Is there a property co-ownership regulation in a rural subdivision? What the law really says in Chile

An analysis of why rural projects are not governed —nor can be governed— by the Law of Property Co-Ownership, and how they are regulated in practice.

The problem: when marketing outpaces the law

It is common in southern Chile —and generally in any nice plot project— to encounter brochures, websites, and even real estate agents that refer to "rural condominium", "community of owners" or directly offer a "property co-ownership regulation" for a countryside subdivision. It sounds orderly, it sounds serious, it sounds like there are clear rules. The problem is that, most of the time, that terminology is legally incorrect, and misusing it can create legal expectations that the project simply cannot fulfill.

A project born from a subdivision of rural land, with the law in hand, what legal regime truly applies to it, why the Law of Property Co-Ownership is discarded by design (not by choice), and how serious developers still regulate coexistence and conservation of the project without resorting to that law.

The starting point: two legal frameworks that must not be confused

To understand the issue, one must be clear about two completely different legal instruments:

1. Decree Law No. 3,516 of 1980 (Ministry of Agriculture)

This is the norm that regulates the subdivision of rustic properties in Chile: land suitable for agricultural, livestock, or forestry use, located outside urban limits. It establishes, among other things, that the lots resulting from a subdivision cannot have an area less than 0.5 hectares (5,000 m²), except for certain assessed exceptions (regularization of small properties, public works, transfers to the Treasury, etc.). The process is certified by the Agricultural and Livestock Service (SAG), verifying that the subdivision meets legal requirements.

When someone buys a "5,000 m² plot" in southern Chile, they are almost always purchasing a lot born from this decree law: a property with a own role, independent, with no legal relationship of co-ownership with neighboring lots.

2. Law No. 21,442, Law of Property Co-Ownership

This law replaced the old Law No. 19,537 and came into force on April 13, 2022, modernizing the regulations that govern condominiums in Chile: buildings, residential complexes with common goods, professional administration, registration of administrators in the MINVU, etc. Its scope of application is the condominium: a project with units of exclusive domain, common goods, registered co-ownership regulations, and approval from the Municipal Works Directorate (DOM).

They are, ultimately, two distinct worlds: one designed for productive rural land (D.L. 3,516), and another for urban or similar community living (Law 21,442).

The key question: Can a D.L. 3,516 subdivision be subject to Law 21,442?

This is where many analyses —even the well-intentioned ones— fall short by simply stating that "it does not apply, unless later a condominium is established." This way of framing it suggests that it is an open possibility that developers simply do not usually exercise. The legal reality is much more categorical: the Law 21,442 explicitly prohibits it.

Article 1, letter B, of Law 21,442 —directly consulted on the official site of the National Congress Library (LeyChile)— establishes:

"The rustic properties divided or subdivided in accordance with Decree Law No. 3,516, of the Ministry of Agriculture, of 1980, cannot be subject to the co-ownership regime regulated in this law."

It does not say "they normally do not apply." It states that they cannot. It is a direct legal prohibition, not an option that remains pending a future decision of the project.

Circular No. 5 of the Executive Secretariat of Condominiums (an agency dependent on the MINVU that oversees the application of Law 21,442) confirms this in the same terms, clearly establishing that the subdivided properties under D.L. 3,516 are excluded from the co-ownership regime.

Is there a rural door in Law 21,442? Yes, but it is not this one

The law does allow for a way for a condominium to be located in rural areas, but it is a completely different path and does not apply to agricultural subdivisions:

"Condominiums may be located in urban areas and, exceptionally, in rural areas, when they involve housing projects whose construction has been previously authorized in accordance with Article 55 of the General Law of Urbanism and Constructions."

In other words, the rural exception of Law 21,442 passes through Article 55 of the General Law of Urbanism and Constructions (LGUC) —which regulates authorized isolated constructions on rural land, respecting territorial planning— and not through D.L. 3,516, which is a regime of agricultural subdivision with a different logic and oversight authority (SAG vs. DOM/MINVU).

