Auto Repair Shop Insurance Cost: What Moves Price

Underwriters price an auto repair shop on factors such as payroll, class codes, customer cars on site, the shop's own vehicles, fire controls and claims history. Some of these a new owner can move in the first year, such as controls, records, limits and deductibles. Others, such as an inherited experience mod, they cannot. Do not copy the seller's premium line into your acquisition model: price the shop you plan to run. Written for buyers building the first-year model. This guide gives no prices, because rates depend on the carrier, the state and your shop, and quotes come only from carriers.

The short answer

Workers' comp is rated by class code and payroll, then adjusted by an experience mod (a factor based on past claims). In National Council on Compensation Insurance (NCCI) states and several others, a buyer usually inherits the seller's experience. A very small shop may be below the state's premium threshold for a mod, in which case it is rated at 1.00.
Garagekeepers is scheduled by limit per location, with a deductible per car. The form (legal liability or direct) and the causes of loss you choose are also quote choices, so ask for options priced side by side and size the limit to real peak volume, since too much and too little both cost you.
The services you offer decide which insurers will quote you. Collision, towing, performance work, heavy vehicles and tire or transmission specialties are underwritten differently, and hard-to-place shops may need the surplus lines market.
Fire controls, lift maintenance, training and clean records are things you can show an underwriter.
Get quotes before you finalize the acquisition model so that insurance cost, and any difference from the seller's history, is realistic. A quote is not coverage.

What do underwriters actually price in a repair shop?

Premiums are built from exposure (how much risk the shop carries), rates (set by carriers and, for workers' comp, built on loss costs or rates from a rating organization and approved in each state) and the shop's own history. The table lists the main drivers and the part a new owner can play. Nothing in it is a price.

Repair shop cost drivers and what a new owner can influence
Cost driver	Why it matters to an underwriter	What you can do
Payroll and class codes	Workers' comp is a rate per $100 of payroll for each class code, and injury claims tend to come from technician work such as lifts, heavy parts and chemicals	Keep payroll estimates accurate and records by role. See the workers' comp guide
Experience mod	Past claims set a factor that raises or lowers premium, and the buyer often inherits it	If a mod applies, check it for errors, and reduce claim cost going forward
Sales or payroll basis for liability	Liability rating bases differ by carrier and class (some use sales, some payroll or other measures)	Report accurately and ask which basis your quote uses
Customer cars on site	Limits are scheduled per location with a deductible per car, and the form and causes of loss are choices that can change the quote. See coverage gaps	Size the limit to your real peak, and decide how many cars stay outside overnight
Services offered	Collision, towing, performance, heavy vehicle and specialty work carry different risk	Describe operations fully and plainly in the application
Shop vehicles and drivers	Test drives, loaners and shop trucks create auto exposure	Set driver standards and remove vehicles you no longer use
Premises and fire controls	Fire is among the most common and most expensive shop claims, according to one carrier	Document rag handling, solvent storage, spray booth, pit and tire storage practices, and gather building details: construction, wiring updates, sprinklers or alarm monitoring, and who owns the building
Property values and valuation	Lifts, compressors, scan tools, parts and tire stock set the property limit, and the valuation basis (actual cash value or replacement cost) changes what a loss pays	Build a current equipment and inventory list, ask for quotes on a replacement cost basis, and compare with your lender's written insurance list, since Small Business Administration (SBA) rules generally call for replacement cost on equipment and inventory collateral
Pollution exposure	Parts washer, used oil and waste practices affect whether site pollution cover is offered and on what terms	Keep generator records, hauler receipts and spill procedures
Claims history	Loss runs show frequency and severity by line	Review open claims with your broker and keep the file current
Limits, deductibles and contract terms	Higher limits and extra endorsements can raise cost, and higher deductibles can lower it	Choose limits that fit your lender, lease and fleet contracts

How should you budget insurance in the acquisition model?

The seller's premium line shows the shop the seller ran, not the one you plan to run. Quotes before closing let the model, the lender and your investors see realistic numbers. A quote is not coverage, so treat it as an estimate until the carrier binds. A quality of earnings (QoE) review tests how reliable earnings are and can normalize insurance cost over the historical period. See budgeting insurance in your acquisition model and insurance in quality of earnings. The broader library page is auto repair shop insurance cost.

A hypothetical example. A buyer of a four-bay shop with about $280,000 of technician payroll plans to add two technicians and a tow truck in year one. Say payroll heads toward $420,000 and the busiest day goes from 8 customer cars to 14. The garagekeepers limit has to cover more cars, a new vehicle and driver join the auto schedule, and towing may be rated separately. The seller's loss runs show none of that, so the buyer asks a broker to price the plan, not the past.

Which drivers can a new owner change in the first year?

Start with controls and records, because they cost little and an underwriter can see them.

