Statute of limitations on debt in New Mexico

6 years to sue on a written contract and 4 years on an open account.

Short answer

In New Mexico, a creditor or debt collector has 6 years to sue on a written contract and 4 years to sue on an open account or unwritten agreement. Think twice before paying on an old debt in New Mexico: Yes. A payment, or a signed admission or new promise to pay, can restart the time limit (NMSA 1978, § 37-1-16, as described in 12.2.12.9 NMAC). Collectors must also warn you about old debts: Before collecting or seeking a payment or acknowledgment on a debt it knows or should know is time-barred, any debt collector (including the original lender) must give a plain-language notice that begins: 'We are required by New Mexico Attorney General rule to notify you of the following information.

Written contracts
6 years
Open accounts and unwritten agreements
4 years
Can a payment restart the clock?
Yes, it can
Notice that a debt is too old?
Yes

Time limits to sue in New Mexico

Law
NMSA 1978, § 37-1-3 (written contracts, 6 years); § 37-1-4 (unwritten contracts and accounts, 4 years); § 37-1-16; 12.2.12.7(H) NMAC
Official text
Read the law

22 of the 48 states we cover use 6 years, the most common limit. Next door: 6 years in Arizona, 6 years in Colorado, 5 years in Oklahoma and 4 years in Texas.

More New Mexico rules on old debts

  • New Mexico's time-barred debt disclosure rule applies to original creditors too, not only collection agencies (12.2.12.7(D) NMAC).
  • Every debt collector, including the original lender, must check in good faith whether a debt is too old to sue on. (12.2.12.8 NMAC)
  • Before collecting a time-barred debt or asking you to acknowledge it, a collector must tell you the debt may be too old to sue on, that you can't be forced to pay it through a lawsuit, and that a payment or signed promise can restart the time limit. If the collector contacts you in Spanish or another language, the notice must be in that language too. (12.2.12.9 NMAC)

Must a collector say a debt is too old in New Mexico?

Yes. Before collecting or seeking a payment or acknowledgment on a debt it knows or should know is time-barred, any debt collector (including the original lender) must give a plain-language notice that begins: 'We are required by New Mexico Attorney General rule to notify you of the following information. This information is not legal advice.' In letters it must be on the front page; it must be in the same language as the demand. (12.2.12.9 NMAC)

Does paying restart the time limit in New Mexico?

Yes. A payment, or a signed admission or new promise to pay, can restart the time limit (NMSA 1978, § 37-1-16, as described in 12.2.12.9 NMAC).

Is my debt too old? Check New Mexico's time limit

New Mexico: 6 years for a written contractEnter the date of your last payment to see when the time limit ends.

If you are sued on an old debt in New Mexico

Raise the time limit in your answer. Time to answer in New Mexico: Magistrate or Metropolitan Court: file an answer within 20 days after the summons is served on you (form 4-204). District Court: file a written response within 30 days after you are served (form 4-206).

If you do not respond in writing, the court may enter judgment against you as requested in the lawsuit.

What to do if you are sued in New Mexico

Steps for an old debt in New Mexico

  1. Match the debt to the right limit

    New Mexico gives 6 years for written contracts and 4 years for open accounts. Not sure which a credit card is? Try both in the checker.

  2. Don't pay or sign yet

    In New Mexico: Yes. A payment, or a signed admission or new promise to pay, can restart the time limit (NMSA 1978, § 37-1-16, as described in 12.2.12.9 NMAC).

  3. Dispute the debt in writing

    A dispute letter sent within 30 days of the validation notice makes the collector verify the debt.

  4. Check the collector's license

    Collectors need a license from New Mexico Regulation and Licensing Department, Financial Institutions Division (FID); ask the collector for its number.

  5. Report a collector who sues on an old debt

    Report it to New Mexico RLD Financial Institutions Division (for licensed collection agencies); the New Mexico Department of Justice also takes consumer complaints and to the CFPB at consumerfinance.gov/complaint.

Old debts under federal law

A collector may not sue or threaten to sue on a time-barred debt (12 CFR 1006.26(b)). A collection can stay on your credit report up to 7 years, counted from 180 days after the first missed payment (15 U.S.C. 1681c). Read the time-barred debt guide.

Where to get free help in New Mexico

Questions about old debts in New Mexico

When does a debt become too old to sue on in New Mexico?

6 years for written contracts and 4 years for open accounts and unwritten agreements (NMSA 1978, § 37-1-3 (written contracts, 6 years); § 37-1-4 (unwritten contracts and accounts, 4 years); § 37-1-16; 12.2.12.7(H) NMAC).

Does paying on an old debt restart the clock in New Mexico?

Yes. A payment, or a signed admission or new promise to pay, can restart the time limit (NMSA 1978, § 37-1-16, as described in 12.2.12.9 NMAC).

Does New Mexico require a notice on time-barred debts?

Yes. Before collecting or seeking a payment or acknowledgment on a debt it knows or should know is time-barred, any debt collector (including the original lender) must give a plain-language notice that begins: 'We are required by New Mexico Attorney General rule to notify you of the following information. This information is not legal advice.' In letters it must be on the front page; it must be in the same language as the demand. (12.2.12.9 NMAC)

How long can a collector sue on an open account or credit card in New Mexico?

For open accounts and unwritten agreements, New Mexico's limit is 4 years (NMSA 1978, § 37-1-3 (written contracts, 6 years); § 37-1-4 (unwritten contracts and accounts, 4 years); § 37-1-16; 12.2.12.7(H) NMAC).

Keep reading about New Mexico

Sources

Last checked: Oct 24, 2026.

Federal sources