The Direct Answer: California Does Not Recognize Common-Law Marriage
Let’s eliminate the ambiguity immediately: there is no common-law marriage in California. Not after 7 years. Not after 10 years. Not after 30 years. Not ever.
Under FC §300, marriage in California is a civil contract that requires two things: (1) a valid marriage license issued by a county clerk, and (2) a solemnization ceremony — meaning the marriage must be performed by an authorized person (a judge, clergy member, or other officiant) in the presence of witnesses. Without both of these elements, there is no legal marriage in California. Period.
It doesn’t matter how long you’ve lived together. It doesn’t matter if you share a last name, raise children together, own property jointly, or tell everyone you’re married. If you never obtained a license and had a ceremony, you are not married under California law — and you do not have the legal rights that come with marriage, including community property protections, automatic inheritance rights, or the right to spousal support.
FC §300 — “Marriage is a personal relation arising out of a civil contract between two persons, to which the consent of the parties capable of making that contract is necessary. Consent alone does not constitute marriage. Consent must be followed by the issuance of a license and solemnization.”
This is not a gray area. This is not subject to judicial interpretation. California abolished common-law marriage in 1895, and no subsequent legislation has restored it. The law on this point has been settled for more than 130 years.
Where Does the “7-Year Rule” Myth Come From?
If California hasn’t recognized common-law marriage since 1895, why does nearly everyone believe that living together for seven years creates a legal marriage? The myth persists because it feeds on multiple sources of confusion:
Other States Still Recognize Common-Law Marriage
Approximately eight states still permit the formation of common-law marriages, including Colorado, Iowa, Kansas, Montana, New Hampshire (for inheritance only), Oklahoma, Rhode Island, and Texas. In those states, couples who cohabit, hold themselves out as married, and intend to be married can establish a legally recognized marriage without a license or ceremony. Because people move between states frequently, the rules from one state get incorrectly applied to another.
IRS Filing Status Confusion
The IRS has its own rules about filing status that have nothing to do with state marriage law. Some people confuse federal tax treatment of dependents, head-of-household status, or benefits eligibility with marital status. The IRS does not create marriages — it recognizes marriages that are valid under state law. If your state doesn’t recognize your union as a marriage, the IRS won’t either.
The “Seven-Year Itch” and Pop Culture
The number seven has a cultural resonance around marriage — the “seven-year itch” is a well-known phrase about marital restlessness. This cultural association may have helped cement the false idea that seven years is a legally meaningful threshold. Combined with movies, television, and social media posts that repeat the myth without fact-checking, the “7-year rule” has taken on a life of its own.
Social Media Misinformation
Perhaps the biggest driver of the myth in recent years is social media, where legal claims spread without verification. Posts claiming that living together for a certain number of years creates a marriage get shared thousands of times. By the time anyone corrects the record, the misinformation has already shaped how people think about their own legal status.
Relying on the “7-year rule” or any version of the common-law marriage myth can have serious consequences. If you believe you are married but you are not, you may miss critical protections — including the right to community property division, spousal support, and automatic inheritance. If you are unsure about your legal status, consult a family law attorney immediately.
What About Common-Law Marriages From Other States?
Here is the important exception that many people miss: while California will not create a common-law marriage, it will recognize a valid common-law marriage that was lawfully established in another state.
Under FC §308, a marriage that is valid under the laws of the state or country where it was contracted is valid in California. This principle derives from the U.S. Constitution’s Full Faith and Credit Clause, which requires states to honor the legal proceedings and judgments of other states.
So if you and your partner lived in Colorado, met all of that state’s requirements for a common-law marriage (mutual agreement to be married, cohabitation, and holding yourselves out as married to the community), and then moved to California — you are still legally married. California treats your common-law marriage as fully valid. You have the same rights as any married couple in California, including community property rights, spousal support eligibility, and the requirement to obtain a divorce to legally end the marriage.
Proving an out-of-state common-law marriage can be challenging. There is no marriage certificate to present. You will need to provide evidence that the common-law marriage was validly formed under the other state’s specific requirements — which vary from state to state. This often involves testimony from witnesses, documentation of shared finances, joint tax returns filed as married, and other proof that you lived as a married couple in the originating state.
The reverse is also important to understand: you cannot establish a common-law marriage by temporarily visiting a state that recognizes them. Simply vacationing in Colorado for a week does not create a common-law marriage. You must have actually resided in that state and met all of its legal requirements while living there.
The Putative Spouse Doctrine: Good-Faith Belief in a Marriage
What happens if you genuinely, honestly believed you were legally married — but it turns out you were not? California law has a specific protection for this situation: the putative spouse doctrine.
Under FC §2251, if a person has a good-faith belief that they entered into a valid marriage, they may be declared a “putative spouse” and receive many of the same rights as a legal spouse — including a share of quasi-marital property (property that would have been community property if the marriage had been valid).
