What Happens When a Neighbor Claims Your Land as Their Own? Understanding Adverse Possession and How to Stop It Before It Starts

Jun 24, 2026

by Adam H. Thayer, Esq
Sayer Regan & Thayer, LLP

What You’ll Learn

  • What adverse possession is and why the law allows it at all
  • The specific legal requirements a claimant must meet in RI, MA, and CT
  • How to recognize the warning signs that a claim may already be forming on your property
  • The practical, concrete steps that prevent adverse possession before it becomes a courtroom problem
  • What to do if a neighbor has already asserted a claim or is threatening one
  • When a quiet title action becomes necessary, and what that process looks like

    Here is a scenario that plays out more often than most property owners expect. A neighbor parks their boat behind your barn every summer, mows a strip of grass along the fence line, and maybe builds a small storage shed that sits a foot or two over the property line. Years pass. Nobody says anything. Then you go to sell your property, the surveyor draws the lines, and suddenly there is a problem that did not exist on paper until someone looked.

    That is adverse possession in practice. Although it is one of the older doctrines in property law, it remains fully alive in Rhode Island, Massachusetts, and Connecticut, and it can transfer title to a portion of your land to someone else without a deed, a closing, or a dollar changing hands. Understanding how it works is the first step toward making sure it never works against you.

    Why Does Adverse Possession Exist in the First Place?

    The doctrine traces back centuries to an era when land records were unreliable, surveys were imprecise, and vast stretches of property went unused and unmonitored for generations. The law held that if an owner genuinely abandoned their interest in land while someone else treated it as their own, the person actually using the land eventually deserved legal recognition.

    That rationale still holds some logic today, even if the fact patterns have changed. Courts and legislatures in New England have preserved adverse possession because it resolves long-standing boundary disputes, quiets title to land where records are unclear, and discourages landowners from indefinitely ignoring their property. The law is essentially telling you: pay attention to what you own.

    The good news is that the requirements for a successful adverse possession claim are demanding. Meeting all of them takes years, and there are multiple ways to break the chain before a claimant gets there.

    The Legal Requirements: What a Claimant Must Prove

    Adverse possession is not a casual concept. A claimant must prove each element by clear and convincing evidence, and the standard is the same across our three-state practice area, even if the specific statutory periods differ.

    The use must be actual.

    The claimant must physically use the land, not merely assert an intent to do so. Parking a vehicle, maintaining a garden, constructing a fence, or regularly mowing a strip of lawn all qualify. Simply walking across the land occasionally does not.

    The use must be open and notorious.

    This means visible and obvious enough that a reasonable owner paying attention would notice. Hidden or underground encroachments rarely satisfy this standard. A shed, a paved driveway, or a cultivated garden bed are exactly the kinds of visible, obvious uses that courts look for.

    The use must be exclusive.

    The claimant cannot share the disputed area with the public or with the true owner as if it were common space. The use has to resemble ownership, not just neighborly access.

    The use must be continuous.

    This does not require around-the-clock occupation, but it does require the kind of regular, seasonal use that a typical owner of similar land would make. A claimant who mows a strip of your yard every summer for twenty years has satisfied continuity far more convincingly than one who used it sporadically.

    The use must be hostile or adverse.

    In legal terms, this means without the owner’s permission. This is where many property owners inadvertently help their neighbors build a claim. Giving someone formal, written permission to use your land destroys the hostile element entirely.

    How long does it take?

    In Massachusetts, the statutory period is twenty years. Rhode Island requires ten years. Connecticut requires fifteen years. These clocks start running when all the other elements are simultaneously satisfied, and they can be reset, but only if the owner acts.

    Key point: The hostility requirement is often misunderstood. The claimant does not need to know they are trespassing, nor do they need bad intentions. In most New England courts, hostility simply means the use is inconsistent with the owner’s rights. A neighbor who honestly believes they own a strip of your yard and treats it accordingly is building an adverse possession claim, whether they realize it or not.

    Recognizing the Warning Signs on Your Property

    Adverse possession claims do not announce themselves. They accumulate quietly over years of inattention. If any of the following describes something happening at the edges of your property, it is worth taking a closer look.

    A neighbor’s fence, garden bed, or landscaping that appears to cross onto your side of the property line. Structures, sheds, or pavement that encroach over the boundary. Regular mowing, planting, or maintenance of land that is legally yours. Driveways or pathways that have been routed across your parcel for years. Access roads or beach paths that have become treated as a matter of right rather than courtesy.

    None of these is automatically a legal problem today, but any of them can become one if left unaddressed for long enough. The statute of limitations is patient, even if you are not.

    How to Prevent Adverse Possession: Practical Steps That Work

    Prevention is substantially easier and cheaper than litigation. The strategies are straightforward, but they require consistent attention.

    Get a current survey.

    If you have owned your property for more than a decade without a recent survey, you may not have an accurate picture of where your boundaries are. A licensed surveyor will mark the lines and often reveal encroachments that have been growing quietly for years. This is especially important before purchasing property, before any neighbor begins significant construction near the boundary, or if you plan to sell.

    Know your property and inspect it regularly.

    You cannot assert an ownership interest that you have abandoned in practice. Walk your perimeter. Check fence lines. Note whether anything has changed near your boundaries. Owners who are present and attentive are far harder targets for adverse possession claims than absentee owners.

