Does Commercial Auto Insurance Cover Borrowed Vehicles?
It can, if the policy includes the relevant non-owned auto coverage and the vehicle is used with permission. Coverage for damage to the borrowed vehicle is a separate question.
Borrowed vehicles may be treated as non-owned autos, but the label alone does not answer whether the business, driver, or vehicle has coverage. California’s regulator says a Business Auto Policy can cover non-owned autos depending on coverage purchased. Under an illustrative ISO form, a permissive user may qualify as an insured when using a covered auto the business borrows, while the owner who loaned it is treated differently.
A business auto liability section generally addresses injury or damage the insured causes to others; it is not automatically physical damage insurance for property the business borrows. The ISO example lists limited trailer and temporary substitute auto extensions, not a broad promise to cover every borrowed vehicle.
Before borrowing, confirm the named insured, permission requirements, covered-auto symbols, liability limit, and whether collision or comprehensive applies. Also check the owner’s policy and any loan or rental agreement, especially if the vehicle will be used regularly or outside the owner’s normal territory.
Related Coverage
Sources
- Commercial Insurance Guide. California Department of Insurance; Commercial Automobile: Coverage, Classification and Limits of Insurance; How Are Commercial Policies Rated. Accessed 2026-09-25.
- Business Auto Coverage Form (CA 00 01 10 13). Insurance Services Office, Inc.; hosted by National General; Section I.A and I.C, printed pages 1–2; Section II.A.1, printed pages 2–3; Section III, printed pages 4–6. Accessed 2026-09-25.



