Overview

Encroachment is one of the most common sources of conflict in California HOAs, yet most homeowners misunderstand what the term actually means. At its core, an encroachment occurs when someone or something physically intrudes onto property they do not have the legal right to use. That intrusion can take many forms, including a fence or patio built over a property line, a patio extended into common area, a structure hanging over a boundary, or a neighbor redirecting water onto a neighboring lot. The label stays the same, but the legal analysis changes depending on the type of encroachment involved.

In HOAs, encroachment disputes rarely stay limited to just two neighbors. HOA boards often control architectural approvals, maintain common areas, and enforce the governing documents, which means they play a central role in developing and resolving these disputes. That added layer makes encroachment issues in HOAs more complex than standard neighbor disputes. A homeowner must evaluate not only where the boundary lies, but also how the Davis-Stirling Act and the governing documents affect the situation.

Not all encroachments carry the same legal consequences. Some involve clear property line violations that require removal or relocation. Others involve easement interference, where someone blocks or interferes with a legal right of access. Still others arise from drainage issues, structural overhangs, or ongoing unauthorized use of another person’s land. Each category triggers different legal rights, different defenses, and different remedies. Treating all encroachments the same causes mistakes, delays, and unnecessary escalation.

This Fact Sheet serves as the starting point for a focused set of resources addressing the most common encroachment disputes in California HOAs. It explains how encroachment issues are identified, how HOA authority intersects with those disputes, and why the type of encroachment at issue controls the legal outcome. From there, I break down each major category in separate Fact Sheets so that you can move directly to the issue that applies to your situation. If your dispute involves HOA common area, see “Can My Neighbor Take Over California HOA Common Area?” If a neighbor blocks access rights, see “What Can I Do If Someone Blocks My Easement?” If your issue involves drainage or water runoff, see “Can My Neighbor Drain Water Onto My Property?” Encroachment disputes also frequently overlap with landscaping and root-related conflicts, which I addressed in two prior Fact Sheets, “California Neighbor Tree Disputes: Damages, Attorney’s Fees, and HOA Involvement” and “California Neighbor Tree Disputes: Your Rights on Encroaching Branches and Roots.” Each of the Fact Sheets in this series expands on a specific category so that you can best analyze your situation with precision.

Encroachment disputes rarely stay confined to a single category. A property line issue may involve a structure that crosses a boundary, redirects water, or interferes with access rights at the same time. Understanding how these categories fit together allows you to identify the real issue quickly and avoid wasting time on the wrong legal theory.

Key Points

Encroachment disputes in California HOAs do not all raise the same problem, even when homeowners describe them using the same word(s). A fence over a property line, a patio extended into common area, a blocked easement, and redirected drainage all qualify as encroachment issues, but they do not trigger the same analysis or the same remedy. This Fact Sheet breaks the subject into the main categories of encroachments that California homeowners encounter in their HOAs so that they can identify the issue correctly before deciding on a next step. The point is not to overcomplicate the subject. The point is to avoid treating every encroachment dispute as if it were the same case.