When Does the Putative Spouse Doctrine Apply?
The doctrine typically arises in situations like these:
- Defective ceremony — you had a wedding ceremony, but there was a technical problem with the license, the officiant was not authorized, or the paperwork was never filed properly
- Invalid prior divorce — your spouse was still legally married to someone else at the time of your ceremony, but you did not know this
- Fraud by the other partner — your partner told you the marriage was legal when it was not, or concealed a fact that rendered the marriage void
- Jurisdictional defect — you were married in another country under circumstances that did not satisfy California’s requirements, but you believed the marriage was valid
The putative spouse doctrine is not common-law marriage. It does not apply to couples who know they never had a ceremony or obtained a license. You must have genuinely believed, based on reasonable grounds, that you were legally married. Simply wishing you were married, or assuming cohabitation equals marriage, does not qualify. The good-faith belief must be objectively reasonable.
If the court finds putative spouse status, the “quasi-marital property” accumulated during the relationship is divided according to community property principles — just as it would be in a real divorce. The putative spouse may also be entitled to spousal support. This can be a critically important protection for someone who was deceived into believing they were married.
Marvin Claims: Property Rights for Unmarried Cohabitants
For couples who know they are not married but have lived together for years, the most important legal framework is the Marvin doctrine, established by the California Supreme Court in the landmark case Marvin v. Marvin (1976) 18 Cal.3d 660.
The Marvin decision held that unmarried cohabitants are not legal strangers. When two people live together in a relationship and make agreements — express or implied — about how to share property, income, or financial responsibilities, those agreements can be legally enforceable.
What a Marvin Claim Can Provide
- Property division — if the parties agreed (expressly or by implication) to share property acquired during the relationship, a court can enforce that agreement
- Support payments (“palimony”) — if one partner agreed to support the other financially, that promise may be enforceable even after the relationship ends
- Equitable remedies — courts can apply constructive trust, resulting trust, or quantum meruit principles to prevent one partner from being unjustly enriched at the other’s expense
The Critical Limitation: You Must Prove an Agreement
A Marvin claim is not based on marriage — it is based on contract law. To prevail, you must prove that an actual agreement existed between the parties about property sharing or support. This agreement can be express (written or oral) or implied (demonstrated by the parties’ conduct). But the mere fact of living together, standing alone, does not create any property rights.
In practice, Marvin claims are extremely difficult to win. Without a written agreement, proving the terms of an oral or implied contract is a heavy evidentiary burden. Courts are skeptical of vague claims that the parties “agreed to share everything.” The more specific and documented the agreement, the stronger the claim.
Unlike married couples, unmarried cohabitants do not owe each other fiduciary duties under FC §721. Spouses have a legal obligation to act in good faith with each other regarding community property. Unmarried partners have no such obligation. This means your partner can make financial decisions — including selling property or draining accounts — without any duty to consult you, unless a separate agreement exists.
“Living together is not the same as being married. Know your rights — or risk losing them entirely.”
How Cohabitation Affects Other Legal Matters
Even without marriage, living together can create legal implications across several areas of family law. Understanding these interactions is essential for anyone in a long-term cohabiting relationship.
Spousal Support and Cohabitation
If you are receiving spousal support from a prior marriage and you begin living with a new partner, FC §4323 creates a rebuttable presumption that your need for support has decreased. Your ex-spouse can file a motion to reduce or terminate alimony based on your cohabitation. This applies even if you are not married to or engaged to your new partner. For a comprehensive guide on this topic, see our article on cohabitation and alimony in California.
Child Custody and Paternity
Whether parents are married or unmarried has no impact on custody rights once paternity is established. An unmarried father who has established paternity — whether through a voluntary declaration or a court order — has the same custody and visitation rights as a married father. The court applies the same “best interests of the child” standard regardless of the parents’ marital status.
Property Ownership
Without marriage, there is no community property. Property acquired during cohabitation belongs to the person whose name is on the title. If only one partner’s name is on the deed to the house, that partner owns the house — regardless of how many mortgage payments the other partner contributed. This is one of the most significant legal differences between married and unmarried couples, and it is the area where the most financial harm occurs when cohabiting relationships end.
Domestic Partnership as an Alternative
California offers domestic partnership under FC §297 as a legal alternative to marriage. Registered domestic partners receive most of the same rights and protections as married spouses under California law, including community property rights, mutual support obligations, and the right to legal separation or dissolution proceedings. Domestic partnership is available to same-sex couples and to opposite-sex couples where at least one partner is over age 62 (or, as of 2020, to all couples regardless of age).
Registered domestic partnership requires affirmative registration with the California Secretary of State. Simply living together does not create a domestic partnership any more than it creates a marriage. You must actively opt in to receive these protections.
