Trust vs. Will in Arizona: Which Is Right for You?

By Anjali Patel, Estate Planning Attorney at Tyler Allen Law Firm in Phoenix, Arizona

Trust vs. will in Arizona is one of the first questions families bring to an estate planning consultation, and the honest answer is that it is rarely an either-or choice. Nearly every Arizona adult should have a will. The real question is whether a revocable living trust should sit on top of it, and that depends on what you own, who you are providing for, and how much court involvement you want your family to deal with after your death or during a period of incapacity. The two documents do different jobs under Arizona law, and the right structure usually becomes obvious once you see where each one actually helps.

What is the difference between a will and a trust in Arizona?

A will is a set of instructions that takes effect at death and is carried out through the probate court, while a revocable living trust holds your assets during your lifetime and lets a successor trustee manage and distribute them without probate. Most Arizona estate plans are built around one or the other, and many use both, with the will acting as a backup to the trust.

What a will does in Arizona

A will controls what happens to assets titled in your name alone when you die. Arizona sets the formal requirements in A.R.S. § 14-2502, which calls for a written document signed by the testator and by two witnesses. Arizona also recognizes handwritten wills and, unlike most states, electronic wills, though both come with their own pitfalls and are best treated as fallback options rather than plans.

For parents, the will has a job no other document can do: nominating a guardian for minor children. That alone is reason enough for every Arizona parent to have one, regardless of asset level.

What a will does not do is keep your family out of court. A will is essentially a letter to the probate judge. Someone still has to open a probate case, be appointed personal representative, notify creditors, and account for the estate before assets can be distributed. That process is more manageable in Arizona than probate's reputation suggests, a point covered in more depth in common probate myths that cost families time and money, but it is still a court process with timelines, paperwork, and a public record.

What a revocable living trust does

A revocable living trust is a container you create during your lifetime. You transfer your assets into it, typically serve as your own trustee while you are alive and well, and keep full control. You can amend it or revoke it at any time. When you die, or if you become incapacitated, the successor trustee you named steps in and manages or distributes the trust assets according to your instructions, without a probate case and without a court appointing anyone.

That structure produces the trust's three practical advantages. First, assets properly held in the trust avoid probate entirely. Second, the trust provides continuity during incapacity, since the successor trustee can pay bills and manage property without a conservatorship. Third, the administration is private. A probate file is a public record; a trust administration generally is not.

The tradeoff is cost and upkeep. A trust-based plan costs more to create than a simple will, and it only works if it is funded, meaning your home, accounts, and other significant assets are actually retitled into the trust or pointed at it by beneficiary designation. An unfunded trust is the most common way Arizona trust plans fail, and it sends families right back into the probate the trust was supposed to avoid.

Does a will avoid probate in Arizona?

No. A will directs probate; it does not replace it. If you die owning assets in your sole name above Arizona's small estate thresholds, your family will need a probate case whether or not you left a will.

Those thresholds matter, though, and they recently changed. Under A.R.S. § 14-3971, Arizona families can now use a small estate affidavit instead of probate when the estate's personal property is worth no more than $200,000 and its Arizona real estate equity is no more than $300,000, both measured net of liens. Those limits, raised substantially in 2025, mean some modest estates can skip probate even with a will-only plan. The details and timing rules are covered in Arizona's small estate limits update. For a family whose home carries significant equity, however, the real property cap arrives quickly, and in much of metro Phoenix a paid-down house exceeds it on its own.

When a will-based plan is enough

A will-only plan can serve an Arizona family well when the estate is modest, the beneficiaries are adults, and the distribution is simple. It works best when it is paired with the non-probate tools Arizona law already provides. Beneficiary designations move retirement accounts and life insurance directly to the people you name. Payable on death designations do the same for bank accounts. Arizona's beneficiary deed can pass your home outside probate to a named beneficiary. Used carefully, these tools can move most of an estate without court involvement, and setting up beneficiary designations correctly is often the highest-value hour in a will-based plan.

The limits of this approach show up in the exceptions. Designations pay out immediately and outright, with no ability to stage distributions or manage money for a young or vulnerable beneficiary. They do nothing for incapacity. And a patchwork of forms across a dozen institutions is easy to leave inconsistent, which is how unintended people end up inheriting.

When a trust is worth the cost

Certain situations push clearly toward a trust. Minor children are the most common one, because a trust lets you hold and manage an inheritance until an age you choose instead of handing it over at eighteen. Real estate is another, especially a home with equity above the small estate cap or property in more than one state, since out-of-state property can otherwise force a second probate in that state. Blended families benefit from a trust's ability to provide for a surviving spouse while preserving the remainder for children from a prior marriage. Business owners, families with a member who has special needs, and anyone who values privacy or expects conflict among heirs tend to land in trust territory as well.

Incapacity planning deserves its own mention. A trust with a funded estate and a capable successor trustee is the smoothest tool Arizona law offers for managing property when you cannot, and for many families that benefit outweighs the probate avoidance entirely. Wealth is not really the dividing line, a point we made in We're Not Rich, Do We Still Need a Trust?, and it holds up: the question is not how much you have but how you need it handled.

Either way, the documents have to work together

Whichever direction you choose, the pieces have to be coordinated. A trust needs a pour-over will behind it to catch anything left outside the trust. A will-based plan needs its beneficiary designations aligned with the will rather than fighting it. Both need current powers of attorney and health care directives, because neither a will nor a trust covers medical decisions. And both need review when life changes, since the most expensive estate planning mistakes are usually old documents quietly pointed at the wrong people.

If you need help with your situation in Arizona, you can book a consultation directly here.