In simple terms, and as a specialized legal analysis summarizes well: if the project is approved as a rural subdivision D.L. 3,516, it is not a condominium in the sense of Law 21,442; by law, there is no "co-ownership" or "mandatory common expenses".

How to obtain authorization under Article 55 of the LGUC for a rural housing project

Before establishing a condominium on rural land, the developer must go through a prior and mandatory procedure: to obtain authorization under Article 55 of the LGUC from the relevant Municipal Works Directorate (DOM). Unlike the agricultural subdivision of D.L. 3,516 —which is processed by the SAG and meant to maintain the land for productive use— this route is specifically designed to allow residential constructions outside urban limits without transforming the property into urban land per se. The procedure requires demonstrating to the DOM that the project complies with the current territorial planning for that area: sufficient property area, feasibility of urbanization (water, sewage or equivalent individual solutions, electricity, access) and compliance with the road network and urban standards required by the LGUC and its General Ordinance. Only once this permit is obtained can the developer commence construction of the project and, only then, is he enabled —meeting the other requirements of Law 21,442— to formally establish the condominium and register its co-ownership regulations.

Example: A developer buys a 60-hectare field, obtains the authorization under Article 55 LGUC, and builds 45 houses, internal roads, a clubhouse, a swimming pool, a gatehouse, and green areas. Once the works are completed, he establishes the project as Condominium Type B. This perfectly aligns with the legal definition of this type of condominium: a condominium where exclusive domain is attributed to the sites into which a property is divided, leaving common domain to other goods or lands, such as those meant for circulation or green areas. It is exactly the structure of the example: sites/houses of exclusive domain, plus roads, a clubhouse, and common land in shared domain. It is the step that legally differentiates between "buying an agricultural plot" and "buying a unit within a rural condominium": it is not the geographical location that defines the applicable regime, but the legal instrument under which the project was authorized and processed from its origin.

Why this distinction is not a minor detail

The difference between "it does not apply by default, unless it is later established" and "it is prohibited by law" has concrete practical consequences:

It is not enough to draft and approve a "co-ownership regulation" for a D.L. 3,516 subdivision to be subject to Law 21,442. The law prohibits it while the property maintains its origin and legal nature of rustic subdivision.
For a project of this type to potentially fall under the co-ownership regime, a subsequent decision by the owners would not suffice: the legal nature of the land would have to change (for example, through a new urban procedure in accordance with Article 55 LGUC), a process much deeper than simply drafting a regulation.
Consequently, calling the internal document of a rural subdivision project a "co-ownership regulation" is not only imprecise: it can mislead buyers who believe there is a legal framework of co-ownership with all its guarantees (registration of administrators, MINVU oversight, nullity of abusive clauses, etc.), when in reality, there is none.

So, what legal void do these projects remain in?

It is not exactly a "void": it is a space that the law deliberately leaves to the autonomy of will and contract law. In the absence of a special legal regime (as urban co-ownership has), rural projects of this type are regulated through a combination of private legal tools, all fully recognized by Chilean law:

1. Project Regulation (or "Conservation Regulation")

A contractual document —not legal, in the sense of not being covered by a special law— that establishes internal rules: land use, architecture, environmental care, coexistence, pets, tourist rental, etc.

2. Registered easements

Transit easements, electrical network easements, water easements, fiber optics, drainage, or access to a body of water (a river, a lagoon) are registered with the Property Registrar and thus generate permanent effects, enforceable against future owners, because they are attached to the property, not the person.

3. Real obligations incorporated in the deeds

Clauses that transfer along with the property, obliging also whoever buys the lot in the future (not just the original purchaser).

4. Registered prohibitions

When applicable, specific restrictions also registered to be enforceable against third parties.

5. Committee or Association of Owners (contractually based, not legally)

A organization of owners established by agreement among them —and not mandated by Law 21,442— that manages the shared spaces and goods of the project (private roads, access gates, common conservation areas, etc.).

This model —private regulation + easements + contractual clauses— is, in practice, the one used by the vast majority of high-standard rural projects in southern Chile, precisely because the law does not offer them (nor allows them) any other way.

