My curiosity about common-law marriage in mexico started with a blog post from Rebecca, who writes San Pedro Scoop in Belize.
Like many people, Rebecca has lived with her partner for years. Under Belizean law, that means she is considered to be in a common-law union. No wedding, no ring, no uncomfortable seating chart. Legally, however, the relationship counts.
That made me wonder what happens here in Mexico.
Mexico does recognize long-term unmarried couples, although it doesn’t call the relationship a common-law marriage. The official term is concubinato.
And yes, we need to talk about that word.
To English-speaking ears, concubinato sounds uncomfortably close to “concubine,” a word generally associated with mistresses, emperors and women occupying a distinctly lower rung in the household. The similarity is not a coincidence. Both words come from the same Latin roots.
In modern Mexican law, however, concubinato is a neutral legal term. It simply describes a committed couple living together without being legally married. The partners are called a concubina or concubinario, depending on gender. Quintana Roo law now defines the relationship as a union between two people, so it applies to same-sex couples as well.
The Spanish may sound scandalous. The legal concept is considerably less exciting.
When Does Living Together Become Concubinato?
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Family law varies by state, so the answer depends on where you live. Here in Quintana Roo, the Civil Code generally recognizes concubinato when two people:
- Have lived together continuously as a couple for at least two years
- Are both legally free to marry
- Share a stable and permanent relationship
The two-year requirement may be waived if the couple has a child together.
You don’t need a ceremony or marriage certificate. You also don’t receive a cheerful notice from the government on your second anniversary informing you that your relationship has been upgraded.
The relationship exists because of the way you have been living. That is also where the complications begin.
A married person can prove the relationship with a certificate. An unmarried partner may need leases, utility bills, shared addresses, bank records, beneficiary forms, birth certificates or statements from people who know the couple.
In other words, you may have legal rights and still face the nuisance and expense of proving them.
Does This Apply To Expats?
Yes. Temporary residents, permanent residents and Mexican citizens can all form a legally recognized concubinato in Quintana Roo. The civil rights created by the relationship do not depend on both partners being Mexican.
This means the law may apply when:
- Both partners are foreign residents
- One is Mexican and the other is foreign
- One holds permanent residency and the other is a temporary resident
- The couple is made up of two temporary residents
Residency and relationship status are separate issues. Living with a Mexican citizen does not automatically turn a foreign partner into a Mexican resident. It does, however, provide a possible route to residency through family unity.
Mexico’s Migration Law recognizes spouses, concubinas, concubinarios and equivalent partners for family-unity applications. The foreign partner must still apply through the Instituto Nacional de Migración and provide acceptable proof of the relationship.
The residency granted will depend on the status of the sponsoring partner and the circumstances of the application. A qualifying relationship with a Mexican citizen or permanent resident can eventually lead to permanent residency, usually after the foreign partner has held temporary residency through family unity for the required period.
If both people are foreign temporary residents, family unity may allow one partner to obtain temporary residency connected to the other’s authorized stay.
None of this happens automatically. Nor does concubinato grant Mexican citizenship, immediate permission to work or the right to own restricted coastal property without the usual fideicomiso requirements.
Do You Automatically Own Half Of Everything?
No. This may be the biggest misconception surrounding common-law relationships in Mexico. Living together for two years does not suddenly place half the condo, car or bank account in your partner’s hands.
Property generally remains with the person whose name appears on the deed, trust, account or purchase agreement. If you buy something together, both names should be included in the paperwork.
A partner who gave up employment to manage the household, care for children or support the other person’s career may be able to seek financial compensation after a separation. That is not the same as automatically receiving half of the couple’s assets. It may require a legal claim and evidence of the contributions made during the relationship.
For expat couples buying property in the Riviera Maya, the names appearing on the escritura or fideicomiso matter very much.
What Happens If One Partner Dies?
A surviving concubina or concubinario may have inheritance rights under Quintana Roo law, including when the deceased did not leave a will.
That sounds reassuring, but it can become messy very quickly. The surviving partner may have to establish the relationship while dealing with children, former spouses or relatives who have their own ideas about who should inherit.
The same problem can arise with pensions. IMSS recognizes unmarried partners as possible recipients of a survivor’s pension, but the relationship must be proven and the deceased must have met the program’s contribution requirements.
US and Canadian pensions, insurance policies, investment accounts and retirement plans follow their own rules. A relationship recognized in Mexico will not necessarily override a beneficiary designation in another country.
A Mexican will is still far safer than assuming everything will sort itself out. Couples should also review the beneficiaries named on bank accounts, insurance policies and retirement plans in every country where they hold assets.
What About Medical Decisions?
A recognized partner may be treated as family, but relying on an undocumented relationship during a medical emergency is not ideal.
Hospitals and government offices may ask for proof before allowing a partner to make decisions, obtain information or handle paperwork. Appropriate powers of attorney, medical instructions and current emergency contacts can remove a great deal of uncertainty.
Both partners should know where to find passports, residency cards, insurance information, property documents and wills. Romance may be spontaneous. Emergency administration rarely is.
A Few Documents Can Prevent A Large Mess
Mexico does offer meaningful protection to unmarried couples. Concubinato can affect inheritance, financial support, pensions and immigration applications.
It does not automatically combine your property, change your residency status or replace every protection provided by marriage.
For couples who have built a life together without marrying, the sensible checklist is fairly short:
- Prepare or update Mexican wills
- Check beneficiary designations
- Confirm how property is titled
- Document important joint purchases
- Arrange suitable powers of attorney
- Keep evidence showing that you share a home
- Get professional advice if you have assets in more than one country
So, could you be considered “married” after living together in Mexico? Not exactly. But you may be in a legally recognized relationship with more rights and responsibilities than you realized.
Just don’t expect the English translation of concubina to sound nearly as respectable as the Mexican law intends.
*This article provides general information about the law in Quintana Roo and should not replace advice from a qualified Mexican attorney or notary familiar with your circumstances.
