Arizona is a community property state. If you are married and you live here, that fact shapes almost every aspect of your estate plan.
A lot of couples do not fully understand what community property means until they are in an attorney’s office figuring out what happens to their home, their retirement accounts, or their business after one of them dies. By then, some decisions are harder to unwind than they would have been if you had planned ahead.
This guide explains exactly how Arizona community property law works, what it means for your estate plan, and where the common mistakes happen.
What Is Community Property?
Arizona is one of nine U.S. community property states, along with California, Texas, Nevada, Washington, Idaho, Louisiana, New Mexico, and Wisconsin. In these states, most property acquired by either spouse during the marriage is automatically owned equally by both spouses, regardless of whose name is on the account or the title.
The foundation is ARS Title 25, Chapter 2, which governs marital property in Arizona.
Community property includes:
- Wages and salaries earned by either spouse during the marriage
- Real property purchased during the marriage with marital funds
- Bank accounts funded with earnings from the marriage
- Retirement accounts (401k, IRA, pension) funded during the marriage
- Business interests developed during the marriage
- Debts incurred during the marriage
Separate property (not community property) includes:
- Property owned by either spouse before the marriage
- Property received as a gift or inheritance by one spouse, even during the marriage, if kept separate
- Property explicitly identified as separate in a valid prenuptial or postnuptial agreement
The distinction between community and separate property has major consequences for your estate plan. Understanding which category your assets fall into determines what you can do with them.
How Community Property Affects What You Can Leave Behind
Each spouse owns exactly 50% of all community property. That means each spouse can only control the distribution of their half in their will or trust.
What this means in practice:
- If you own a home as community property, you can leave your 50% interest to whoever you choose. Your spouse’s 50% is theirs to leave as they wish.
- You cannot disinherit a surviving spouse from community property without their agreement. Arizona law protects the surviving spouse’s 50% interest.
- A surviving spouse automatically keeps their 50% of all community property regardless of what your will says.
This is why estate planning for married Arizona couples involves both spouses actively. A plan that only one spouse has thought about – or that only accounts for one spouse’s wishes – is incomplete.
For a look at how this plays out in more complex family situations, see Modern Law’s upcoming guide on estate planning for blended families in Arizona.
The Most Powerful Tool for Married Arizona Couples: CPWROS
Arizona offers married couples one of the most valuable property-titling options available: Community Property with Right of Survivorship, or CPWROS. This is authorized under ARS Section 33-431.
When you title property as CPWROS, two things happen:
- Probate is avoided. When one spouse dies, the surviving spouse automatically receives the entire property with no court involvement required. No probate petition, no waiting period, no judge.
- You get a full double step-up in tax basis. This is a significant financial benefit that is unique to community property states.
Here is what the tax benefit looks like with real numbers:
| Scenario | Regular Joint Tenancy | CPWROS |
| Purchase price (basis) | $200,000 | $200,000 |
| Value at first spouse’s death | $600,000 | $600,000 |
| Surviving spouse’s new basis | $400,000 (step-up on decedent’s 50% only) | $600,000 (full step-up on entire value) |
| Survivor sells for $650,000 | Capital gains tax on $250,000 | Capital gains tax on $50,000 |
That difference in capital gains tax exposure can be worth tens of thousands of dollars for families who eventually sell the property. And the only thing that changes between these two scenarios is how you titled the property.
If your property is currently titled as regular joint tenancy or only in one spouse’s name, changing the title to CPWROS is one of the simplest and most impactful improvements you can make to your estate plan.
Separate Property in a Community Property State: How to Keep It Separate
Property one spouse owned before the marriage or received as a gift or inheritance stays separate – but only if you keep it that way.
Commingling kills the separate property designation. If you deposit an inheritance into a joint bank account and then use that money for household expenses and mortgage payments, it becomes very difficult to trace and prove that any of it is still “separate.” Courts apply a tracing analysis, and the longer the commingling has gone on, the harder it is.
Practical steps to protect separate property:
- Keep inherited or pre-marital assets in an account only in your name
- Document the source of separate property with records (bank statements, bequest letters, gift documents)
- Avoid depositing separate funds into joint accounts
- Consider a postnuptial agreement that specifically identifies certain assets as separate property
If you moved to Arizona from a non-community-property state, your assets from before the move may be treated as separate property. But once you establish Arizona domicile, assets acquired after that are community property.
How Separate Property and Community Property Interact With Your Estate Plan
Scenario 1: All community property, simple wishes
If you and your spouse own everything together as community property and you want everything to go to each other, then to your children, your estate plan is relatively straightforward. A living trust, pour-over will, updated beneficiary designations, and CPWROS titling on your home gives you probate avoidance, incapacity protection, and clean succession.
Scenario 2: Significant separate property
If one spouse brought significant separate property into the marriage – a business, real estate, or an inheritance – the estate plan needs to clearly identify that property as separate and direct it appropriately. This often involves careful trust drafting that segregates separate property interests and ensures they flow to the intended beneficiaries, which may or may not include the surviving spouse.
Scenario 3: Blended families
This is where community property creates the most complexity. If you have children from a prior relationship and a current spouse, the intersection of community property rights and your desire to provide for children from a prior relationship requires careful planning. A trust can accomplish this, but only if it is specifically drafted to address Arizona’s community property framework. Modern Law’s guide on estate planning for blended families covers this in detail.