• Encroachment occurs when someone or something physically intrudes onto property they do not have the legal right to use. The intrusion may involve a fence, wall, patio, roofline, balcony, water runoff, landscaping, branches, roots, or another physical condition that crosses a lawful boundary or interferes with a defined property right. The core issue is not whether the encroachment looks minor or whether the person who caused it claims an innocent mistake. The core issue is whether the person or condition occupies space, uses land, or interferes with access without a legal right to do so. [If this sounds similar to trespass, nuisance, or related legal theories, that is because it is. Those are legal claims a homeowner may assert to remedy an encroachment. They do not replace the need to correctly identify the nature of the encroachment itself.]
• Property line encroachments involve improvements or conditions that cross the boundary between one lot and another. This is the most familiar form of encroachment. It often involves fences, walls, driveways, patios, roots, planters, staircases, or structural additions that extend beyond the legal boundary line. In these disputes, the location of the actual property line matters more than assumption, appearance, or long-standing neighbor practice.
• Common area encroachments occur when a homeowner seizes, uses, or expands into HOA property without the legal right to do so. These disputes often involve patios pushed outward, landscaping installed past lot limits, storage placed in common area, or improvements a homeowner builds into space the HOA controls. The legal issue in these cases extends beyond the complaining homeowner because the encroached area belongs to the HOA. This gives the HOA a direct role in the dispute and triggers a duty to enforce the governing documents, especially since the board generally cannot permit exclusive use of common area without membership approval under Civil Code 4600.
• Easement encroachments occur when someone interferes with a recorded right to cross or use property for a specific purpose. A homeowner does not need a structure crossing a lot line to have an easement-related encroachment problem. If a neighbor blocks access, interferes with use, or places an obstacle in the path of a valid easement, such as by erecting a fence or other barrier, the interference will qualify as a separate and serious form of encroachment. The easement’s scope, its creating language, and the type of interference dictate the outcome of these disputes.
• Structural encroachments include projections and additions that extend beyond lawful boundaries even when the structure does not sit fully on the neighboring land. These disputes often involve second-story additions, balconies, eaves, awnings, rooflines, decks, cantilevered features, or other improvements that project past the property line. Some homeowners assume that only ground-level intrusions count as encroachments. That assumption is wrong. A structure can create an encroachment by crossing into another owner’s air space above the ground or by projecting into common area.
  • A structure does not need to touch the ground to create an encroachment. A projection into another owner’s air space can still interfere with property rights and still create a dispute that requires correction, removal, negotiation, or litigation. Ground contact is not the test. Unauthorized physical intrusion over property you own is, and that includes the immediate air space on your property.
  • HOA architectural approval does not give a homeowner the right to build into someone else’s property or into common area. An HOA board may approve plans under the governing documents and still approve something that creates an encroachment. HOA approval may affect the factual history of the dispute, but it does not rewrite boundary lines, erase easement rights, or authorize the taking of property that the homeowner had no right to use in the first place.
• Drainage encroachments occur when a homeowner, improvement, or altered condition pushes water onto another lot or into common area in a way that creates an unauthorized intrusion. These disputes often arise from regrading, drains, hardscape, downspouts, planters, slope changes, or other alterations that change how water moves through the community. That water caused the intrusion does not make the issue less actionable than the construction of a fence or wall. Water can invade property, damage improvements, and interfere with use just as effectively as any built structure can.
• The category of encroachment controls what evidence matters most. A property line dispute may require a survey, lot map, or title review. An easement dispute may turn on recorded documents and the language creating the access right. A drainage dispute may require photographs, runoff patterns, contractor work, or proof of changed conditions. Selecting the wrong category results in the wrong evidence and weakens the claim.
  • The category of encroachment also shapes the remedy. Some encroachments call for removal or relocation. Others call for injunctive relief, negotiated correction, damages, HOA enforcement, or some combination of those responses. The law does not treat every encroachment as an all-or-nothing removal case, and it does not reduce every dispute to a money issue either. The nature of the intrusion, the affected rights, and the resulting damage determine the remedy.
• Identify the exact encroachment problem before escalating. That does not mean a homeowner must solve the whole case alone. It means the homeowner should understand whether the dispute centers on a lot line, common area, easement rights, structural projection, drainage, or some overlap among them. That first step determines which records matter, which photographs matter, which governing document provisions matter, and whether the HOA stands in the middle of the dispute or outside it.
• If your neighbor or HOA refuses to correct an encroachment, call the HOA attorneys at MBK Chapman. Encroachment disputes turn on boundaries, recorded rights, approvals, and physical conditions that require precise legal analysis and deep experience. The California HOA attorneys at MBK Chapman know how to identify the issue correctly and pursue the remedy that fits the facts.

Encroachment does not constitute a single problem with a single answer. It is a broad subject that includes different kinds of physical intrusion, different kinds of property rights, and different kinds of remedies. Homeowners who identify the category correctly put themselves in a far better position to evaluate the dispute, gather the right evidence, and decide what to do next. The remaining Fact Sheets in this series take the most common categories one at a time ensuring the analysis remains precise rather than collapsing into vague generalities.

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About MBK Chapman Fact Sheets

Homeowners searching for answers online will often come across articles that appear authoritative, but are actually written as search-engine marketing content rather than by an experienced HOA lawyer. These pieces tend to prioritize keyword density over clarity, accuracy, or legal context, which often leaves homeowners more confused than informed.

At MBK Chapman, our Fact Sheets are part of our HOA Law Library and are written by Michael Kushner, an HOA lawyer with decades of hands-on experience representing California homeowners. In fact, Michael Kushner is the HOA lawyer who pioneered the systems and strategies used by some of California’s most successful homeowner-side HOA law firms.

Each Fact Sheet is deliberately concise, statute-based, and designed as a quick-reference guide to help homeowners understand key HOA laws and enforcement rules at a glance.

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