage protects your business if one of those employees causes an accident and you get named in the lawsuit. It’s a relatively low-cost addition that closes a gap most business owners don’t realize exists.
Explaining Non-Owned Auto to a CFO or risk manager
Non-owned auto coverage addresses your vicarious liability exposure from employee-operated vehicles that don’t appear on your owned or scheduled auto list. It responds in excess of the employee’s personal auto limits, so your total protection depends heavily on the adequacy of those underlying personal policies, which you generally can’t control or verify. We recommend pairing this coverage with umbrella limits and, where feasible, a policy requiring proof of minimum personal auto liability limits for employees who drive regularly for work.
Frequently Asked Questions About Non-Owned Auto
Does non-owned auto coverage protect the employee’s personal car?
No. Non-owned auto coverage only protects the business against liability claims from third parties. The employee’s own vehicle damage is handled under their personal auto policy’s collision or comprehensive coverage.
Do volunteers need to be covered under non-owned auto?
Yes, in most cases. Courts often apply the same vicarious liability standards to volunteers performing tasks on behalf of an organization as they do to paid employees, so nonprofits should disclose volunteer driving activity to their insurer and confirm coverage applies.
Is non-owned auto coverage expensive to add?
Non-owned auto coverage is typically inexpensive relative to the liability exposure it covers, since it does not include physical damage protection and most claims are shared with the employee’s personal auto insurer. Premium depends on the number of employees driving for business and the frequency of that use.
Does non-owned auto cover employees commuting to work?
Generally no. Coverage applies to vehicle use that serves a business purpose, such as client visits or deliveries, not the ordinary commute between home and the office. Agencies should review the specific policy language, since some carriers define “business use” differently.
What happens if an employee has no personal auto insurance?
The business’s non-owned auto coverage can still respond to a liability claim, but the business may face a much larger financial exposure because there’s no underlying personal policy to absorb the initial layer of the loss. This is why many risk managers require proof of personal auto insurance for employees who drive regularly for work.
Can a sole proprietor need non-owned auto coverage?
Yes. A sole proprietor who occasionally drives a spouse’s car, a rental vehicle, or a borrowed truck for business purposes can still face liability exposure from that use, and the owned business auto policy won’t automatically extend to those vehicles without the non-owned symbol added.
Related Insurance Terms
- Hired Auto Coverage: Liability and optional physical damage protection for vehicles a business rents, leases, or borrows directly, distinct from non-owned auto because it addresses vehicles the business temporarily controls rather than employee-owned cars.
- Symbol 1 Auto Coverage: The broadest ownership symbol on the Business Auto Coverage Form, covering any auto the business owns, leases, hires, or borrows, often confused with the narrower Symbol 9 used for non-owned vehicles.
- Vicarious Liability: The legal doctrine holding an employer responsible for an employee’s actions performed within the scope of employment, which is the underlying legal theory that makes non-owned auto coverage necessary.
- Business Auto Coverage Form: The standard ISO policy form, CA 00 01, that defines which vehicles are covered through numbered ownership symbols, including the Symbol 9 designation for non-owned autos.
- Employee Benefits Liability: A separate liability coverage addressing errors in administering employee benefit plans, sometimes bundled alongside non-owned auto in miscellaneous liability packages for businesses with mobile workforces.
- Umbrella Liability Policy: Excess liability coverage that sits above primary policies, including non-owned auto, and can respond when a judgment exceeds the underlying commercial auto limits.
Sources and References
About the Author
Justin Goodman, CIC, CCIP, CISC, CLCS, CRIS, PCIA, QCLS, MFHR CEO and Co-Founder, Total CSR, Inc.
Justin Goodman is a third-generation insurance broker with over two decades in agency operations. He has trained more than 100,000 CSRs, account managers, and producers in commercial and personal lines coverage, from workers’ compensation to construction risk. He was named 2024 Insurance Journal Agent of the Year and one of the nation’s top five construction insurance experts by Risk & Insurance. He is the author of Retain, which applies cognitive science research on memory and knowledge transfer to insurance training, and speaks nationally on how agencies build durable technical expertise in their teams.