Idaho · state requirements

Commercial auto insurance in Idaho

For Idaho contractors, delivery businesses and truckers: the state’s minimum limits, for-hire filings, penalties for going without and what coverage typically costs.

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What similar businesses pay

Commercial auto in Idaho: About $204 a month
Commercial auto, national: About $245 a month
Construction businesses, national: About $264 a month

Published benchmarks, not quotes. Your price depends on underwriting.

Cost

What commercial auto insurance in Idaho costs

About $204 a month

Commercial auto in Idaho

Insureon average for Idaho customers, limited data, updated March 2026

About $245 a month

Commercial auto, national

Insureon average for small business customers nationwide, updated March 2026

About $264 a month

Construction businesses, national

Insureon average for construction customers, updated March 2026

Insureon reports that its Idaho customers pay an average of about $204 a month, or $2,449 a year, for commercial auto, based on limited data updated in March 2026. Its national figure is $245 a month, with annual premiums from under $375 to over $16,000. Most Insureon customers have fewer than five employees, so a contractor with one or two pickups is closer to these figures than a for-hire hauler filing $750,000 with the Idaho Transportation Department. Your price depends on the vehicles, garaging, limits and each driver’s record.

What moves your price

Vehicle weight and type, from a pickup or cargo van to a tractor-trailer
Whether you haul for pay, which brings the $750,000 Idaho filing
Where vehicles are garaged and how much time they spend on rural highways and winter passes
The liability limit and UM/UIM choices on the policy
Each driver’s motor vehicle record and experience
Your claims history and the deductibles you choose

Idaho

What’s different in Idaho

25/50/15 is the floor, and $15,000 covers little

Idaho Code 49-1229 requires every owner of a vehicle registered and operated in Idaho to carry liability of at least $25,000 per person and $50,000 per accident for injuries and $15,000 for property damage, the limits set in Idaho Code 49-117. A work truck that totals a newer pickup or hits a storefront can pass $15,000 quickly, and your business owes the rest.

Business policies are not in the state’s online check

Idaho matches personal policies against registrations online, but Idaho Code 49-1234 excludes vehicles insured under commercial motor vehicle coverage. An officer may not see your policy on screen, so keep proof in every cab; Idaho Code 49-1232 accepts paper or a phone display.

Choose excess or offset underinsured cover

Insurers must include UM and UIM unless you reject them in writing (Idaho Code 41-2502). The Department of Insurance explains that excess UIM pays on top of the at-fault driver’s limit, while offset UIM is reduced by what that driver’s insurer pays. Idaho had an estimated 6.4% uninsured drivers in 2023, third lowest in the country, per the Insurance Research Council.

An even split of fault ends the claim

Under Idaho Code 6-801, you recover only if your share of fault is not as great as the other party’s, and your award shrinks by your percentage. Found 50% at fault after a lane-change crash, your business collects nothing from the other side toward its damaged truck. Dash cameras and prompt witness details help settle fault.

Pain and suffering is capped at $538,425

Idaho Code 6-1603 caps noneconomic damages and adjusts the cap each July 1; the Idaho Industrial Commission lists $538,425.04 from July 1, 2026. Medical bills and lost wages are not capped, and the cap does not apply to willful or reckless misconduct, so a serious crash can still run far past low limits.

Rural highways and wildlife drive the worst truck crashes

The Idaho Transportation Department counted 2,897 crashes involving commercial motor vehicles in 2024, with 50 people killed and 994 injured. Only 48% of those crashes were on rural roads, but 88% of the fatal ones were. ITD also mapped 1,667 crashes with wild animals that year.

Coverage

Coverage Idaho businesses need

Liability above the minimum

Pays for injuries and damage your vehicles cause to others. Commercial policies are usually written well above 25/50/15, and contracts often set the limit.

How commercial auto works →

Uninsured and underinsured motorist

On the policy unless you reject it in writing. Ask whether your UIM is excess or offset; the Department of Insurance says limits generally match your liability limits.

How commercial auto works →

Physical damage

Collision repairs your vehicle after a crash; comprehensive typically pays for animal strikes, theft and hail. Lenders usually require both.

How commercial auto works →

Medical payments

Idaho requires no PIP, so MedPay is an optional add-on for medical bills of people in your vehicle, whoever is at fault.

How commercial auto works →

Hired and non-owned auto

Covers your liability when employees drive their own or rented vehicles for work.

How commercial auto works →

Motor truck cargo

For for-hire haulers: pays for damage to the freight you carry. Auto liability covers harm to others, not your load.

Umbrella or excess

Adds limits above your auto liability when a contract asks for more than your primary policy.

How umbrella / excess works →

Rules

Idaho requirements

Idaho sets one liability floor for every registered vehicle and higher filed limits for carriers hauling for pay. Interstate carriers also answer to FMCSA, and contracts often ask for more.