Protecting Yourself as an Unmarried Couple
If you are choosing not to marry, you need to be proactive about protecting yourself legally. Without marriage, you have none of the default protections that California law provides to spouses. Every protection must be created deliberately, in writing.
Written Cohabitation Agreements
The single most important step an unmarried couple can take is to create a cohabitation agreement — a written contract that spells out how property, income, debts, and expenses will be handled during the relationship and in the event of a separation. Think of it as a prenuptial agreement for unmarried couples. A well-drafted cohabitation agreement eliminates the need to litigate a Marvin claim later because the terms of the arrangement are already documented.
Property Titling
How you title property matters enormously. If both partners contribute to the purchase of a home, both names should be on the title. The form of title (joint tenancy, tenants in common, etc.) determines what happens to the property if the relationship ends or if one partner dies. Do not rely on informal understandings — get title right from the beginning.
Estate Planning
Without marriage, there are no automatic inheritance rights. If your partner dies without a will, you inherit nothing under California’s intestacy laws — everything goes to blood relatives. A comprehensive estate plan should include:
- Wills or living trusts — naming your partner as a beneficiary of your estate
- Beneficiary designations — updating life insurance policies, retirement accounts, and bank accounts to name your partner
- Advance health care directives — giving your partner the legal authority to make medical decisions for you if you are incapacitated (without this document, your partner has no legal standing)
- Durable power of attorney — authorizing your partner to manage your finances if you cannot
If you and your partner are not going to get married, at minimum you should have three documents: a cohabitation agreement, wills or trusts naming each other, and advance health care directives. Without these, your long-term partner has fewer legal rights than a distant cousin you have never met.
Consider Domestic Partnership Registration
If you want many of the legal protections of marriage without actually getting married, registering as domestic partners under FC §297 provides community property rights, mutual support obligations, and the ability to seek a formal dissolution if the relationship ends. It is the closest legal equivalent to marriage available to unmarried couples in California.
When You Need Legal Help
Most people don’t think about the legal implications of cohabitation until something goes wrong. If you find yourself in any of the following situations, you should consult a family law attorney:
- You are separating after a long cohabitation — if you and your partner acquired significant assets during the relationship (a home, retirement savings, a business), the division of those assets will not follow community property rules. You need legal counsel to protect your interest, whether through a Marvin claim or negotiation.
- There is a dispute over property — your name is not on the title, but you contributed money toward the purchase or upkeep of the property. Or your partner claims ownership of assets you believe are shared. A family law attorney can evaluate whether you have an enforceable claim.
- Your partner claims you had an “agreement” — if your former partner is asserting a Marvin claim against you, alleging that you agreed to share property or provide support, you need to respond with legal representation. These claims can result in significant financial judgments.
- You believed you were married but may not be — if there is any question about whether your marriage ceremony was valid, whether your marriage license was properly filed, or whether your spouse was legally free to marry, the putative spouse doctrine under FC §2251 may protect you — but you must act to assert those rights.
- You moved to California with a common-law marriage from another state — proving the validity of an out-of-state common-law marriage requires presenting evidence that satisfies the originating state’s specific requirements. An attorney can help you document and establish the validity of your marriage.
- Your ex is claiming your cohabitation affects their support obligation — if your former spouse is seeking to reduce or terminate spousal support based on your new living arrangement, you need to understand your rights under FC §4323 and prepare a defense.
California law gives married couples an extensive framework of default protections — community property, mutual support obligations, fiduciary duties under FC §721, and automatic inheritance rights. Unmarried couples get none of these by default. Every protection must be created deliberately through written agreements, proper titling, and estate planning. The time to address this is now, not when the relationship is ending.
- California does not recognize common-law marriage — no amount of time living together (7 years, 10 years, or longer) creates a legal marriage. FC §300 requires a license and solemnization.
- The “7-year rule” is a complete myth — it has no basis in California law and never has. California abolished common-law marriage in 1895.
- Out-of-state common-law marriages are recognized — under FC §308, a valid common-law marriage from another state is treated as a legal marriage in California.
- Putative spouse doctrine protects good-faith belief — under FC §2251, if you reasonably believed you were legally married, you may be entitled to quasi-marital property rights.
- Marvin claims provide limited cohabitant rights — unmarried partners can enforce express or implied agreements about property and support, but you must prove the agreement existed.
- Cohabitation affects spousal support — under FC §4323, living with a new partner creates a rebuttable presumption of decreased need for alimony from a prior marriage.
- Protect yourself proactively — cohabitation agreements, proper property titling, wills, health care directives, and beneficiary designations are essential for unmarried couples.
- Domestic partnership is available — registering under FC §297 provides most marriage-equivalent protections without a traditional marriage.