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How to Start an AL Rental Business in Portugal (2026)

By GrowIN Portugal · 11 min read · Company · Updated August 2026

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In short — as of August 2026: Alojamento Local (AL) is Portugal's short-term rental licence, obtained via a prior notification on the Balcão Único Eletrónico, which issues a registration number (NRAL) once the local council doesn't object within 60 days (90 in containment zones). After the 2023 Mais Habitação package froze new registrations in pressure areas and imposed a 15% extraordinary contribution (CEAL), Decreto-Lei 76/2024 reopened new AL registrations and revoked CEAL retroactively to 31 December 2023. Since early 2025, municipalities have broad new powers to cap or condition AL locally without banning it outright, and condominiums can still object to new apartment registrations, with the mayor deciding. IRS taxes 35% of gross AL income under the simplified regime (0.50 in containment zones); IVA applies at 6% above the exemption threshold. A realistic well-run one-bed apartment nets roughly €700–€900/month after all costs — regulation risk, not profitability, is the main thing to plan around.

What Alojamento Local actually is

Alojamento Local is the legal category for short-term paid accommodation that doesn't meet the requirements of a formal empreendimento turístico (hotel, resort, etc.) — houses, apartments, guesthouse-style establishments (estabelecimentos de hospedagem) and rooms. Anyone renting out a property to guests for under 30 consecutive days, for payment, needs an AL registration number, whether the property is listed on Airbnb, Booking.com, or rented directly. Without it, the activity is illegal and the platforms themselves are required to display your registration number — meaning unregistered listings are conspicuous, not hidden.

The regulatory rollercoaster — what actually changed

AL has been Portugal's most politically contested small-business category for the last three years. What matters is where things stand now, not where they stood in 2023.

  • 2023 — Mais Habitação. The PS government's housing package froze new AL registrations in "pressure areas" (much of Lisbon, Porto and other high-demand municipalities), added a review mechanism for existing licences, and created the Contribuição Extraordinária sobre o Alojamento Local (CEAL) — an extraordinary 15% levy on short-term rental income, aimed largely at the coast.
  • 2024 — Decreto-Lei 76/2024. The Montenegro government reversed course, reopening new AL registrations nationally and — signed into law by the President — repealing CEAL with retroactive effect to 31 December 2023, so owners no longer owe it at all. The reform also dropped the "age coefficient" that had inflated IMI calculations for AL properties.
  • Since early 2025. Municipal councils gained broader powers to set their own capacity limits and operating conditions for AL, without necessarily banning it outright. This is what matters most in practice now: Lisbon's municipal assembly has used similar powers before to suspend new licences in specific zones, and other councils actively use containment/absorption zoning to control density.
  • 2026 and beyond. The EU is working toward a harmonised short-term-rental registration and data-sharing framework, targeted for around May 2026 — expect more standardised reporting, not a loosening of oversight.

The honest summary: registration itself is open again nationally, the punitive CEAL tax is gone, but local, not national, rules are now the binding constraint — and those rules are set council by council and can tighten with little notice.

Containment zones and municipal limits

"Containment areas" (zonas de contenção) or "absorption zones" are where councils actively manage AL density — sometimes freezing new registrations altogether, sometimes capping them per building or street, sometimes just extending the council's objection window to 90 days. This is the single most important thing to check before you buy or lease a property for AL: national legality tells you nothing about whether your specific parish or building is currently accepting new registrations. Historic centres in Lisbon and Porto are the most likely to be constrained; check directly with the relevant câmara municipal before committing.

If the property is an apartment inside a residential building (not a standalone house), unanimous consent from the condominium is generally required to register it for AL use, and condominium associations can object to an existing AL operation on grounds of serious, repeated disturbance. The final call rests with the mayor, who can push mediation rather than cancel the registration outright — but a condominium that doesn't want tourists in the building is a real obstacle, not a formality. Survey co-owners informally before making an offer on a flat you plan to run as AL. Hostels separately need condominium meeting minutes as part of the registration file.

AL modalities and capacity limits

  • Moradia (house) and apartamento (apartment) — the two most common categories for individual owners.
  • Estabelecimentos de hospedagem (guesthouse-style, including Hostel and Bed & Breakfast designations) — taxed under a more favourable IRS coefficient but with extra requirements (compulsory breakfast for B&B-designated units, condominium minutes for hostels).
  • Quartos (rooms within an owner-occupied home) — a lighter-touch category for renting individual rooms.

For houses and apartments, capacity is capped at 9 bedrooms and 30 guests. Rooms have minimum size requirements (6.5 m² single, 9 m² double, 12 m² triple), at least one bathroom per four rooms or ten guests, and mandatory basics: a first-aid kit, and — for properties hosting up to 10 guests — a fire extinguisher and fire blanket with the emergency number (112) clearly displayed.

Registering: the steps and documents

  1. Submit prior notification via the Balcão Único Eletrónico (eportugal.gov.pt), alongside your início de atividade declaration with the Tax Authority.
  2. Gather your documents: owner ID (or company access code), a declaration of responsibility confirming the property meets legal requirements, the caderneta predial urbana, a rental agreement authorising AL use if you're not the owner, proof of início de atividade, and — for hostels — condominium approval minutes.
  3. Wait out the council's objection window — 60 days standard, 90 in containment zones. No objection means the registration number (part of the RNAL, the national register) is issued and becomes your valid title to operate and advertise.
  4. Submit your civil liability insurance certificate before starting activity, and whenever you renew or change the policy.
  5. Keep your registration current — any change to the property or activity details must be reported within 10 days.

Registration itself carries no fixed government fee, but budget for the civil liability insurance, any property upgrades needed to meet the physical standards above, and — realistically — professional help if your condominium or council situation is complicated. Most individual owners register in their own name rather than through a company; if you're planning multiple units or a larger operation, it's worth comparing the two routes in our sole trader vs company guide and cost of starting a business in Portugal.