Requirement	Applies to	What it means
Minimum liability	Every vehicle registered and operated in Idaho	$25,000 per person and $50,000 per accident for injuries, $15,000 for property damage, Idaho Code 49-1229 and 49-117.
Proof in the vehicle	Every driver	Paper or electronic, Idaho Code 49-1232. First offense: $75 infraction; a second within 5 years is a misdemeanor, up to $1,000 and 6 months in jail.
Plates when coverage stops	Owners who let coverage end	Surrender the registration and plates until the vehicle is insured and registered again, Idaho Code 49-1230.
UM and UIM	Policies on vehicles registered or garaged in Idaho	Included unless a named insured rejects them in writing or electronically, Idaho Code 41-2502.
For-hire property carriers	Common and contract carriers hauling others’ property in Idaho	$750,000 per accident, IDAPA 39.02.80.020, filed on Form E, E-1 or W.C. 3091. Insurers give ITD 30 days’ notice before termination (Idaho Code 49-1233).
Hazardous materials	For-hire and private carriers of listed cargoes	$1 million for oil and most hazardous materials; $5 million for explosives, bulk gases and certain other cargoes, IDAPA 39.02.80.020.03.
Passenger carriers	Buses and vans carrying passengers for pay	$1.5 million for 24 seats or fewer and $5 million for 25 or more, IDAPA 39.02.80.020.02.
Exempt haulers	Haulers of farm products, forest products and sand and gravel, plus tow trucks	Exempt from the carrier filing under Idaho Code 49-1233(4), but still bound by the 25/50/15 minimum.
Intrastate USDOT number	Idaho-only vehicles of 26,001 lb or more, combinations, more than 8 passengers or placarded hazmat	Required by Rule 19 of the Idaho Motor Carrier Rules, per the Idaho State Police; agricultural-only carriers are excepted.
Chains on posted passes	Commercial vehicles on I-90 and highway 12	When ITD posts chains on Lookout, Fourth of July or Lolo Pass, chain one drive axle and a rear trailer axle, both sides, Idaho Code 49-948.

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Pay less

How to lower the cost

Keep coverage continuous: a for-hire carrier whose insurance lapses can lose its registrations under IDAPA 39.02.80.021.
Ask about suspending coverage on a truck stored for the winter; Idaho Code 49-1234 recognizes lawful suspension for stored vehicles.
Check drivers’ motor vehicle records before hiring and every year after.
Fit dash cameras to help prove fault where 50% fault ends a claim.
Raise physical damage deductibles on older vehicles you could afford to repair.
Compare quotes at renewal; Florin is an independent broker that compares options from several insurers.

Before you start

What underwriters ask for

USDOT number, if you have one
Driver list with license numbers, dates of birth and years of experience
Vehicle schedule with VINs, weight ratings, values and any lienholder
Garaging addresses for each vehicle
Whether you haul your own goods or others’ for pay, and what the cargo is
Typical radius and whether you run I-90 or highway 12 passes in winter
Loss runs from current and prior insurers
Current declarations page showing limits and UM/UIM selections
Limits your customers require on certificates

Common questions

Commercial auto insurance in Idaho: questions

Does Idaho require PIP or no-fault coverage?

No. The Idaho Department of Insurance lists bodily injury and property damage liability as the required coverages. Medical payments coverage is optional.

What is the penalty for driving a work vehicle without insurance in Idaho?

A first offense under Idaho Code 49-1229 is a $75 infraction. A second conviction within 5 years is a misdemeanor punishable by a fine of up to $1,000, up to 6 months in jail or both.

How much liability does a for-hire truck need inside Idaho?

Common and contract carriers of general property need $750,000 per accident under IDAPA 39.02.80, filed by the insurer on Form E, Form E-1 or W.C. 3091. Listed hazardous materials raise that to $1 million or $5 million.

Does a business hauling its own goods need the $750,000 filing?

No. Under IDAPA 39.02.80.020.05, private carriers need only the 25/50/15 minimum in Idaho Code 49-1229 unless they haul the listed hazardous cargoes. Contracts may still require more.

Do log and gravel trucks need an Idaho insurance filing?

Idaho Code 49-1233(4) exempts carriers of forest products and of sand, gravel and aggregates from the carrier filing, but they must still carry the 25/50/15 minimum.

When do trucks need chains in Idaho?

Only when ITD posts a requirement on Lookout Pass or Fourth of July Pass on I-90 or Lolo Pass on highway 12, under Idaho Code 49-948. Haulers of farm, forest and mine products are among the exempt vehicles.

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Sources (14)

Figures are published third-party estimates, not quotes. Coverage depends on policy terms and underwriting, and rules vary by state. Updated November 2026.