When your unmarried partner passes away in Arizona, you might assume you have the same rights as a spouse when it comes to handling their assets. You don't. Arizona law doesn't recognize unmarried partners as heirs automatically, which means accessing bank accounts, vehicles, or personal property becomes a legal challenge even if you lived together for decades. A small estate affidavit can help you claim certain assets without going through full probate, but the process works differently for unmarried partners than it does for spouses or blood relatives. Understanding how this works can save you time, money, and unnecessary stress during an already difficult time.

What is a small estate affidavit, and how does it work in Arizona?

A small estate affidavit is a legal document that lets a person collect assets from a deceased person's estate without opening a probate case. In Arizona, this tool is governed by A.R.S. § 14-3971, which allows someone entitled to an asset to sign a sworn affidavit stating they have a legal right to it.

The key requirement is about estate size. Arizona allows the use of a small estate affidavit when the total value of the decedent's personal property (not real estate) is $75,000 or less. For real property, the threshold is $100,000 or less. If the estate falls under these limits, you may be able to skip probate entirely.

There's also a waiting period. You must wait at least 30 days after the date of death before using the affidavit. This gives creditors and other potential claimants time to come forward. You can read more about when you can file a small estate affidavit in Arizona to understand the full timeline.

Why is it harder for unmarried partners to use a small estate affidavit?

Arizona's intestate succession laws the rules that apply when someone dies without a will don't include unmarried partners. A surviving spouse, children, parents, or siblings all have a legal path to inherit. An unmarried partner does not, unless the deceased person named them in a valid will or trust.

This means that if your partner died without a will, you may have no legal standing to use a small estate affidavit to claim their assets. The affidavit requires you to state under oath that you are the rightful heir or that you are legally entitled to the property. If Arizona law doesn't recognize you as an heir, signing that affidavit could be legally invalid or even considered fraud.

However, there are situations where unmarried partners can use this tool:

  • Jointly owned property: If you and your partner jointly owned a bank account, vehicle, or other asset, you may already have rights to that property through survivorship, not through the affidavit process.
  • Named as beneficiary: If your partner named you as a payable-on-death (POD) or transfer-on-death (TOD) beneficiary on an account, you can claim those funds directly with a death certificate.
  • Named in a will: If your partner left a valid will that names you as a beneficiary of specific personal property, you may qualify to use the small estate affidavit to collect those assets.

What property can an unmarried partner actually claim?

This depends entirely on how the property was titled and whether there's a will. Here's a breakdown:

Property you can likely claim

  • Bank accounts with a POD designation naming you
  • Vehicles titled jointly with rights of survivorship
  • Life insurance proceeds if you're the named beneficiary
  • Retirement accounts or investment accounts with you as the designated beneficiary
  • Specific personal property left to you in a valid will

Property you probably cannot claim

  • Assets solely in your partner's name with no will and no beneficiary designation
  • Real estate owned only by your partner (even with a small estate affidavit, intestate heirs would take priority)
  • Any property where blood relatives or legal heirs have a competing claim

For example, imagine your partner had a car worth $15,000 titled only in their name, a bank account worth $20,000 with no POD, and a retirement account worth $40,000 naming you as beneficiary. You could claim the retirement account directly from the financial institution. But the car and bank account? Without a will naming you, those would pass to your partner's legal heirs under Arizona intestate law not to you.

How do you actually file a small estate affidavit as an unmarried partner?

If you do qualify because you're named in a will or have other legal standing here's the general process:

  1. Wait 30 days from the date of your partner's death.
  2. Gather documents: a certified death certificate, proof of your identity, documentation showing your right to the property (such as a will, beneficiary designation, or joint ownership records).
  3. Complete the affidavit form. Arizona courts provide small estate affidavit forms, but the specific form may vary by county. If you're filing in Maricopa County, the filing requirements differ slightly from other counties.
  4. Sign the affidavit in front of a notary public.
  5. Present the affidavit to the financial institution, DMV, or other entity holding the asset.

You don't necessarily need to file anything with the court. In most cases, you present the notarized affidavit directly to the bank, credit union, or other institution holding the property. Some institutions have their own procedures, so call ahead and ask what they require.

If this process feels overwhelming, you can learn more about filing a small estate affidavit without a lawyer to see if handling it yourself makes sense.

What are the most common mistakes unmarried partners make?

Signing the affidavit without legal standing. The biggest mistake is claiming to be an heir when you have no legal right under Arizona law. This can expose you to legal liability.

Confusing joint ownership with inheritance rights. If your name isn't on the account or title, you don't automatically have rights to it no matter how long you lived together or how you split expenses.

Waiting too long. While the affidavit itself requires a 30-day wait, letting months or years pass without acting can complicate things. Institutions may freeze accounts, and other heirs may step in.

Not checking for a will. Some people assume their partner didn't have a will when one actually exists maybe filed with an attorney, stored in a safe deposit box, or even registered with the court. Always check before assuming intestate law applies.

Confusing small estate affidavit rules with probate rules. A small estate affidavit is not probate. It's a shortcut for small estates. If the estate exceeds the value limits, you'd need to go through probate court instead. This comparison between small estate affidavits and probate in Arizona breaks down the differences clearly.

What should you do if you don't qualify for a small estate affidavit?

If you're not named in a will and don't have joint ownership or beneficiary designations, your options are limited. Here are realistic paths forward:

  • Talk to the legal heirs. In some cases, family members may be willing to sign over property that was clearly intended for you. Get any agreements in writing.
  • Check for community property agreements or cohabitation agreements. If you and your partner created any written agreements about property rights, those may help.
  • Consult an attorney. An Arizona probate attorney can review your specific situation and tell you honestly what you can and cannot claim. Many offer free initial consultations.
  • Consider whether probate is necessary. If the estate is large or complex, a formal probate proceeding may be the only way to resolve competing claims.

How can unmarried partners protect each other in the future?

If you're reading this because you've already lost a partner, this section may be too late for your current situation. But if you're in a relationship now and want to avoid this problem later, here's what to do:

  • Create a will. This is the single most important step. A valid Arizona will lets you name your partner as a beneficiary of specific assets or your entire estate.
  • Update beneficiary designations on bank accounts, retirement plans, and life insurance policies.
  • Consider joint ownership for major assets like vehicles and bank accounts.
  • Look into a revocable living trust if you own real estate or have significant assets.

Quick checklist: Can you use a small estate affidavit as an unmarried partner?

Use this checklist before you start the process:

  • ☑ Has at least 30 days passed since the date of death?
  • ☑ Is the total value of personal property $75,000 or less (or real property $100,000 or less)?
  • ☑ Are you named in a valid will, or are you a designated beneficiary on the account?
  • ☑ Do you have a certified copy of the death certificate?
  • ☑ Have you checked whether other heirs might contest your claim?
  • ☑ Have you contacted the financial institution to confirm their requirements?

Practical tip: Before spending time on paperwork, call the bank or institution holding the asset. Ask them directly: "I'm the unmarried partner of the deceased. I'm named as [beneficiary/heir in a will]. Can I use a small estate affidavit to claim this asset?" Their answer will tell you immediately whether the affidavit approach is worth pursuing or whether you need a different legal path.