Yes—you can seek multi-month U.S. coverage for your Mexican-plated car, but you need a policy written for your work stay and where the car will be kept, not just a short visitor extension.
“I am on a TN visa and bringing my Mexican car to the US for several months. My current insurance only covers third-party liability in the US for one month. Is there a way to buy US car insurance for a Mexican-plated car, and how do people usually handle this?”
Resumen
You are not limited to the single month on your present policy: an insurer advertises a multi-month product specifically for Mexican-plated cars during temporary U.S. work stays. The hard part is making sure the policy accepts where you actually live and keep the car—and that your state permits your registration arrangement.
The workable route depends on whether the car can remain Mexican-registered where you will work and whether an insurer accepts where you live and keep it.
National Unity advertises coverage for Mexican-plated vehicles belonging to temporary U.S. residents here for work, in 1-, 3-, 6-, 9- and 12-month periods. Sanborn’s directs people staying over 28 consecutive days to an agent for its temporary-resident coverage. Request that specific product and disclose your U.S. address and location, rather than buying an ordinary visitor quote. [National Unity](https://www.nationalunity.com/personal.asp) · [Sanborn’s](https://www.sanborns.com/es-us/seguros-para-usa)
This is an alternative **only if its residence and vehicle-location terms actually fit you**. New Horizon offers U.S. policies for Mexican private vehicles, but its published Mexico-resident specimen requires at least 270 days of annual residence in Mexico and the car to be mainly garaged and used outside the U.S. A several-month U.S. work stay does not, by itself, prove you qualify. [New Horizon products](https://www.nhseguros.com/nuestros_productos.php?lang=en) · [Policy specimen](https://services.nhseguros.com/downloadfile?f=documentmanager%2F52%2Fe23f3adc-60a1-4ef6-81ed-f7c2070bbfcb.pdf)
If you accept work or establish residency in California, address its 20-day registration rule rather than assuming Mexican plates remain sufficient for several months. California will not register an imported vehicle that cannot meet the applicable safety and emissions standards; if yours cannot qualify, you need another registrable vehicle rather than insurance alone. Rules for an unspecified other state remain unresolved. [California Vehicle Code §6700](https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?sectionNum=6700.&lawCode=VEH) · [California DMV](https://www.dmv.ca.gov/portal/handbook/vehicle-industry-registration-procedures-manual-2/nonresident-vehicles/direct-import-vehicles/)
A broker’s 28-day sales threshold and a federal one-year import provision are different rules; neither by itself decides your state registration or insurance obligations.
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Watch out for
Próximos pasos
Take these steps before your existing month of U.S. coverage ends so the car, the driver and the policy all fit the same arrangement.
Before assuming the plates can stay
Set the registration plan for where you will work
If your work is in California, Vehicle Code §6700 says an application to register is due within 20 days after accepting gainful employment there or establishing residency there, whichever comes first. California will not register a direct-import vehicle that cannot be converted to meet applicable U.S. safety and U.S. or California emissions standards. The federal nonresident personal-use import provision is conditional and lasts no more than one year; it is not a blanket TN-visa exemption. The destination state was not supplied, so no other state’s registration deadline can responsibly be assigned here. [California law](https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?sectionNum=6700.&lawCode=VEH) · [California DMV](https://www.dmv.ca.gov/portal/handbook/vehicle-industry-registration-procedures-manual-2/nonresident-vehicles/direct-import-vehicles/) · [49 CFR 591.5(d)](https://www.ecfr.gov/current/title-49/subtitle-B/chapter-V/part-591/section-591.5)
Requisitos
Before the current policy expires
Request the temporary-resident work policy
Ask Sanborn’s specifically for its temporary-U.S.-resident coverage for a Mexican-plated car during a work stay, rather than its ordinary online visitor quote: https://www.sanborns.com/es-us/seguros-para-usa; service@sanborns.com; (956) 686-3601. National Unity advertises 1-, 3-, 6-, 9- and 12-month periods. Tell the agent if the car will be principally kept in the U.S.; obtain the written terms and price for that arrangement. Sanborn’s says stays exceeding 28 consecutive days go through an agent. [Sanborn’s](https://www.sanborns.com/es-us/seguros-para-usa) · [National Unity](https://www.nationalunity.com/personal.asp)
Requisitos
Before paying
Match the coverage to your state and car
For California, obtain at least 30/60/15 liability coverage; for Texas, at least 30/60/25. These numbers are thousands of dollars per person injured, per accident for injuries, and per accident for property damage. If the quote only provides , request a separate price and written terms for damage to your own car if you want that protection. No individual premium can be stated without an actual quote. [California DMV](https://www.dmv.ca.gov/portal/vehicle-registration/insurance-requirements) · [Texas Department of Insurance](https://www.tdi.texas.gov/pubs/consumer/cb020.html)
Requisitos
Before the one-month policy ends
Start the policy without a coverage gap
Set the new effective date no later than the end of your current U.S. coverage and retain the issued proof in the car. California explicitly requires evidence of insurance to be carried in a vehicle operated on its roads. Do not treat a quote alone as issued coverage. [California DMV](https://www.dmv.ca.gov/portal/vehicle-registration/insurance-requirements)
Requisitos
Fuentes legales
The answer draws on California and Texas regulators, the federal vehicle-import regulation, and the insurers’ own product and policy text.