Taxation — what you actually keep

Most individual AL hosts declare income under IRS Category B (business/professional income):

  • Simplified regime: only 35% of gross AL income from a house or apartment is taxable (coefficient 0.35), or 15% for guesthouse-style establishments (coefficient 0.15) — but this rises to a 0.50 coefficient in municipal containment zones, a meaningful penalty for operating exactly where demand is highest.
  • Alternative — Category F: some owners can instead declare AL income as property income, either aggregated with other income or taxed at a flat 28% rate — worth comparing against the Category B route with an accountant, since the better option depends on your total income picture.
  • IVA: AL is subject to the reduced 6% VAT rate (5% Madeira, 4% Azores), above the general Article 53 exemption threshold (turnover under €15,000/year in 2026).
  • IMI: ordinary municipal property tax still applies to the property; the AL-specific "age coefficient" penalty was removed by the 2024 reform, but the additional IMI (AIMI) on higher-value property portfolios is unaffected and isn't deductible against AL income under the simplified regime.

This is genuinely one of the more complex small-business tax situations in Portugal because of the containment-zone coefficient and the Category B/F choice — budget for proper accounting help rather than filing it yourself in year one.

Projected income and occupancy — a realistic example

ItemMonthly figure
Nightly rate (ADR)€70
Occupancy65% (~20 nights/month)
Gross booking revenue€1,390
OTA commission (blended Airbnb/Booking, ~8%)−€111
Cleaning, linen, turnover costs−€150
Utilities (electricity, water, high-speed internet)−€120
Condominium fees−€60
AL civil liability insurance−€20
Maintenance & guest consumables−€60
Net operating income (pre-tax)≈€869/month
IRS (Cat B simplified, 0.35 coefficient on gross, progressive scale)−€120 to −€180 (varies)
Realistic net take-home≈€700–€750/month

This assumes self-management. Hand the property to a professional AL management company and expect them to take roughly 15–25% of gross revenue, which typically pushes net take-home closer to €450–€550/month unless the higher occupancy or nightly rate they achieve fully offsets their fee — model both scenarios before deciding.

Case study. Miguel, 41, bought a one-bedroom apartment in Porto's Bonfim neighbourhood in 2024 for €165,000, outside any containment zone, and registered it for AL the same year. In a strong 2026 season he's averaging 64% occupancy at a €72 nightly rate, self-managing with a local cleaner on a per-turnover basis. After OTA fees, cleaning, utilities, condo fees and insurance, he nets around €740/month before IRS — solid, but well short of what online "passive income" calculators promised him when he bought the flat, and it doesn't account for the mortgage he's still paying down or the weeks he spends personally handling maintenance issues.

Watch Out For

  • Assuming national reopening means your building qualifies. DL 76/2024 reopened registrations nationally, but your specific parish or street may sit in a containment zone with a frozen or capped quota — check with the câmara before signing anything.
  • Underestimating condominium risk. A single hostile co-owner can block or contest a registration; survey the building informally before you commit.
  • Overestimating occupancy. 65%+ is realistic in strong Lisbon/Porto/Algarve locations in season; secondary cities and off-peak months routinely run 35–45%, which roughly halves your net.
  • Missing the containment-zone tax penalty. The 0.50 IRS coefficient in containment areas materially changes your after-tax numbers versus the standard 0.35 — factor it in before buying in a prime, contested zone.
  • Treating CEAL's repeal as the end of the story. The extraordinary tax is gone, but municipal powers to cap and condition AL are new since 2025 and actively being used — regulation risk didn't disappear, it moved from national tax policy to local licensing policy.
  • Forgetting the civil liability insurance step. Registration isn't fully valid for operating until the insurance certificate is submitted — an easy step to overlook after the paperwork rush of registering.
  • Not budgeting real cleaning and turnover time, especially for short stays — this is the cost hosts consistently underestimate versus a long-term rental.

The candid verdict

AL in Portugal in 2026 is workable, and the regulatory environment is genuinely more open than it was in 2023–2024 — but "more open nationally" doesn't mean "open where you want it." The real risk isn't the AL regime itself, it's buying a property before confirming your municipality's current stance, and underestimating how much a hostile condominium or a containment-zone tax coefficient eats into returns. On the numbers, a well-located, well-managed unit nets around €700–€900/month self-managed after realistic costs — respectable extra income on a paid-off or lightly-mortgaged property, not a path to early retirement, and considerably less with a mortgage or professional management fees factored in. It suits owners with a good location outside contested zones, willing to self-manage seriously or accept a thinner margin under management. It suits far fewer people as a first Portuguese investment bought sight unseen — verify the parish's containment status and survey the condominium before you buy, not after. If you're weighing AL against declaring the activity as a straightforward self-employed sole trader, see operating as a freelancer in Portugal; our 10 business ideas to start in Portugal guide is worth reading before committing capital to any single model.

Frequently asked questions

Yes, there's no blanket restriction — but each unit needs its own registration matching its actual use, and a mixed-use building raises the odds of condominium friction over AL specifically.

No fixed expiry, but you must keep details updated within 10 days of any change, submit renewed insurance proof when your policy changes, and formally communicate if you stop operating — an inactive, unreported registration can still expose you to compliance checks.

Not automatically — most hosts declare it as Category B business income (simplified regime coefficients above), though a Category F flat-rate alternative exists for some owners; the two produce different tax bills depending on your income level, so this is worth confirming with an accountant before your first filing.


Weighing AL against setting up a proper hospitality or property-management company in Portugal? Our company setup service can structure the right entity around your investment before you register a single property.

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