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    A.R.S. § 12-521

    Arizona Adverse Possession Definitions: Peaceable, Hostile, and Continuous

    Verified May 17, 2026 • 57th Legislature, 1st Regular Session

    This section defines the key terms used in Arizona's adverse possession statutes. Adverse possession, peaceable possession, and related phrases each carry specific legal meanings. Understanding them is essential to evaluating any long-term real property claim.

    Title 12, LIMITATIONS OF ACTIONS

    azleg.gov

    What This Statute Says

    Adverse possession is the doctrine that allows someone to acquire title to land by openly using it for a statutory period. Arizona has several adverse possession periods, each with its own technical requirements. This section defines the terms the other statutes in this article rely on.

    A. In this article, unless the context otherwise requires:

    A.R.S. § 12-521

    When This Statute Comes Into Play

    The definitions matter when:

    • An estate owns property a neighbor has been using for years and now claims as their own.
    • A trust holds land with an old deed problem and the trustee needs to clear title.
    • A family member who lived on shared property for decades claims ownership against other heirs.

    Whether the possession was peaceable, whether the claim was hostile, and whether the use was continuous all turn on the definitions in this section.

    What This Means for Arizona Families

    Real property disputes are common in Arizona estate administration. A neighbor may have built a fence on the wrong side of the line decades ago. A relative may have lived on a piece of family land for so long that they consider it their own. The technical definitions in this section often decide who wins.

    If you are the personal representative or trustee of an estate that includes real property, do not assume the legal description on the deed tells the whole story. A title commitment may reveal adverse possession risks that require a quiet title action to resolve. Our FAQ on managing real estate during probate or trust administration covers the practical steps. An Arizona real estate or probate attorney working alongside a title professional can identify whether the relevant period was two, three, five, or ten years and what evidence the estate needs to defend its title or pursue a quiet title remedy. Pulling old warranty deeds and tax records early gives the fiduciary the best chance to resolve the dispute cleanly.

    A. In this article, unless the context otherwise requires: 1. "Adverse possession" means an actual and visible appropriation of the land, commenced and continued under a claim of right inconsistent with and hostile to the claim of another. 2. "Peaceable possession" means possession which is continuous, and not interrupted by an adverse action to recover the estate. 3. "Real property" includes mines and mining claims. B. "Peaceable and adverse possession" need not be continued in the same person, but when held by different persons successively there must be a privity of estate between them.

    This page provides general legal information about Arizona statutes and is not legal advice. For guidance on how this law applies to your situation, speak with a qualified attorney.

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