Rent Increase Laws in Brazil: Annual Adjustments

You can't unilaterally hike the rent whenever you feel like it in Brazil. Under the primary governing law, the Lei do Inquilinato (Law No. 8.245) and Law 10.192/2001, automatic adjustments can only occur once a year. However, the law allows for flexibility if both parties agree to changes outside of the standard cycle.

Brazil's approach to rent increases differs significantly from the free-market approaches in many Western nations. Born out of decades of economic history battling hyperinflation, Brazilian civil law strictly regulates when and how landlords can adjust rental prices throughout the life of a contract.

The Annual "12-Month" Increase Rule

Under Art. 2, §1 of Law 10.192/2001 (the Plano Real Law), automatic adjustment clauses (indexation) must have a minimum periodicity of 12 consecutive months. Any contract clause that triggers an automatic rent increase at a shorter interval is considered null and void.

However, the rent is not strictly "unalterable" during this period. According to Article 18 of Law 8.245/1991, it is lawful for the landlord and tenant to fix, by mutual agreement, a new value for the rent at any time, as well as to insert or modify the adjustment clause.

Use of Official Inflation Indices

When the 12-month anniversary arrives, automatic adjustments must mirror the monetary correction provided by an official Brazilian inflation index. The rental contract must explicitly state which metric will govern this annual readjustment.

The two most common indices are:

1. IGP-M (General Market Price Index): Traditionally considered the "rent inflation index" computed by the Getulio Vargas Foundation.
2. IPCA (Broad National Consumer Price Index): The official government retail inflation index.

While the index percentage published for the preceding 12 months serves as the standard for automatic updates, it is not an absolute cap for all scenarios. As established in Art. 18, parties remain free to negotiate any value if they reach a mutual agreement. For 2026, contracts using the IPCA benchmark will typically see a 4.26% adjustment (reflecting the final 2025 IPCA figure), whereas IGP-M adjusted contracts will vary based on wholesale volatility.

Strict Bans on Foreign Currency and Minimum Wage Links

For foreign investors and expatriates renting property in Brazil, the most critical restriction under the Tenancy Law (Art. 17) and the Plano Real is the absolute prohibition of tying rent to foreign currencies.

You cannot legally stipulate that a tenant pays "$1,500 USD equivalent in Brazilian Reais" or state that "rent will adjust dynamically according to the dollar exchange rate." Any contract clause indexing the rent to the Dollar, the Euro, or the Brazilian Minimum Wage is legally null and void. The rent must be established as a fixed nominal value exclusively in Brazilian Reais (BRL).

Revisional Actions: Adjusting to Fair Market Value Every Three Years

Because inflation indices do not always reflect actual neighborhood real estate booms (or busts), the Tenancy Law provides a safety valve in Article 19: The Revisional Action (Ação Revisional).

After a lease has been active for three uninterrupted years under its initial terms (or since the last agreement), either the landlord or the tenant can petition a civil court to revise the rent to accurately match current market conditions.

In a revisional action, the judge may set a provisional rent (Art. 68, II) while the case is pending:

• If requested by the landlord: The provisional rent cannot exceed 80% of the amount they are requesting.
• If requested by the tenant: The provisional rent cannot be less than 80% of the current rent.

During this process, a judge will typically appoint an independent evaluator to determine the fair market value until a final ruling is reached.

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