Aluseg
How BAS Works: The Tenant and Landlord Desk
What the BAS (formerly the BNA) is and how it handles evictions in Portugal. Required documentation and how to avoid...
Practical guides & articles
Everything you need to know about renting in Portugal — from the writing of your first lease to the understanding of the NRAU — written in simple language by leasing specialists.
- Investment & Expat Hub
- Landlord Practical Guides
- Lease agreements
- Payment issues
- Regulatory News & Compliance
- Rent information
- Rental Insurance
- Tax information
- Tenant information
- Tenants
- Tools documentation
Contract Registration with the Tax Authority: Legal Deadline Explained
Report the lease to the Tax Authority (AT) by the end of the month after it starts. How to do...
Issuing an Electronic Rent Receipt: Tax Authority Portal Guide
How to issue electronic rent receipts on the Tax Authority Portal step by step: who is obligated, deadlines, amendments, and...
Stamp Duty on Rentals: 10% Rate, When and How to Pay
Stamp duty on rentals: 10% on one month’s rent, paid once upon registering the contract with the AT. Who pays,...
Short-term leases in Portugal: rules, contract and how they differ from Alojamento Local (2026)
A short-term lease and Alojamento Local are not the same. See when a lease can run under 1 year, what...
Condominium: Charges, Rules, and Disputes for Landlords
What landlords need to know about condominium costs: charges, fees, the rules in the building regulations and how to avoid...
Free tools
From reading to doing
Lease agreement
A free NRAU-compliant generator, ready to sign.
Generate the leaseRent simulator
A market estimate by location, property type and size.
Estimate the rentRent update
2026 and 2027 coefficients and the tenant letter.
Calculate the updateTenant solvency
Effort rate and risk of default.
Assess the applicantTenant Passport
Documents and income in one link. Free.
Create the Passport