Rent Increases in Brazil: Cap on Inflation Adjustments

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.

Disclaimer: This guide provides general legal information for educational purposes only and does not constitute legal advice. Indexing mechanisms are complex and miscalculations can result in legal nullification. Always consult a licensed attorney in Brazil for specific advice. Information last verified: March 2026.

The Annual "12-Month" Increase Rule

Once the initial rent is freely negotiated and signed into a contract, Brazilian law dictates that the rent amount must remain entirely frozen for a strict, unalterable period of 12 consecutive months.

Landlords cannot introduce clauses that trigger a rent increase after 6 months or incrementally throughout the year. Any attempt to periodically escalate the rent outside of the strict annual anniversary is considered legally invalid and abusive.

Mandatory Use of Official Inflation Indices (IGP-M or IPCA)

When the 12-month anniversary arrives, rent cannot simply be increased at the landlord's discretion (e.g., arbitrarily demanding a 15% increase). The adjustment must strictly mirror the deflationary mathematical correction provided by an official Brazilian inflation index.

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. (Increasingly popular recently due to wild fluctuations in the IGP-M).

The rental contract must explicitly state which metric will govern the annual readjustment. The exact percentage published by the index for the preceding 12 months becomes the absolute cap for the increase.

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 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 Articles 19: The Revisional Action (Ação Revisional).

After a lease has been active for three uninterrupted years under its initial terms (with only standard inflation index adjustments), either the landlord or the tenant can petition a civil court to revise the rent to accurately match current market conditions.

If a new subway station is built and property values soar, a landlord can sue after 3 years to force the tenant to accept a massive market-rate increase. Conversely, if the neighborhood degrades, the tenant can sue to slash the rent down to fair market levels. During this lawsuit, a judge will appoint an independent evaluator and may issue an injunction setting an interim "provisional rent" usually at 80% of the requested market value until a final ruling is reached.

Back to Brazil Landlord-Tenant Laws Overview.