A practical piece of advice: do not call it "Co-ownership Regulation"

Beyond being legally correct, there is a fundamental practical reason to avoid that name: it generates unnecessary confusion with Law 21,442 and the legal expectations that it brings with it (state oversight, registration of administrators, nullity of clauses, etc.), expectations that a private regulation simply cannot fulfill as it is not covered by that law.

More precise names —and more honest with the nature of the document— could be:

General Project Regulation
Conservation and Good Coexistence Regulation
Regulation on Use, Conservation, and Administration of the Project

The most important in legal terms: to whom does the regulation bind?

Here we reach the point where legal theory meets contractual reality, and where many developers fail without realizing it: a private regulation, by itself, does not bind a future buyer.

This is a direct consequence of a basic principle of contract law in Chile: contracts —and an internal regulation is nothing more than a multilateral contract— only create effects between those who sign them (relative effect of contracts). If the regulation is not well "tied" to the property, a second or third buyer of the lot could argue, rightly, that they never accepted it.

For a regulation of this type to be fully enforceable over time —even against future buyers who never met the original developer— legal practice recommends:

That each buyer signs it at the time of acquiring their lot.
That it be notarized.
That it be incorporated as an annex to both the promise of sale and the final deed.
That the deed itself states that the buyer declares to know and expressly accept it.
That the buyer be contractually obliged to require the same acceptance from any future acquirer of the lot (a form of "chain clause", transferring the obligation from generation to generation of owners).

A standard clause that captures this logic —and that is commonly used in these types of projects— would be:

"The buyer declares that they are fully aware of the General Project Regulation [project name], which is an integral part of this sale, obligating themselves to respect it and make it respected by their successors, assignees, tenants, occupants, and any third party using the property."

This contractual technique —combined with the registered easements and prohibitions— is what, in practice, grants a private regulation an equivalent (though not identical) strength to that of a legal co-ownership regulation, without needing (or being able) to resort to Law 21,442.

For high-standard projects: think beyond "basic coexistence"

In higher-value rural projects —focusing on environmental conservation, landscape architecture, and demanding national and international buyers— it makes sense for the private regulation to be more robust than a traditional co-ownership regulation, drawing inspiration from models of private conservation communities that exist in places like Patagonia, Montana, or Colorado (USA), but always compatible with Chilean law. Among the matters worth incorporating:

Mandatory conservation of native forests and wetlands.
Protection of bodies of water (rivers, lagoons) and local wildlife.
Architecture integrated into the landscape and limits on clearing vegetation.
Regulation of fences, pets, and animals.
Use of drones, boating, and water sports (if applicable).
Restrictions on short-term tourist rentals, if the project defines it as such.
Contractual management of private roads and common expenses (never "common expenses" in the legal sense of Law 21,442, but contractually agreed).
Future creation of an Owners' Association.
Procedure for future amendments to the regulation.
Easements and shared infrastructure.
Dispute resolution mechanisms (mediation, arbitration) before reaching courts.

With this approach, the regulation ceases to be a simple set of coexistence rules and transforms into a true long-term protection tool for the project: it protects the value of properties, protects the natural environment that constitutes a significant part of the project's appeal, and provides legal peace of mind to buyers who —rightfully— want to know what rules govern their investment.

Conclusion

A rural project born from a subdivision under D.L. 3,516 of 1980 cannot —not that it "normally does not", but rather that the law prohibits it— be subject to the co-ownership regime of Law 21,442. This does not leave the project in a legal void, but it does require it to construct its framework for coexistence and conservation with private law tools: contractual regulation, registered easements, adherence clauses in the deeds, and, if desired, a contractually-based owners' association.

Doing it right —with the appropriate legal advice— is not only a matter of regulatory compliance, but the difference between a project that preserves its value and environment over time, and one that rests on marketing promises without real legal backing.

This article is for informational purposes only and does not constitute legal advice. References to Law No. 21,442 correspond to the current text published on the official site of the National Congress Library (LeyChile). For the drafting, review, or validation of a regulation of this type, it is recommended to seek the advice of a lawyer specialized in Chilean real estate law.