Condominium Property Regime in Mexico: What It Means

When you buy an apartment or a house inside a gated development, you are not just acquiring four walls: you are joining a legal structure known as the condominium property regime (régimen de propiedad en condominio). Understanding it thoroughly helps you know what is yours, what you share with your neighbors, and what obligations you take on. In this guide we explain, from a general Mexico-wide perspective, how this regime works and what to check before you sign.

What is the condominium property regime?

The condominium property regime is the legal structure that allows several people to each be the exclusive owner of one part of a building (their apartment or house) while also being co-owners of the spaces shared with the other unit owners (condóminos). In general terms, this is governed by each state's condominium property laws, so the specific rules may vary depending on the state and municipality where the property is located.

This regime usually applies both to vertical condominiums (apartment buildings, where units are stacked on different floors) and horizontal condominiums (groups of houses that share streets, perimeter walls or entrances), and even to mixed schemes. You can see examples of housing under this structure in our apartments section.

Private areas vs. common areas

Telling private areas from common ones is the foundation for understanding what you are buying and what you maintain together with your neighbors.

Private areas (áreas privativas)

These belong to you exclusively. They generally include the interior of your apartment or house and, depending on what the deed says, certain assigned accessories. Over them you have the right to use, enjoy and dispose of the property, always respecting the condominium's bylaws.

Common areas (áreas comunes)

These are the spaces and facilities for collective use. The exact list depends on each condominium and its deed, but they usually include elements such as the following:

• Entrances, hallways, stairways and elevators.
• Visitor parking and internal roads.
• Green areas, gardens and play areas.
• Amenities such as a pool, gym or multipurpose room.
• General facilities: cisterns, pumps, ducts and load-bearing walls.

One important point is that parking spaces and storage rooms may be private or common areas for exclusive use, depending on how the deed defines them; it's worth confirming this case by case.

The indiviso: your share of the common areas

The indiviso (or indiviso percentage) is the proportion you hold in the condominium's common areas. It is not a physical space you can point to, but a fraction that is usually calculated based on the value or floor area of your unit relative to the whole development.

This percentage has very concrete practical effects: it typically determines how much you pay in maintenance fees and how much weight your vote carries in assembly decisions. That's why it's worth checking the indiviso assigned to the unit you're interested in before buying.

Constitutive deed and internal bylaws

Two documents govern life in any condominium: the constitutive deed and the internal bylaws. Knowing them gives you certainty about your rights and obligations.

Condominium constitutive deed (escritura constitutiva)

This is the notarial document that gives the condominium its legal origin. In general terms, it usually contains the description of the property, the list of private units, the definition of the common areas, the indiviso percentages and the basic rules of coexistence. It is recorded with the corresponding Registro Público de la Propiedad (Public Property Registry) and is the main reference in case of any doubt or dispute.

Internal bylaws (reglamento interno)

The bylaws cover the condominium's day-to-day life: amenity hours, pet rules, use of parking areas, noise, work inside units, penalties for non-compliance and other coexistence guidelines. They can be updated as the applicable regulations and assembly decisions allow, so it's best to request the current version.

Assembly, administrator and fees

A condominium works like a small organized community. These are the three pillars of its governance.

The owners' assembly (asamblea de condóminos)

This is the highest decision-making body. In it, owners meet to approve budgets, set fees, authorize works, appoint the administrator and resolve important matters. The weight of each vote is usually tied to the indiviso, and decisions are made according to the majorities set by the applicable law and bylaws. Assemblies can be ordinary or extraordinary depending on the topic to be addressed.

The administrator

This is the individual or company responsible for carrying out the assembly's decisions and handling daily operations: collecting fees, contracting services, maintaining common areas and reporting on finances. It can be a unit owner or an outside management company. Their performance and transparency directly affect the quality of life in the development.

The fees

Fees are the periodic contributions that sustain the condominium. Two types are commonly distinguished:

• Maintenance fee: covers ordinary operations (cleaning, security, landscaping, shared services).
• Extraordinary fee: approved for non-recurring expenses, such as major repairs or improvements.

The amount is usually divided according to each unit's indiviso. If you want to dig deeper into how fees are calculated and what they cover, check out our guide on the condominium maintenance fee.

What to check before buying in a condominium

Whether you're looking in a horizontal or vertical condominium, it's wise to do an orderly review before committing. These points help you avoid surprises:

1. Request and read the constitutive deed and the current internal bylaws.
2. Confirm the unit's indiviso percentage and which areas are private.
3. Verify the amount of the maintenance fee and whether any extraordinary fee is currently in effect.
4. Ask for a certificate of no outstanding balance (constancia de no adeudo) for the unit you're interested in.
5. Review recent assembly minutes to spot conflicts or upcoming special assessments.
6. Ask who the administrator is and how financial reporting is handled.
7. Look at the actual condition of the common areas and amenities.

In horizontal condominiums, pay attention to roads, perimeter walls and shared services; in vertical ones, also check elevators, cisterns and the building facade, which tend to involve costly maintenance. Before closing, it's advisable to estimate what the property is really worth with our tool to calculate its value, and compare options in the property search.

Frequently asked questions

Can I sell my apartment without the condominium's permission?

In general, yes, since your private unit is your property. However, it is common to be asked to show that you're up to date on your fees and to comply with what the deed and bylaws state. It's wise to verify the specific rules of your condominium.

Am I required to pay maintenance fees?

Yes. Fees are an obligation arising from the condominium regime, and failing to pay can result in late charges and even collection actions. Their amount and frequency are approved by the assembly in accordance with the applicable regulations.

Does the difference between horizontal and vertical condominiums affect my obligations?

Both are governed by the same type of regime, but the common areas involved change. In a vertical one, elevators and the building's structure weigh heavily; in a horizontal one, streets and walls do. This can influence the type and amount of shared expenses.

Can I remodel inside my unit?

Typically you can modify the interior of your private area, as long as you don't affect structural elements or common installations and don't violate the bylaws. For significant work, notice or authorization is usually required; check before starting.