    Grant written permission when you allow use.

    This is the most powerful tool most property owners never use. If a neighbor mows a strip of your yard, parks on the edge of your lot, or accesses your land in any regular way, document your permission in writing. A simple letter or license agreement stating that you are allowing use as a revocable courtesy and that it does not create any ownership interest completely breaks the hostility element. No hostility means no adverse possession claim. An attorney can prepare a license agreement in far less time than it would take to litigate the result of not having one.

    Post your property and maintain visible markers.

    Boundary markers, posted signs, and clearly maintained fencing signal that you are an active, attentive owner. These measures do not legally prevent a claim, but they support the argument that any encroachment was visible and knowable to the claimant.

    Act promptly when you discover an encroachment.

    The moment you notice a fence, path, garden, or structure that crosses onto your property, consult a real estate attorney. A demand letter, a quiet title action, or even a frank conversation documented in writing can interrupt the statutory period and reset the clock. Waiting to see what happens is how ten and twenty-year periods get satisfied.

    Do not ignore a problem in the hope that it resolves itself.

    Adverse possession claims do not get weaker with time. They get stronger. A neighbor’s encroachment that has been in place for five years is far easier to resolve than one that has been in place for fifteen. The legal remedies available to you shrink as the statutory clock advances.

     

    What to Do If a Claim Has Already Been Asserted

    If a neighbor is asserting an adverse possession claim, or if you discover one in the course of a title search or a sale transaction, you are dealing with a litigation matter and need legal representation promptly.

    The primary vehicle for resolving adverse possession disputes in New England is a quiet title action, a court proceeding in which a judge determines the rightful owner of the disputed parcel and issues a judgment that clears the title. These cases require documented evidence of land use history, survey records, deed chains, and often testimony from neighbors or other witnesses who can speak to how the land was used during the relevant statutory period.

    Courts in Rhode Island, Massachusetts, and Connecticut have addressed adverse possession in nuanced ways, particularly regarding what constitutes “hostility” and how continuity is assessed across seasonal properties, vacation homes, and beach or waterfront parcels. Local knowledge and experience with these courts matters.

    The earlier a quiet title action is filed after a dispute arises, the more control you retain over the outcome. Evidence is fresher, witnesses are available, and the encroachment has had less time to calcify into the kind of long-standing, visible use that courts find compelling.

    Your Land Deserves the Same Attention You Give Everything Else You Own

    You would notice if someone stopped making mortgage payments on your behalf and started claiming they owned your house. Adverse possession works on a slower timeline, but the stakes are the same: a portion of your property that you paid for, maintain, and plan to pass down can be transferred to someone else by operation of law if you are not paying attention.

    The attorneys at Sayer, Regan & Thayer work with property owners across Rhode Island, Massachusetts, and Connecticut on exactly these issues, from boundary disputes and encroachments to quiet title actions and preventive documentation. If something about your property’s boundaries is nagging at you, that instinct is worth following up on.

    Contact Sayer, Regan & Thayer for more information on this topic.

    This article is intended for general informational purposes and does not constitute legal advice. Boundary disputes involve specific facts and legal questions that require the advice of a licensed attorney in your state. If you are dealing with a dispute involving adverse posession, consult a real estate attorney before taking action.

    Frequently Asked Questions

    Can adverse possession apply to just part of my property?

    Yes, and this is the most common scenario. Adverse possession claims typically involve strips of land along a boundary, corners of a parcel, or specific areas like driveways and garden beds, not entire lots. A successful claim transfers title only to the specific portion the claimant has occupied and used in the legally required way. Even a narrow strip, however, can create significant complications when you go to sell or finance your property.

    Does it matter whether the encroachment is intentional?

    Generally, no. In Rhode Island, Massachusetts, and Connecticut, the claimant does not need to know they are encroaching on your land. A neighbor who built a fence in the honest belief that it was on the correct boundary line is still building an adverse possession claim if the fence turns out to be on your side. Intent is largely irrelevant. What matters is how the land was used and for how long.

    If I give my neighbor verbal permission to use my land, does that stop the clock?

    Verbal permission creates some legal protection, but it is far weaker than written documentation. If a dispute ever arises, proving that verbal permission was given years ago is difficult, and the neighbor may simply deny it. A written license agreement, even a brief one, is legally cleaner and harder to challenge. If you have been allowing informal use of your land without documentation, it is worth formalizing that arrangement now rather than later.

    What happens to an adverse possession claim when a property is sold?

    The new owner steps into the old owner’s shoes. If a claimant had been occupying a strip of your land for twelve years before you sold the property in Massachusetts, the statutory twenty-year clock does not reset at the point of sale. The new owner inherits both the land and its legal complications. This is why title searches and current surveys are so important in the purchase process, and why an adverse possession issue discovered during a transaction needs to be resolved before closing rather than passed along.

    How do adverse possession rules apply to waterfront or seasonal properties?

    This is an important nuance in New England, where a significant portion of land is used seasonally. Courts assess continuity based on what a typical owner of that type of property would do. For a beach cottage used only in the summer, seasonal use by a claimant may be sufficient to satisfy continuity. Waterfront properties also carry additional complexity around access rights, tidal boundaries, and historic footpaths. If you own waterfront or seasonal property in RI, MA, or CT, the boundary and access issues are worth reviewing with an attorney who knows this specific landscape.