Living in a Condomínio in Portugal in 2026 — A Practical Guide to Propriedade Horizontal, the Assembleia de Condóminos, the Administrador, the Permilagem and Quotas, the Fundo Comum de Reserva and Your Rights as an Owner

Buy an apartment in Portugal and you buy into a condomínio — the legal community of everyone who owns a unit in the building. Your front door and the space behind it are yours; the roof, the stairwell, the lift, the façade and the foundations belong to all the owners together. How that shared ownership is run — who decides on repairs, who collects the money, how much you pay and what happens if a neighbour doesn't — is set out in Portuguese law, and it catches out plenty of foreign buyers who assumed a building "management company" would simply handle everything. This guide walks through how a condomínio actually works in 2026.

This is general information, not legal advice; for a specific dispute or contract, consult a Portuguese lawyer or solicitador.

The legal framework: propriedade horizontal

Apartment ownership in Portugal is governed by the regime of propriedade horizontal (horizontal property), set out in the Código Civil (Civil Code), articles 1414 to 1438-A, and fleshed out by Decreto-Lei 268/94. Both were substantially updated by Lei 8/2022, in force since April 2022, which is the reform that shapes today's rules on selling with debts, the powers of the manager and the enforcement of unpaid fees.

The founding document of any building is its título constitutivo da propriedade horizontal (the deed that constitutes the horizontal property). It lists each fração autónoma (autonomous fraction) — your apartment, a shop, a garage space — and fixes each one's share of the whole. Everything not assigned to a single fraction is a parte comum (common part): by law the soil, foundations, structural walls, roof and terraces, entrances, stairs and corridors, and the general water, electricity, gas and communications installations are common, and lifts, courtyards and parking areas are presumed common too.

Permilagem: your share of everything

Each fraction is given a permilagem — its relative value expressed in thousandths (or a percentage) of the total building value, fixed in the título constitutivo. This single number does double duty. It sets how much you pay: contributions to the upkeep and use of the common parts are shared in proportion to the value of each fraction. And it sets how much you weigh in decisions: voting in the owners' assembly is weighted by permilagem, not one-vote-per-owner, so the owner of a large fraction carries more say than the owner of a studio. (The building's rules can, if approved without opposition, split certain shared-service costs equally or by use rather than strictly by permilagem.)

The assembleia de condóminos: where decisions are made

The assembleia de condóminos (owners' assembly) is the decision-making body of the condomínio. By law it must meet in ordinary session at least once a year, in the first fortnight of January, to approve the previous year's accounts and the coming year's budget — although Lei 8/2022 now lets a building hold that meeting later in the first quarter if its rules or a majority allow. Extraordinary assemblies can be called at any time.

The assembly is normally convened by the administrador, but if the manager fails to act, owners representing 25% of the building's total value can call one themselves. Convocation is by letter, or by email for owners who have opted in. Decisions generally need a majority of the value present (the invested capital), measured in permilagem. If the first meeting cannot reach a quorum, a second assembly is deemed convened for a week later and can decide with owners representing at least a quarter of the total value.

The administrador: the building's manager

Day-to-day running falls to the administrador de condomínio, elected — and, if need be, dismissed — by the assembly. The role can be filled by one of the resident owners or contracted out to a professional management company, and it may be paid. The default term is one year, renewable. If the owners fail to elect anyone, a court can appoint an administrator on the request of any owner.

Since Lei 8/2022, the administrator's duties are spelled out more firmly. They must convene and carry out the assembly's decisions, manage the common services, keep the accounts, collect each owner's fees (with legal interest and any penalties on late payers), verify that the reserve fund exists, keep the mandatory insurance in place, and obtain three quotes before commissioning major or non-routine works. The administrator represents the condomínio in court, and the law makes clear they can be held civilly liable for failures in the role.

Quotas: paying your condominium fees

Your quota de condomínio is your share of the building's annual budget, set by the assembly and apportioned by permilagem. Paying it is a legal obligation, not an optional service charge — and Portuguese law gives the condomínio real teeth against those who don't.

The ata (minutes) of the assembly that approves the yearly contributions, stating each owner's amount and due dates, is itself a título executivo — an enforcement title. That means the administrator can take a defaulting owner straight to enforcement proceedings to recover the debt, plus interest at the legal rate and any approved penalties, without first having to win a separate court case to establish that the money is owed. Under the 2022 rules the administrator is, as a rule, expected to act within 90 days of a first default. Chronic non-payment is one of the most common sources of condomínio conflict, and the law is deliberately weighted toward getting the building paid.

The fundo comum de reserva

Every condomínio must build a fundo comum de reserva (common reserve fund) to pay for conserving the building. The law requires each owner to contribute at least 10% of their ordinary annual quota to this fund, which is held in a bank account and administered by the assembly. If the money is ever spent on something other than conservation by a decision of the owners, it has to be replenished within a year. In practice the reserve fund is what a well-run building draws on when the roof or the lift needs work, rather than hitting owners with a sudden extraordinary levy.

Mandatory fire insurance

Each owner is legally obliged to insure their fraction — and its share of the common parts — against fire, and the building's fire insurance must be updated annually. The assembly sets the update; if it doesn't, the administrator applies the index published by the insurance regulator, the Autoridade de Supervisão de Seguros e Fundos de Pensões (Insurance and Pension Funds Supervisory Authority, or ASF). Many owners fold this into a broader multi-risk home insurance policy, but the fire cover is the part the law actually requires.

Buying or selling a fraction: the debt declaration

One of the most important changes in Lei 8/2022 protects buyers. Before selling an apartment, the owner must ask the administrator for a written declaration of all charges and debts on the fraction; the administrator must issue it within 10 days, and it is now a required document for the deed. The seller stays responsible for debts that fell due before the sale, unless the buyer expressly waives the declaration and takes them on. The practical lesson for anyone buying an apartment: insist on seeing that declaration, because unpaid condomínio charges can otherwise follow the fraction.

When you disagree: challenging a decision

If the assembly passes something you believe breaks the law or the building's own rules, you are not simply stuck with it — but the deadlines are tight. An owner who did not approve a resolution can, within 10 days, demand that the administrator call an extraordinary assembly to reverse it, and within 30 days can take the dispute to an arbitration centre. A court action to annul the decision must be filed within 20 days of that extraordinary assembly or, if none was requested, within 60 days of the original resolution. Smaller money disputes — such as unpaid quotas or minor damage claims — can also go to the Julgados de Paz, the small-claims peace courts, as a cheaper alternative to the ordinary courts.

What This Means for You

• You are a member, not a customer: owning an apartment makes you part of the condomínio, with a legal duty to pay your quota and a weighted vote in its decisions — a management company, if there is one, works for the owners, not the other way round.
• Go to the January assembly: the budget, your fees and any major works are decided there, and your permilagem is your voice. Not turning up means others set your bill.
• Before you buy, get the debt declaration: ask the seller for the administrator's written statement of charges on the fraction — it is now a required document, and it shields you from inheriting someone else's unpaid fees.
• Keep your fire insurance current: it is legally mandatory on your fraction, separate from any wider home policy you choose to hold.
• Know the clock on disputes: if a decision is unlawful, act within days, not weeks — the windows to challenge it are short.

Portugal's condomínio rules can feel bureaucratic, but they exist to keep a shared building solvent and well-maintained when dozens of separate owners have to agree on how to spend a common purse. Reading your título constitutivo, showing up to the assembly and paying your quota on time will spare you almost every problem the system is designed to prevent. For the wider context, the Government has also been drafting new accountability standards for condominium managers.