Lift and shop safety records. Material from one regional office of the Occupational Safety and Health Administration (OSHA) says many lift violations involve poor maintenance, missing training and improper operation. A written maintenance log, training records and an injury log show that someone is managing the risk.
Fire controls. Metal rag bins with lids, solvent storage, battery charging rules and a spray booth designed for the work all answer questions an underwriter asks.
Drivers and keys. Test drive rules, driver record checks and key control address both auto and theft exposure.
Limits and deductibles. Raising a deductible can lower premium but moves cash risk to you. On garagekeepers the deductible applies to each customer's car, so test it against a day with many cars on the lot. See raising deductibles after an acquisition.

What does the seller's history do to your price?

In NCCI states and several independent bureau states, a buyer usually inherits the seller's workers' comp experience, so technician injuries, especially lift and lifting claims, follow the shop. A small shop may have no mod at all if its premium is below the state's threshold, so ask the insurer whether yours has one. See our workers' comp guide for repair shops and reviewing an experience mod for errors.

Loss runs for garagekeepers and property show whether past fires or customer-car claims will weigh on your first renewal, and a clean record can help at exit. See clean loss history and exit value. If the seller carried too little coverage, the true cost of a proper program may exceed history. See underinsured sellers and true earnings.

Does the kind of shop you run change which insurers will quote you?

Shops differ more than the label suggests, and insurers differ in appetite (which risks an insurer wants to write). A general repair shop, a tire or transmission specialist, a collision shop, a performance builder and a heavy vehicle shop do not look the same to an underwriter. Many small shops can be written in the standard (admitted) market on a businessowners policy or package, according to one trade-press broker interview. High-performance, heavy-vehicle or otherwise hard-to-place shops may need the excess and surplus market, which can mean more exclusions or higher deductibles and generally does not carry state guaranty fund protection.

Towing for others and body repair are separately rated in workers' comp under the North Carolina Rate Bureau's published notes, while Massachusetts keeps towing in class 8380 unless it is half or more of receipts, and class codes vary by state and bureau. Adding either after the purchase can change the rating basis. See admitted versus surplus lines for an inherited account.

What should you not do to save premium?

A few savings tactics tend to backfire.

Understating technician pay. Flat-rate pay and bonuses count as payroll at audit, which can come up to three years after the policy ends, and the gap comes back as a bill. See payroll estimates and audit bills.
Cutting the garagekeepers limit below your peak. It is an easy line to trim and a costly one to be short on.
Thinning what your contracts require. The lender's loss payable wording and any franchisor minimum garage liability limit sit in your contracts. A lapse may breach your loan documents, lease or franchise agreement, and lenders often have the right under their loan documents to force-place coverage at your expense. Ask your lender and counsel what your documents say.
Leaving out services. If an application omits towing or body work and a claim arises, the carrier may question the application.

The principle in how to reduce insurance costs after buying a business applies here: lower the cost of risk, not the coverage you need. Related guides: insurance after you buy a repair shop and coverage gaps.

Keep reading

Frequently asked questions

What affects auto repair shop insurance the most?

Payroll and class codes drive workers' comp, customer cars on site drive garagekeepers, and claims history and controls affect most lines. The mix depends on the carrier, state and services the shop offers, so the only reliable number is a quote.

Will I inherit the seller's experience mod?

Usually. In states that follow NCCI rules, an ownership change, including an asset purchase, generally transfers the seller's experience to the buyer, and the change must be reported to the insurer within 90 days. The rating organization decides the result, and some states have their own rules. Very small shops may not qualify for a mod at all, so ask the insurer whether yours has one.

Can I lower my repair shop premium after buying?

Sometimes. Accurate records, lift maintenance, fire controls, return to work programs, driver rules and sensible deductibles can help at renewal, but credits vary by carrier and nothing is promised. Never cut coverage your lender, lease or contracts require.

Does adding towing or body work change my insurance?

Yes. In North Carolina's published rating notes, towing for others and body repair are rated separately from general repair, while Massachusetts keeps towing in the general repair class unless it is half or more of receipts. Other states and bureaus differ. Both also change how liability and auto underwriters see the shop. Tell your broker before you add a service so coverage and rating match what you do.

Should I get insurance quotes before I close on a shop?

Buyers often do, so the acquisition model, lender package and investor update use realistic insurance cost. A quote is not coverage, and carriers decide terms, so treat it as an estimate until the policy is bound.

References

Just bought a business? Get your insurance reviewed.

Send Morrow the declarations pages, loss runs and key contracts you inherited. Morrow can review them against the business you bought, flag gaps and request quotes where it makes sense. Any new terms depend on carrier underwriting.

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This article is general information, not legal, tax or financial advice, and not a coverage determination. Coverage depends on the actual policy wording, carrier underwriting, your purchase agreement and your contracts. Ask your attorney and accountant about deal and legal questions.

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