Rental Income Tax Calculator — the 2026 10% Rate
Portugal cut the IRS rate on residential rents from 25% to 10% for "moderate rents" (Decreto-Lei n.º 97/2026, under the 2026 State Budget package). If your rent is at most €2,300/month and the contract runs 3+ years, see exactly what you save — including on contracts that already exist.
The monthly rent in the contract (the "renda moderada" ceiling is €2,300).
The 10% rate requires a duration of at least 3 years.
Enter a valid monthly rent and contract duration to see your result.
How it works
- 1Enter the monthly rent and the contract duration.
- 2We compare the IRS due at the standard 25% autonomous rate with the reduced 10% rate for moderate rents.
- 3You see the annual saving and the total through 2029 — plus exactly which legal conditions apply.
Frequently Asked Questions
What are the conditions for the 10% IRS rate on rents?
Does the 10% rate apply to contracts that already exist?
What happens if my rent is above €2,300 per month?
Until when is the 10% rate in force?
Legal sources
Every figure in this calculator is taken from the published law — never estimated.
Reduces the IRS/IRC rate on residential rents up to €2,300/month to 10%, for 3+ year contracts, covering income through the end of 2029. Applies to new and existing contracts.
The parliamentary authorization for the 2026 housing tax package implemented by DL 97/2026.
The standard 25% autonomous IRS rate on residential rental income (Category F) used as the comparison baseline.
Grants duration-based reduced rates for long contracts — the reason the saving shown for 5+ year contracts is measured against the standard 25% rate.
Legal facts verified: 2026-06-10
This tool is for informational purposes only and is not tax or legal advice. Figures are a simulation based on the inputs you provide. For advice on your specific situation, consult a certified accountant or a Portuguese lawyer.
Try the other calculator
Rent Update Calculator — INE Coefficient
Calculate the maximum legal rent update in Portugal with the official INE coefficient — 1.0224 for 2026 (Aviso n.º 23174/2025/2). