Marital Property Regimes in Brazil: The 4 Types, Explained

Attorney’s Quick Answer

Brazil recognizes four marital property regimes. If you marry without choosing one, you get the default — partial communion of property (comunhão parcial de bens), where what you build together during the marriage is shared, while what each spouse brought in, or later inherits, stays separate. To pick a different regime you sign a prenuptial agreement (pacto antenupcial) at a notary before the wedding. The regime you choose decides not only how assets split in a divorce, but also what your spouse is entitled to when you die — so it sits at the center of both your marriage and your estate plan.

Reviewed by Luciano Oliveira, Esq., LL.M. — attorney admitted in Brazil, Texas, and California. Last reviewed: July 2026.

General legal information, not legal advice, and no attorney-client relationship is created by reading it. The right regime depends on your assets, family, and country ties; confirm your situation with counsel before you marry or sign.

The four regimes at a glance

Regime	What is shared	What stays separate	Prenup?
Partial communion Comunhão parcial (default)	Assets acquired together during the marriage	Pre-marriage assets; gifts and inheritance	No — automatic
Universal communion Comunhão universal	Almost everything, before and during the marriage	Only assets a gift or will keeps expressly exclusive	Yes
Separation of property Separação de bens	Nothing — finances stay independent	Each spouse keeps and manages their own	Yes (or imposed in some cases)
Final participation Participação final nos aquestos	Only the growth in acquisitions, split at dissolution	Each spouse manages independently during the marriage	Yes

If you are a US citizen considering marriage in Brazil, it’s important to understand the country’s matrimonial property regimes. These regimes determine how assets are divided between spouses during the marriage and in the event of a divorce. Here’s an easy-to-understand guide to help you navigate these options.

Types of Matrimonial Property Regimes

1. Partial Communion of Property (Comunhão Parcial de Bens)

This is the default regime in Brazil if no other agreement is made. In this regime:

Shared Assets: Any property acquired by either spouse during the marriage is considered joint property, regardless of whose name is on the title or who paid for it.
Individual Assets: Assets acquired before the marriage and those received as gifts or inheritance during the marriage remain the individual property of the original owner.

This regime aims to ensure fairness by sharing the fruits of the marriage equally between both partners.

2. Universal Communion of Property (Comunhão Universal de Bens)

Under this regime, all assets owned by either spouse before the marriage and any assets acquired during the marriage are considered joint property. This means:

Shared Assets: Everything, including assets acquired prior to the marriage, is owned jointly by both spouses.
Exceptions: Specific exclusions can be made if a gift or inheritance explicitly states that it is to remain the property of only one spouse.

Choosing this regime requires a formal prenuptial agreement.

3. Separation of Property (Separação de Bens)

This regime must be chosen explicitly, except in certain cases where the law imposes it — for example, for spouses over 70 (though, since a 2024 Supreme Court decision, couples over 70 may now waive that mandatory separation by mutual agreement through a public deed). Under this regime:

Individual Ownership: Each spouse retains ownership of their own property, both those acquired before and during the marriage.
Flexibility: Spouses can manage and dispose of their assets independently without requiring consent from the other.

This regime provides a clear division of property and is often preferred for those who wish to keep their financial affairs completely separate.

4. Final Participation in Acquisitions (Participação Final nos Aquestos)

This lesser-known regime combines elements of separation and communion.

During the marriage, each spouse owns their property individually. However, upon dissolution of the marriage:

Shared Assets: The increase in value of any property acquired during the marriage is divided equally.
Individual Management: Spouses can freely acquire and manage their property during the marriage.

This regime can be useful for couples who want independence during the marriage but fairness upon its dissolution.

Which regime is right for you?

There is no single best answer — it depends on what you own, whether you have children from a prior relationship, whether either spouse owns a business, and where your assets and future ties sit. As a rough guide: the default partial communion works for most first marriages; separation of property protects a business or pre-existing wealth and simplifies second marriages; universal communion suits couples who want to pool everything; and final participation is for those who want independence with a fair split at the end. Because the choice is hard to undo, it is worth a short conversation before you commit.

How to Choose and Formalize a Regime

To select a property regime other than the default partial communion, you need to:

Discuss Options: Talk with your partner about which regime best suits your needs and circumstances.
Prenuptial Agreement: If choosing a regime other than the default, you must formalize your choice with a prenuptial agreement. This agreement must be signed before the marriage and registered with a notary public.

Legal Advice: Consider consulting a lawyer to ensure all legal formalities are properly handled and your agreement is enforceable.

The prenuptial agreement (pacto antenupcial)

Any regime other than the default is chosen through a prenuptial agreement, executed by public deed at a notary before the wedding. There are limits on what it can contain — it can set your property regime and related financial arrangements, but it cannot, for example, waive child support or include terms against the law or public policy. A foreign (for example, US) prenup can be recognized in Brazil, but usually needs an apostille, a sworn Portuguese translation, and often registration to bind Brazilian real estate — and for Brazil-situated property, a Brazilian pacto is frequently the safer route. For the full detail, including cost, timing, and documents, see our dedicated guide to prenuptial agreements in Brazil.

Changing your regime after marriage

Already married and want to switch? It is possible, but not automatic: for a marriage, changing your regime requires a court petition, with both spouses’ consent, good cause, and protection of creditors and third parties. (For a stable union, a change can often be done at a notary without a judge.) A broad Civil Code reform under discussion may ease this further, but it is not yet law — so treat a change as a lawyer-assisted process and confirm the current rule before relying on it.

