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Commercial Auto Insurance for a Mobile Mechanic's Service Van

Updated 2026-10-17. Sources are listed at the end.

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This is general information, not legal or tax advice. Rules vary by state and change often. Confirm with the official source linked in each section, or with a licensed attorney, CPA or insurance agent, before you act.

For a mobile mechanic, the van is the shop. It carries your tools, often a compressor or generator, and it’s on the road all day. Here’s how to insure it properly.

Does your personal auto policy cover it?

Often not. The National Association of Insurance Commissioners (NAIC) says personal auto insurance usually doesn’t cover vehicles used for work (NAIC, Auto insurance). Read your policy’s business-use exclusion, and tell your insurer how you use the vehicle. A denied claim after a crash on the way to a job is the expensive way to find out.

What NAIC says to look for

From NAIC’s small-business insurance guide (NAIC):

Minimums are set by your state

Each state sets its own auto insurance laws, and most require a minimum level of coverage (NAIC). Minimums are a legal floor, not a recommendation. Commercial customers and fleet accounts often ask for higher limits on your certificate of insurance.

Tools in the van aren’t automatically covered

Commercial auto covers the vehicle and your liability for driving it. Loose tools and diagnostic equipment are usually insured separately, under inland marine / tools and equipment coverage, which Insureon describes as covering tools in transit and at job sites (Insureon). The customer’s car in your care is yet another policy (garagekeepers). See garage liability vs garagekeepers vs commercial auto.

Do you need a USDOT number?

Most mobile mechanic vans don’t, but check. FMCSA requires a USDOT number for vehicles in interstate commerce with a gross vehicle (or combination) weight rating of 10,001 lb or more, among other cases. Many states also require USDOT numbers for intrastate commercial vehicles (FMCSA, Do I need a USDOT number?). A heavy-duty service truck, or a van towing a trailer, can cross that weight line. Check the GVWR sticker on the door jamb.

What it costs

Insureon reports a median of about $103/month for commercial auto among its auto repair customers (Insureon). Your price depends on your driving record, vehicle, limits, state and how many drivers you list. Get at least two quotes:

Questions to ask the agent

  1. Is my business use covered, and are tools-in-transit and attached equipment covered or excluded?
  2. If I hire a helper, are they covered to drive the van? Is HNOA included for when they use their own car?
  3. What limits do my commercial customers require, and can I get a certificate of insurance quickly?
  4. Is there a discount for bundling with garage liability or a business owner’s policy?

Price it into every job

Insurance plus fuel, maintenance and depreciation is what your trip fee has to cover. See the mileage deduction guide for tax records, and run your per-job numbers in the labor quote calculator.

How to insure the tools inside the van: tools and equipment insurance. How to write off the van itself: Section 179 and bonus depreciation for a service van.

Sources