Portugal's 2026 Rental Law Reform and the New 0% Tax Rate: What Algarve Investors Need to Know

A plain English guide to the new lease rules, the 0% tax route for long term landlords, and how regional yields compare across Portugal

Quick answer: Portugal is changing how rental property is taxed and let. A tax package already in force from September 2026 introduces a full 0% income tax exemption for landlords who sign a three year, affordable rent contract, alongside a separate reform still before Parliament that removes rent caps on new leases and speeds up evictions. Long term rental yields currently range from around 3.8% in central Lisbon to over 6% in parts of the Algarve, the Silver Coast, and Coimbra, and the new tax rules can materially change which of those numbers actually lands in an investor's pocket.

What changed in Portugal's rental law in 2026

In July 2026 the Council of Ministers approved a package that rewrites the rules for new leases, evictions, and long standing rent contracts. It still needs to pass through the Assembly of the Republic, so treat it as the direction of travel rather than settled law. The headline points:

•     New leases: the 2% cap on rent increases when a property is re-let within five years is being scrapped, letting landlords and tenants agree a market rent from scratch. It does not touch rent on existing, ongoing contracts.

•     Deposits and advance rent: landlords will be able to ask for up to three months' rent in advance, up from two, and the two month cap on the security deposit is being removed entirely.

•     Non-payment and eviction: the threshold for terminating a lease for arrears drops from three months to two, and repeated short delays can also now count as grounds for termination. The court process is set to be simplified.

•     Older leases: contracts from before 1990 keep protection, but some can now be adjusted based on the tenant's age and income, and a new Emergency Housing Fund will support vulnerable households facing homelessness or urgent rehousing.

None of this is in force yet. It still has to clear Parliament, and the final published text may differ from what has been announced. This article is informational, not legal advice.

The new 0% tax rate on long term rental income

Separate from the tenancy reform above, and already published as Decree-Law 97/2026, is a tax package aimed squarely at long term landlords. Unlike the eviction and lease rules, this is already law, with most measures taking effect from 1 September 2026.

Under normal rules, rental income earned by individual landlords in Portugal is taxed on a sliding scale tied to contract length: 25% for contracts under five years, 15% for five to ten years, 10% for ten to twenty years, and 5% for twenty years or more. The new decree-law adds two options that sit below that scale.

•     A 10% flat rate on any residential lease at a rent of up to 2,300 euros a month, whatever the length of the contract, running from 2026 through 2029.

•     A full 0% rate, a complete exemption from personal income tax, under the new Simplified Affordable Letting Regime (RSAA). To qualify, the contract must be for permanent residence, the rent must be no higher than 80% of the median rent published for that municipality, and the contract must run for a minimum of three years.

That 0% rate is the headline change. It is a genuine full exemption, not a discount, and it only applies to that specific combination of a capped, affordable rent and a three year minimum term. A one year contract, or a contract at uncapped market rent, does not qualify.

Three year affordable contracts versus one year at market rent

The new rules hand landlords a real decision: sign a three year contract at a capped, affordable rent and pay no tax on the income, or sign a one year contract at whatever the market will bear and pay tax at the standard rate. Neither option is automatically the better one, it depends on the property, the location, and how much the owner values flexibility over certainty.

The three year, tax free route

•     Rental income is fully exempt from IRS, which can outweigh a lower headline rent once tax is factored in.

•     A longer minimum term usually means fewer tenant changeovers and more predictable occupancy.

•     The rent is capped at 80% of the local median, so monthly income is lower than the property could otherwise achieve, and the landlord is locked in for the full three years, with early exit forfeiting the tax benefit.

The one year, market rent route

•     No cap on rent, which matters most in high demand areas where market rent sits well above 80% of the municipal median.

•     More flexibility to sell, move in, renovate, or reprice at the end of each term.

•     Unless the rent happens to fall at or below 2,300 euros a month and qualifies for the 10% moderate rent rate, income is taxed at the standard 25%, the highest rate on the scale.

As a simple illustration: a property let at 1,000 euros a month on a one year contract, taxed at 25%, nets roughly 9,000 euros a year after tax. The same property let at a capped affordable rent of around 850 euros a month on a three year exempt contract nets the full 10,200 euros a year, because none of it is taxed. A lower headline rent can still produce more usable income once tax is accounted for, though the right answer varies property by property and should be checked against the actual local median rent.

