Who should claim the house on taxes if not married?

Asked by: Prof. Abdiel Runolfsson III  |  Last update: July 7, 2026
Score: 4.8/5 (32 votes)

Unmarried homeowners should generally divide home-related tax deductions—such as mortgage interest and property taxes—based on the amount each person actually paid. While both names may be on the title, the person with the higher income, or the one who pays the majority of expenses, often gains the most tax benefit by claiming them, provided they itemize deductions.

How to file taxes if you bought a house with someone but not married?

Co-owning a home does not, by itself, create the option to file jointly. Unmarried co-owners always file separate federal returns, even if they share a mortgage or deed.

Who claims the house on taxes if filing separately?

With this tax status, mortgage interest is claimed by the person who makes the mortgage payment. Therefore, if one of you paid alone from your own account, that person can claim all of the mortgage interest (and even property taxes) if they take the itemized vs. standard deduction.

Who gets the house when an unmarried couple splits up?

If an unmarried couple owns a house, or other substantial property together, it will be divided equally upon separation.

Who claims head of household when not married?

To file as Head of Household, you have to: Pay for more than half of the expenses for a qualifying household. Be considered unmarried on the last day of the tax year. Have a qualifying child or dependent.

Who should claim the House on taxes if not married?

25 related questions found

What disqualifies you from claiming head of household?

You should not file as Head of Household (HOH) if you are married and living with your spouse, your qualifying person's income is too high, the person didn't live with you long enough (generally over half the year, with exceptions for parents), you didn't pay more than half the household costs, or someone else claims the same dependent, and generally, you must be unmarried or "considered" unmarried by year-end to qualify. 

Can my girlfriend take my house if we break up?

Each party continues owning their share, and a breakup will not alter the property rights.

What happens when you buy a house with someone you're not married to?

California law presumes that co-owners who purchase property together are tenants-in-common unless otherwise explicitly stated. (CA CIVIL § 686.) Tenants-in-common do not have to be held in equal ownership interests and can be in whatever percentage the couple decides.

What are the biggest tax mistakes people make?

The biggest tax mistakes people make include filing late, math errors, incorrect personal info (like Social Security numbers), forgetting deductions/credits (like EITC), misreporting income, not signing forms, and making errors with bank details for direct deposit, all leading to delays, penalties, or missed savings, with using tax software or professionals helping avoid these common pitfalls.

Can two people claim a home on taxes?

How Does Joint Home Ownership Affect Your Taxes? Co-owners of a property are each entitled to claim a share of related tax deductions and credits on their tax returns. How those deductions and credits are divided may depend on how the property is held, who paid the expenses and what your tax filing is.

What are common mistakes in separate filing?

Some of the most common mistakes in this area include misspelled names, missing or incorrect Social Security numbers, and entering inaccurate information on your tax forms, such as wages, bank interest, dividends, etc.

What happens when you buy a house with a boyfriend?

One person can own the whole property. Both partners can own the property as joint tenants with rights of survivorship, which means that two people share equal ownership and if one dies, the other becomes the property's full owner.

Does the IRS recognize domestic partnerships?

The Federal Government does not recognize domestic partnerships and therefore the benefits for the domestic partner become a reportable or taxable income for the employee.

Can boyfriend and girlfriend file taxes together?

You usually must be married to file together. However, if you are non-married but want to file a joint return, it is possible you can use married filing jointly if you're considered married under a common law marriage recognized by either of these: The state where you live.

What is the 3-3-3 rule for marriage?

The "3 3 3 rule" in marriage (also known as the 3x3 rule) is a guideline for relationship health, suggesting each partner gets 3 hours of alone time per week and the couple gets 3 hours of uninterrupted couple time together, totaling 6 hours weekly for balanced "me time" and "us time" to reduce resentment and boost connection. It's a flexible system, where these hours can be chunked or broken up to fit schedules, promoting individual well-being and shared intimacy.
 

How do two unmarried people buy a house together?

Unmarried couples typically hold title in one of two ways: joint or tenancy in common. Joint tenancy: This arrangement allows both parties equal ownership and rights to the property, if held as joint tenancy with the right of survivorship. This means if one partner dies, the other automatically inherits their share.

How do I protect my house from my partner?

If you want to protect your house from your new partner, the best way would be to enter a cohabitation agreement, a type of binding financial agreement.

How many years in a relationship are you considered married?

A: No, California does not recognize common law marriages, regardless of how long a couple has been living together. To be legally married in California, a couple must obtain a marriage license and have a formal ceremony.

How to protect yourself if not married?

Unmarried couples can achieve similar legal protections through various legal documents, such as a Power of Attorney, Health Care Directive, Cohabitation Agreement, and Last Will.

What rights does a cohabiting partner have?

Living together without being married or being in a civil partnership means you do not have many rights around finances, property and children. Consider making a will and getting a cohabitation agreement to protect your interests.