Fences and Adverse Possession in New York: Why the Property Line Still Matters
Under New York law, adverse possession generally requires possession that is actual, open and notorious, exclusive, continuous, adverse, and under a claim of right for the statutory period. New York’s statute defines “claim of right” as a reasonable basis for believing the property belongs to the possessor.
Fences matter because they can be evidence that someone is treating land as their own. New York’s RPAPL § 522 provides that land may be considered possessed where there are acts sufficiently open to put a reasonably diligent owner on notice, or where the land has been protected by a “substantial enclosure.” In plain English, a real fence enclosing a disputed strip may be more legally significant than casual use.
But not every fence creates an adverse possession claim. Since New York’s 2008 amendments, RPAPL § 543 states that de minimis, non-structural encroachments, including fences, hedges, plantings, sheds, and non-structural walls, are deemed permissive and non-adverse. The same statute says lawn mowing or similar maintenance across a boundary line is also permissive and non-adverse.
That means a small fence mistake, routine yard maintenance, or minor landscaping over the line will not automatically give a neighbor ownership rights. The facts still matter: the size and permanence of the encroachment, whether the disputed area was truly enclosed, how long the condition existed, whether use was exclusive, and whether the possessor had a reasonable basis for believing the land was theirs.
For homeowners, the lesson is simple: do not rely on assumptions. Before installing or replacing a fence, get a current survey. If an existing fence appears off-line, address it promptly and in writing. Boundary problems are usually easier to solve early—before years of use, investment, and neighbor expectations turn a small fence issue into a title dispute.
This post is for general information only and is not legal advice. For details about your particular situation, feel free to call Chiariello & Chiariello - 516-801-8100