Living together without marrying? União estável

Many foreign couples in Brazil are in a stable union (união estável) without realizing it carries nearly the same property and inheritance consequences as marriage — and it defaults to the same partial communion, even if never registered. If you live together here, this matters as much as the regime you would choose for a marriage. See our full guide to união estável in Brazil for how it works and how to protect your assets.

Selling or mortgaging property? You may need your spouse’s consent

A point that catches foreign owners off guard: in most regimes, a married person cannot sell or mortgage real estate without the other spouse’s consent (outorga conjugal) — even if only one name is on the title. The main exception is the conventional full-separation regime, where each spouse can act alone. It is one more reason the regime you choose has practical, day-to-day consequences.

Are you responsible for your spouse’s debts?

Broadly, debts taken on for the benefit of the family can reach shared assets, while purely personal debts are meant to stay with the spouse who incurred them — but how cleanly that line holds depends on your regime and the facts. Separation of property gives the clearest shield; communion regimes blur it. If either of you carries business or personal debt, factor it into the regime decision.

Married abroad, or with a foreign prenup?

If you married outside Brazil, which regime governs your assets here is a private-international-law question — it generally follows the law of the couple’s first marital domicile, and a foreign prenuptial agreement may be recognized if it does not conflict with Brazilian public policy. Before any of it takes effect for Brazilian property or probate, the marriage itself usually has to be recognized in Brazil. See how to have a foreign marriage recognized in Brazil and, if relevant, recognition of a foreign divorce. Marriage to a Brazilian can also open a faster route to citizenship.

US–Brazil couples: how your regime travels

For couples tied to the United States, two things are worth knowing. First, moving to Brazil does not automatically switch you into the Brazilian default — Brazilian law generally freezes your regime to the law of your first marital home, so the regime you started under tends to travel with you. Second, Brazil’s 50/50 sharing is conceptually close to community-property states like California and Texas, and further from the “equitable distribution” of most other US states — but the details diverge (for instance, income from separate property is treated differently in California than in Texas or Brazil). For a couple with assets or history in both countries, those seams are exactly where planning pays off. With admissions in Brazil, Texas, and California, we map both systems together.

Your regime also decides what your spouse inherits

The property regime does more than govern divorce — it interacts with Brazil’s forced-heirship rules to determine what a surviving spouse receives on death, and how the estate is split among heirs. A regime that looks convenient for the marriage can produce an unexpected result in probate. If you own property in Brazil, coordinate the regime with your estate plan: see inheritance tax and how estates pass in Brazil and estate planning for families with assets in Brazil and abroad. Buying a home together? The regime should be settled first — see buying property in Brazil as a couple.

Conclusion

Understanding the different matrimonial property regimes in Brazil is essential for US citizens planning to marry there. Whether you prefer sharing everything equally, maintaining complete financial independence, or a combination of both, Brazil offers a regime to suit your needs. Make sure to discuss your options with your partner and consult legal professionals to ensure your interests are protected.

How Oliveira Lawyers can help

Choosing a regime, drafting or reviewing a prenuptial agreement, recognizing a foreign marriage, changing a regime after marriage, or aligning all of it with your estate plan — we handle it for foreign and binational couples, and can do most of it remotely under a power of attorney. Every couple’s situation is different; a short consultation confirms the regime that actually protects you.

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Frequently asked questions

What is the default marriage property regime in Brazil?

Partial communion of property (comunhão parcial de bens). It applies automatically if you do not sign a prenuptial agreement choosing another regime.

What are the four marital property regimes in Brazil?

Partial communion, universal communion, separation of property, and final participation in acquisitions.

Do I need a prenuptial agreement?

Only if you want a regime other than the default partial communion. Any of the other three must be chosen by a prenuptial agreement signed before the wedding at a notary.

Can I change my property regime after marriage?

Yes, but not automatically — for a marriage it requires a court petition with good cause, protecting creditors and third parties. For a stable union it can often be done at a notary.

If I paid for something myself, is it still split 50/50?

Under partial or universal communion, generally yes — what is acquired during the marriage is shared regardless of who paid or whose name is on it. Only a separation regime keeps purchases individual.

Do I need my spouse’s consent to sell property in Brazil?

Usually yes. In most regimes you cannot sell or mortgage real estate without the other spouse’s consent, even if only your name is on the title. Conventional full separation is the exception.

Are foreign assets included in a Brazilian divorce?

They can be brought into the split by value to balance the division, but a Brazilian court cannot directly divide real estate located abroad, and enforcement over foreign assets has practical limits. It is fact-specific.

I married abroad — which regime applies in Brazil?

Generally the law of the couple’s first marital domicile governs, and a foreign prenup may be recognized. The marriage itself usually must be recognized in Brazil first.

Is separation of property mandatory for older spouses?

The law imposes it in certain cases, including for spouses over 70 — but since a 2024 Supreme Court decision, couples over 70 may waive that mandatory separation by public deed.

Does the marriage regime affect inheritance?

Yes. The regime interacts with Brazil’s forced-heirship rules to determine what a surviving spouse inherits and how the estate divides.

General information only, not legal advice, and not a substitute for advice about your specific circumstances. Brazilian family-law rules and their application change; confirm the current position before you act.

Reviewed by Luciano Oliveira, Esq., LL.M. — admitted in Brazil, Texas, and California. Last reviewed July 2026.