Scenario 4: Business ownership during marriage
A business started or grown significantly during the marriage is almost certainly at least partially community property in Arizona. If one spouse wants to leave their business interest to a child rather than a surviving spouse, the surviving spouse’s community property interest must be addressed. This typically requires a formal valuation and either a buyout provision or a written agreement between the spouses about how the business will be treated.
Community Property and Retirement Accounts
Retirement accounts accumulated during the marriage are community property in Arizona, even if only one spouse’s name is on the account. Each spouse owns 50% of the marital portion of the account.
What this means for your estate plan:
- If you want to name someone other than your spouse as the primary beneficiary of a 401k or IRA, your spouse must give written consent. Federal ERISA law requires a spouse’s consent to waive their survivor benefit rights.
- If you are divorced, your ex-spouse may still be on your retirement account beneficiary designation. This is one of the most common and costly estate planning oversights. A divorce does not automatically remove beneficiary designations.
- If you brought retirement savings into the marriage, that pre-marital portion is likely your separate property. The portion accumulated during the marriage is community property.
Action item: Review every beneficiary designation on every retirement account right now. Make sure they reflect your current wishes and family situation.
Moving to Arizona From Another State
If you moved to Arizona from a non-community property state, you brought your property law with you – for the assets you owned before arriving.
Arizona recognizes a concept called “quasi-community property” under ARS Section 25-318. Property acquired while you were domiciled elsewhere that would have been community property had you been in Arizona at the time is treated as quasi-community property in certain proceedings. This matters most in divorce and probate.
Assets acquired after establishing Arizona domicile are community property going forward. Assets acquired before moving are not automatically community property, but the line can get complicated if those assets have grown, been refinanced, or been mixed with marital funds.
If you relocated to Arizona from California, Texas, or another community property state, the transition is relatively smooth. If you came from a common law state, review how your property is currently titled and classified with an Arizona estate planning attorney.
Common Community Property Mistakes in Estate Plans
Not updating property titles after marriage. A home purchased before the marriage in one spouse’s name only is separate property. If you want it treated as community property for estate planning purposes, you may need to re-title it – or at minimum, address it specifically in your trust documents.
Assuming a will can give away your spouse’s half. Your will only controls your 50% of community property. It cannot direct your spouse’s 50%. If your estate plan seems to give away more than you actually own, it will not work as written.
Ignoring beneficiary designations. Beneficiary designations on retirement accounts and life insurance operate completely outside your will and trust. They always override your other estate planning documents. Keep them current.
Failing to address separate property clearly. If you have significant separate property, your trust needs to clearly identify it and treat it separately from community property. Vague trust language leads to disputes among beneficiaries.
Not using CPWROS. Married couples who title their home as regular joint tenancy miss the double step-up in tax basis and may not realize it until they sell.
For a full look at what a complete Arizona estate plan includes, see the 7 documents every Arizona estate plan should include and how to avoid probate in Arizona.
Frequently Asked Questions
Is everything I own with my spouse community property in Arizona?
Not necessarily. Property owned before the marriage, received as a gift or inheritance, or designated as separate in a prenuptial agreement stays separate. But wages, most bank accounts funded during the marriage, real estate purchased with marital funds, and retirement contributions made during the marriage are generally community property.
Can I leave my share of community property to my children instead of my spouse?
Yes, you can leave your 50% of community property to your children in your will or trust. Your spouse retains their own 50%. However, if you want to control what happens to community property at the second death, you need to plan carefully – especially in blended family situations.
What is the difference between community property and community property with right of survivorship?
Both involve equal ownership by both spouses. With CPWROS, the surviving spouse automatically receives the deceased spouse’s 50% without probate, and both spouses receive a full step-up in tax basis at the first death. Regular community property (without CPWROS) does not include the automatic survivorship right.
Does community property affect what I can put in a prenuptial agreement?
Yes. A valid prenuptial agreement under ARS Section 25-202 can modify how community property rules apply to your specific assets. Spouses can agree to keep certain assets separate or designate future earnings as separate property. These agreements are commonly used in estate planning for blended families.
If my spouse and I own a business together, is it community property?
If you started or grew the business during the marriage using marital efforts and funds, it is likely at least partially community property. Business succession planning for married Arizona couples requires careful analysis of the separate versus community property interests involved.
What happens to community property if I die without a will?
Under Arizona’s intestacy laws (ARS Section 14-2102), your 50% of community property generally passes to your surviving spouse. However, your separate property may be distributed differently, and Arizona’s intestate succession rules may not reflect your actual wishes for your children, stepchildren, or other family members. See what happens if you die without a will in Arizona for the full picture.
Build a Plan That Works With Arizona Law, Not Against It
Arizona’s community property rules are not obstacles. When you understand them and plan around them, they can actually benefit your family significantly – especially the step-up in tax basis available through CPWROS.
The key is making sure your estate plan reflects how your property is actually classified, titled, and intended to transfer. Most couples are surprised by how much clarity a well-drafted plan provides.
Modern Law’s Arizona estate planning attorneys work with married couples, blended families, and individual clients across Phoenix, Scottsdale, Mesa, Tucson, and beyond. They understand Arizona’s community property framework and know how to build plans that reflect your actual family situation.
Make sure your estate plan accounts for community property correctly. Schedule a consultation with Modern Law today.
Legal Disclaimer: This blog is for informational purposes only and does not constitute legal advice. Arizona laws change frequently. Please consult a licensed Arizona estate planning attorney for guidance specific to your situation.
