Industry Guide
Commercial Insurance for Auto Repair Shops
Auto repair shops have a unique insurance profile that differs significantly from virtually every other commercial account class. They require specialized garage coverages that address customers' vehicles in their care — something standard GL and property policies explicitly exclude. Submitting an auto repair account requires understanding garage liability, garagekeepers legal liability, and how these interact with property, workers comp, and the shop's unique fire and environmental exposures. Getting the coverage structure wrong can leave significant gaps that surface at exactly the wrong moment.
Coverage auto repair shops need
Garage Liability
The auto service industry's equivalent of commercial general liability. Covers bodily injury and property damage arising from shop operations — customer slip-and-falls, test drives, and damage to third-party property caused by shop employees. Garage liability is a distinct form from standard CGL and is required for this class.
Garagekeepers Legal Liability
Covers customer vehicles in the shop's care, custody, or control. If a customer's car is damaged by fire, theft, vandalism, or a collision while on the premises or during a test drive, garagekeepers pays. This is the single most important coverage gap in auto repair insurance — and the most commonly omitted.
Workers' Compensation
Auto repair carries significant WC exposure — burns from hot engines and exhaust, crushing injuries from lifts and falling components, back injuries, chemical exposure from brake fluid and solvents, and repetitive motion from wrench work. Payroll by class code is essential for accurate rating.
Commercial Property
Covers the shop building, vehicle lifts, diagnostic equipment, tools, and parts inventory. Fire exposure is elevated in shops that store flammable fluids — valuation must reflect the cost to replace specialty equipment.
Commercial Umbrella
Provides excess limits above garage liability and employer liability. Important when the shop services high-value vehicles or operates near pedestrian traffic where a single incident could produce a large judgment.
Dealers Open Lot (if applicable)
For shops that also buy and sell vehicles, dealers open lot coverage protects the inventory of vehicles on the lot against collision, comprehensive, and other physical damage perils. Required if the shop holds dealer plates or titles vehicles for resale.
Risks unique to auto repair operations
The bailee relationship between an auto repair shop and its customers creates the defining insurance exposure for this class. When a customer drops off their vehicle, the shop takes legal responsibility for that vehicle as a bailee — meaning the shop is liable if the vehicle is damaged while in their care through fire, theft, storm, flood, vandalism, or collision. Standard commercial general liability policies exclude coverage for property in the insured's care, custody, and control. This means that every vehicle on the shop's premises is completely uninsured under a standard commercial package unless a separate garagekeepers policy is in force.
Fire is a major property hazard in auto repair facilities due to the presence of flammable materials — engine oil, transmission fluid, brake fluid, coolant, aerosol lubricants, and cleaning solvents. Body and collision shops face an even higher fire exposure from paint, primer, and lacquer materials used in finishing. A single ignition source — a spark from a grinder, an overloaded circuit, or a lit cigarette near a drain — can start a fire that spreads rapidly through a shop full of customer vehicles and stored flammables. Underwriters evaluate fire suppression systems, vehicle storage density, and housekeeping practices closely on auto repair submissions.
Environmental and pollution liability is a growing concern for auto repair shops. Used motor oil, transmission fluid, coolant, and brake fluid are all regulated waste products under federal and state environmental law. Improper storage or disposal — including an accidental spill that reaches a storm drain or neighboring soil — can trigger EPA or state environmental agency enforcement action and third-party contamination claims. Standard CGL policies contain absolute pollution exclusions that eliminate coverage for these events. Auto repair shops that generate significant volumes of waste fluids should be evaluated for a separate pollution liability endorsement or policy.
High-value and exotic vehicle exposure is a growing risk as more shops accept vehicles worth $100,000 or more from customers who own European sports cars, American muscle cars, or luxury SUVs. Standard garagekeepers policies may have per-vehicle sublimits that are inadequate for these vehicles. Shops that regularly service high-value vehicles should discuss this with their underwriter and confirm whether the per-vehicle garagekeepers limit is sufficient — or whether an agreed-value schedule is needed for certain vehicle types.
ACORD forms for auto repair submissions
Auto repair shops require specialized garage forms rather than the standard commercial package forms used for most other accounts. Submitting on a standard commercial package without the garage section is one of the most common structural errors in this class.
ACORD 36BGarage Section
The primary underwriting form for auto repair and service accounts. Captures garage liability operations, garagekeepers limits (direct primary or legal liability), number of service bays, types of work performed, maximum vehicle value, and total vehicle values on premises. Most garage carriers require this form — it replaces the ACORD 126 for this class.
ACORD 125Commercial Insurance Application
Required as the base form for all commercial submissions. Captures entity type, ownership, location, prior loss history, and a description of operations. For auto repair, the operations description should specify the types of repairs performed and any specialty services.
ACORD 130Workers Compensation Application
Required when writing WC. Auto mechanic payroll is typically classified under NCCI class code 8380 (auto service/repair) or 8393 (body shop). Service writers and clerical staff carry lower-rated codes. Payroll must be broken out by job function for accurate rating.
