Private-Party Vehicle Title Transfer Requirements in New Mexico

At a glance

Requirements one by one

The endorsed title is the transfer instrument

New Mexico moves ownership through the certificate of title. Section 66-3-102 requires the owner to "endorse an assignment and warranty of title upon the certificate of title," list all liens or encumbrances, and "deliver the certificate of title to the purchaser or transferee at the time of delivering the vehicle." The title itself carries the spaces for that assignment and warranty and for releasing a lien (§ 66-3-10(E)-(F)). A certificate of title is "prima facie evidence of the ownership" (§ 66-3-12), so the assigned title, not a receipt, is what the buyer needs.

If the vehicle has co-owners joined by "and," each must sign. A recorded lien must be cleared before the new title issues: the lienholder can sign the release area on the title, use MVD Form 10041, or provide a notarized release on its letterhead.

Ordinary signatures are not notarized

New Mexico does not require a notary or witness for the ordinary title assignment. The statute governing total-loss conveyances confirms the point in the opposite direction — those documents "shall not require a notarized signature and may be signed electronically" (§ 66-3-10.1(C)). Notarization is reserved for a power of attorney signing on the owner's behalf and for a lien release given on a lienholder's letterhead.

A bill of sale is not the transfer instrument. Between individuals, MVD's Bill of Sale (Form MVD-10009) is used mainly to complete the transfer "when the assignment on the reverse side is incomplete" or there is no room left on the title. It records the year, make, VIN, sale price, and each party's name, address, and signature — but the endorsed title and the buyer's MVD application still control.

Odometer disclosure rides the transfer document

Section 66-3-101(A) says "the person making the transfer shall sign and shall record on the document evidencing the transfer of the vehicle the actual mileage of the vehicle as indicated by the vehicle's odometer at the time of the transfer." MVD requires an odometer statement on every title transaction except off-highway vehicles, and it may sit on the title assignment, the bill of sale, Form 10009, or the Form 10001 application. The federal odometer rule exempts older vehicles by age; salvage or nonrepairable branding is a separate process under § 66-3-10.1 and is outside an ordinary transfer.

Plate stays with the seller; the record gets marked

Under § 66-3-101(A)-(B), New Mexico is a plate-to-owner state. On a sale the "registration of the vehicle shall expire," and the previous owner must notify the division of the sale, its date, and the buyer's name, address, and vehicle description (§ 66-3-101(A)). The seller "shall remove and retain the registration plate." Under § 66-3-104(B), the seller has 30 days to reassign it to another vehicle of the same class or surrender it to be destroyed. You can mark the vehicle sold through MyMVD or file the Notice of Vehicle Sold (Form 10048). That notice updates the record; it is not itself the transfer of ownership.

The buyer's clock and costs

The buyer must apply before driving and within 30 days of the sale. Section 66-3-103(A) says the transferee, "before operating or permitting the operation of the vehicle," shall present the assigned title and apply for a new title and registration, and § 66-3-107(A) fixes the 30-day window from the date of sale. The application (Form 10001) needs proof of a New Mexico residence address (§ 66-3-4(A)), any lienholder information, an insurance affirmation, and the fees. New Mexico charges a 4% motor vehicle excise tax on "the price paid for the vehicle," with trade-in allowances deductible (§§ 7-14-3, 7-14-4).

Inspection, insurance, and driving

A vehicle already titled in New Mexico needs no VIN inspection; § 66-3-4(A)-(B) limits that step to a vehicle previously registered in another state. Emissions testing is required only for vehicles registered or commuting in Bernalillo County under the program implemented through § 66-3-7.1(A). Registration requires an affirmation of financial responsibility under the Mandatory Financial Responsibility Act, with minimum coverage of $25,000 per person, $50,000 per accident, and $10,000 for property damage. Because the registration expired on the sale and § 66-3-103(A) bars operating before applying, the buyer cannot lawfully drive the car home on the seller's plate.

Late filing and rejection

Missing the 30-day window subjects the buyer to a $20 penalty (§ 66-3-107(E)) and is a penalty assessment misdemeanor (§ 66-3-103(B)). Driving on the expired registration adds a penalty of the greater of $10 or, after 31 days, 75% of the registration fee, and the vehicle can be seized (§ 66-3-19(E)). MVD rejects an application that is missing a lien release, a signature, or that shows alterations or discrepancies, and gives a 10-day window to cure (Form 10282).

What trips people up

• Driving away on the seller's plate. The plate stays with the seller and the registration expires at the sale, so the buyer needs a title-and- registration application (and, in practice, a plate) before driving.
• Treating a bill of sale as the title. MVD's bill of sale mainly fills a gap when the title's assignment area is incomplete; the endorsed title is what transfers the car.
• Forgetting the seller's notice. Marking the vehicle sold with MVD does not complete the buyer's transfer, but skipping it leaves the sale unrecorded on the seller's account.
• Overlooking the excise tax. The 4% motor vehicle excise tax is charged on the price paid, not a separate sales tax; trade-in allowances reduce the base.

Common questions

Does a New Mexico bill of sale transfer the car by itself? No. Section 66-3-102 ties the transfer to the endorsed, delivered title. MVD's bill of sale is used mainly to complete a transfer when the title's assignment area is incomplete.

Do the title signatures need to be notarized? Not for the ordinary assignment. Notarization is needed only for a power of attorney signing for the owner or a lien release given on a lienholder's letterhead.

How much is the tax on a private used-car purchase? A 4% motor vehicle excise tax on the price paid, with trade-in allowances deductible (§ 7-14-4). It is a distinct excise tax, not the general sales tax.

Can I keep my old plate for my next car? Yes. New Mexico assigns the plate to the owner. You remove and keep it and have 30 days to move it to another vehicle of the same class or surrender it.

Statutes and sources

• NMSA 1978 § 66-3-102 — owner endorses assignment and warranty of title and delivers it to the buyer. https://nmonesource.com/nmos/nmsa/en/item/4422/index.do (accessed 2026-07-23)
• NMSA 1978 § 66-3-10 / § 66-3-10.1(C) — title contents and lien-release space; no notarized signature required for a conveyance. https://nmonesource.com/nmos/nmsa/en/item/4422/index.do (accessed 2026-07-23)
• NMSA 1978 §§ 66-3-101, 66-3-104 — registration expires on transfer, seller notice, odometer recordation, and plate-to-owner removal within 30 days. https://nmonesource.com/nmos/nmsa/en/item/4422/index.do (accessed 2026-07-23)
• NMSA 1978 §§ 66-3-103, 66-3-107 — buyer's duty to apply before driving and within 30 days, and the penalties. https://nmonesource.com/nmos/nmsa/en/item/4422/index.do (accessed 2026-07-23)
• NMSA 1978 § 66-3-19(E) — expired-registration penalty and seizure. https://nmonesource.com/nmos/nmsa/en/item/4422/index.do (accessed 2026-07-23)
• NMSA 1978 §§ 7-14-3, 7-14-4 — motor vehicle excise tax, imposed on the sale/title issuance at a rate of four percent of the price paid. https://nmonesource.com/nmos/nmsa/en/item/4340/index.do (accessed 2026-07-23)
• New Mexico MVD — Title and Registration of Used Vehicles (Chapter 4) — bill of sale, odometer, lien release, plate-to-owner process, insurance affirmation, MFRA minimums, and Bernalillo County emissions. https://www.mvd.newmexico.gov/chapter-4-title-and-registration-used-vehicles/ (accessed 2026-07-23)