Rental yields across Portugal: Algarve, Lisbon, Porto, and beyond

Long term rental yields vary sharply by region, and the gap between the coast and the interior has become one of the more important stories in the Portuguese market.

•     Lisbon: roughly 3.8% to 4.7% gross yield. Rents are the highest in the country, but so are purchase prices, which compresses the percentage return.

•     Porto: roughly 4.9% to 7% gross yield, with lower acquisition costs relative to rental income making it one of the more balanced markets for yield and capital growth.

•     Algarve: roughly 4% to 5.8% gross on long term lets, averaging around 4.7%. It is a two speed market, prime resort areas such as Vilamoura and Quinta do Lago carry premium prices that compress yield, while year round working towns such as Faro and Portimao offer a stronger rent to price ratio.

•     Silver Coast to Coimbra: Leiria and Santarem both sit around 6.1% to 6.5%, and Coimbra itself is at roughly 6.4% to 6.5%, supported by consistent student demand and rents that are still climbing fast off a low base.

•     Interior district capitals: some of the highest headline yields in the country, including Braganca at around 8% and Castelo Branco at 7.9%, though these come with longer vacancy periods and less certainty around long term price appreciation.

These are long term, buy to let numbers, not short term or holiday let returns, which run on a different set of risks and pricing entirely.

What this means for investors eyeing the Algarve in 2026

For buyers focused on the Algarve, the new rules add a genuine third lever alongside location and property type: contract structure. Removing the old 2% re-letting cap gives landlords more room to reset rent to market level between tenancies, which should support returns in exactly the parts of the region where yield is currently most compressed, such as Vilamoura and Quinta do Lago. At the same time, the 0% tax route rewards landlords willing to commit to a three year, affordable rent contract, which can suit owners in year round working towns like Faro and Portimao, where market rent already sits closer to the municipal median.

The two reforms move on different timelines. The tax changes are already law and phasing in from September 2026. The tenancy changes, including the rent cap removal and faster eviction process, are still before Parliament. Any investment or letting strategy built around these rules should be reviewed with a qualified tax and legal adviser before a contract is signed, particularly given how much the right structure depends on the specific property and municipality.

Frequently asked questions

Are Portugal's new rental laws already in effect?

Partly. The tax package, Decree-Law 97/2026, is already published and takes effect for most measures from 1 September 2026. The separate tenancy reform, covering rent caps, deposits, and evictions, is still before the Assembly of the Republic and is not yet law.

What is the new 0% tax rate on rental income in Portugal?

It is a full exemption from personal income tax (IRS) on rental income, available under the Simplified Affordable Letting Regime. To qualify, the contract must be for permanent residence, the rent must not exceed 80% of the median rent published for that municipality, and the lease must run for a minimum of three years.

What is the difference between a 3 year and a 1 year rental contract for tax purposes?

A 3 year contract at a capped, affordable rent can qualify for a full 0% tax exemption. A 1 year contract at uncapped market rent does not qualify for that exemption and is taxed at the standard rate of 25%, unless the rent happens to fall at or below 2,300 euros a month, in which case a flat 10% rate applies regardless of term length.

Is the Algarve a good long term rental investment in 2026?

Long term gross yields in the Algarve currently average around 4.7%, ranging from roughly 4% in premium resort areas to closer to 5.8% in year round working towns such as Faro and Portimao. The new tax and lease rules add extra ways to structure a purchase for better after tax returns, particularly in areas where market rent sits close to the municipal median.

Is Central Portugal, from the Silver Coast to Coimbra, a good rental investment?

Yes, on a long term letting basis. Gross yields along this corridor run from around 6.1% to 6.5%, higher than Lisbon or the Algarve, supported by steady demand from locals, expats, remote workers, and, in Coimbra, one of Portugal's largest student populations.

This article is for general information only and does not constitute legal, tax, or financial advice. Portugal's rental reform is still moving through Parliament and the tax rules may be refined through further guidance. Figures on prices and yields are current market averages and will continue to shift.

About the Kaya Team

The Kaya Team is a premier, multidisciplinary real estate and relocation advisory group specializing in the premium Algarve property market. Combining deep local market intelligence with an institutional network of cross-border legal and tax specialists, we provide end-to-end, tailor-made solutions for international executives, investors, and families looking to secure a legacy in Portugal.

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