National Unity temporary-resident auto product
National Unity expressly describes a product for temporary U.S. residents here for work.
This policy is designed for temporary residents in the United States, it can be for study purpose or work-related.
National Unity temporary-resident auto product
The advertised temporary-resident product is for Mexican-plated vehicles.
Vehicle must have Mexican license plates.
National Unity temporary-resident auto product
The issuer advertises several policy durations long enough for a multi-month stay.
It is available for periods of 1, 3, 6, 9, and 12 months.
Sanborn’s U.S. insurance sales instructions
Sanborn’s routes longer stays to an agent for its temporary-U.S.-resident coverage.
Si va a permanecer dentro de los Estados Unidos por más de 28 días consecutivos necesitará la cobertura de residente temporal en los Estados Unidos, por favor, contacte a uno de nuestros agentes Sanborn’s que con gusto cotizará la cobertura que necesita para su estancia en este país.
National Unity online quote conditions
The ordinary online National Unity quote describes a narrower Mexico-resident customer, so it should not be assumed to fit a U.S.-based worker.
The NATIONAL UNITY INSURANCE policy covers third party damages (liability) while the insured vehicle is circulating within the United States or Canada, has Mexican license plates and whose owner permanently resides in Mexico.
New Horizon vehicle insurance products
A U.S.-domestic insurer also advertises policies for Mexican vehicles, although its specific contract terms must fit the driver.
We offer tailored policies for Mexican private vehicles and motorcycles in the U.S.:
New Horizon Auto Liability for Mexico Resident Automobile
This particular insurer’s published Mexico-resident policy has a substantial Mexico-residence condition.
page 1
For purposes of this coverage, named insured must spend at least 270 days of annual residence in Mexico.
New Horizon Auto Liability for Mexico Resident Automobile
The specimen visitor contract also limits where the insured car is principally kept and used.
page 1
The insured auto must be mainly garaged and used outside of the United States of America.
Texas Department of Insurance, Auto insurance guide
Texas’s required liability minimum is 30/60/25.
Texas law requires you to have at least $30,000 of coverage for injuries per person, up to a total of $60,000 per accident, and $25,000 of coverage for property damage. This is called 30/60/25 coverage.
Texas Department of Insurance, Auto insurance guide
Liability coverage pays for others’ losses when you are at fault, not repairs to your own car.
Liability insurance pays to repair or replace the other driver’s car, or other damaged property, and pays other people’s medical expenses when you’re at fault in an accident.
California DMV insurance requirements
California requires at least $30,000 for one person’s injury or death.
$30,000 for injury/death to one person.
California DMV insurance requirements
California requires at least $60,000 for injury or death of multiple people.
$60,000 for injury/death to more than one person.
California DMV insurance requirements
California requires at least $15,000 for property damage.
$15,000 for damage to property.
California Department of Insurance, 2025 minimum liability limits
The California insurance regulator dates the increase that makes older 15/30/5 listings obsolete.
Beginning January 1, 2025, as auto insurance policies come up for renewal throughout the year, all standard auto insurance policies in California will have higher minimum liability limits:
California Vehicle Code §6700(a)
California’s nonresident-vehicle provision sets a 20-day registration-application clock after accepting work or becoming a resident.
(a)
Application to register the vehicle shall be made within 20 days after gainful employment is accepted in this state or residency is established in this state.
California DMV, Direct Import Vehicles
California will not register an imported car that cannot meet its applicable vehicle standards.
Vehicles that cannot be converted to comply with U.S. safety and U.S. and/or California emission standards cannot be registered for on-highway or off-highway use.
49 CFR 591.5(d)(1)
The federal temporary-import provision first requires nonresident status and foreign vehicle registration.
(d)(1)
( 1 ) (S)he is a nonresident of the United States and the vehicle is registered in a country other than the United States,
49 CFR 591.5(d)(2)
The cited federal exception is for temporary personal use lasting at most one year, not an unrestricted stay.
(d)(2)
( 2 ) (S)he is temporarily importing the vehicle for personal use for a period not to exceed one year, and will not sell it during that time,
49 CFR 591.5(d)(3)
The federal temporary-import exception also requires export within one year.
(d)(3)
( 3 ) (S)he will export it not later than the end of one year after entry, and
California DMV insurance requirements
California drivers must keep proof of insurance in the vehicle.
You must carry evidence of insurance in your vehicle at all times and it must be provided when:
These are the official rules and issuer terms reflected in the cited publications and effective dates; rules and policy offerings can change.
This is general information about official processes, not legal advice, and SettleKit is not a law firm.
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