ACORD 140Property Section
Required for commercial property coverage. Covers the shop building, lifts, diagnostic equipment, tools, and parts inventory. Fire suppression systems and alarm systems should be noted, as they affect pricing significantly for shops with elevated fire hazard.
Key underwriting questions for auto repair
→Type of repair work performed — general mechanical, body and collision, transmission and drivetrain, tires and alignment, quick lube, or specialty (diesel, EV, exotics)
→Annual gross revenue broken down by service type
→Maximum value of any single customer vehicle accepted on premises at any time (sets garagekeepers per-vehicle limit)
→Total value of all customer vehicles on premises at peak capacity — this sets the aggregate garagekeepers limit
→Number of service bays in the shop
→Number of full-time and part-time mechanics, technicians, and service advisors
→Total payroll broken out by job classification — mechanics (class 8380), body shop technicians (class 8393), service writers, and clerical
→Whether employees test-drive customer vehicles on public roads, and the typical radius of test drives
→Whether body shop or collision repair work is performed — this adds paint booth fire exposure
→Whether any vehicles are stored outside overnight on a lot separate from the main shop
→Garagekeepers coverage election — direct primary (pays regardless of fault) vs. legal liability (pays only when shop is legally liable)
→Security measures in place — monitored alarm, CCTV cameras, perimeter fencing, lot lighting
→Whether any exotic, collector, or luxury vehicles (over $100,000) are accepted for service
→Whether the shop also buys and sells vehicles or holds dealer plates (adds dealer open lot exposure)
→Whether state vehicle safety or emissions inspections are performed (adds inspection program liability)
→Environmental compliance — how waste oil, coolant, and other fluids are stored and disposed of
→Prior claims in the last 5 years — type, cause, and amount
→Presence and type of vehicle lifts — two-post, four-post, alignment lifts — and last inspection date
Common submission mistakes for auto repair accounts
Not obtaining garagekeepers coverage at all
Garagekeepers legal liability is the coverage that protects the shop when a customer's vehicle is damaged while in the shop's care. Standard commercial general liability policies specifically exclude damage to property in the insured's care, custody, or control — which means every vehicle in the shop is uninsured under a standard GL policy. A fire, theft, flood, or collision on the lot that destroys ten customer vehicles could produce a catastrophic uninsured loss. Garagekeepers is not optional for auto repair shops — it is fundamental.
Setting garagekeepers limits based on one vehicle instead of peak capacity
One of the most common and dangerous errors on auto repair submissions. A shop with 8 bays that accepts vehicles up to $80,000 may have $300,000 to $500,000 worth of customer vehicles on the premises at any given time. If the garagekeepers limit is set at $80,000 — the value of the most expensive vehicle — a single fire event that destroys multiple vehicles produces an enormous uncovered loss. The aggregate garagekeepers limit must be set based on the total value of all vehicles that could reasonably be on premises at once, not just the most valuable single vehicle.
Using a standard CGL form instead of a garage liability form
Garage liability is a separate ISO coverage form (CA 00 05) designed specifically for the auto service industry. It includes coverage for completed operations, customer vehicles in care and custody, and employee use of vehicles in the course of operations — none of which are adequately covered by a standard CGL policy (ISO CG 00 01). Agents who submit an auto repair account on a standard commercial package policy with a CGL form may find that key exposures are uninsured at claim time.
Failing to disclose test drives on public roads
Most auto repair shops test-drive customer vehicles after performing mechanical work to verify the repair. This creates auto liability exposure — if an employee causes an accident while test-driving a customer's vehicle, the liability arises from the shop's operations. Garage liability policies cover this, but the underwriter must know that test drives occur and on what roads. Undisclosed test drive exposure that results in a claim can trigger coverage questions about whether the operation was within the scope of the policy.
Not addressing fire exposure for body and collision shops
Body shops have dramatically elevated fire exposure compared to general mechanical repair shops. Paint booths use flammable solvents and lacquers under forced-air conditions, and spray painting creates explosive vapor concentrations. Body shop property rates are substantially higher than mechanical shop rates, and carriers require specific information about paint booth specifications, ventilation systems, and fire suppression. Submitting a body shop as a general auto repair account without disclosing the paint and body work will result in mispriced coverage — and potentially a disputed claim if fire damage occurs.
How AgencyAssist helps
Auto repair submissions require garage-specific information that standard intake checklists do not capture — garagekeepers limit calculations, service type breakdowns, bay counts, and employee payroll by job classification. AgencyAssist collects all of this through a structured client intake link and generates the completed ACORD 36B, 125, and 130 automatically. Garagekeepers limits are flagged if the declared limit appears insufficient relative to the number of bays and vehicle values disclosed. The submission is ready to send to garage specialty markets without additional data entry.
Complete auto repair shop submissions in one workflow
One intake link. All required ACORD forms generated automatically.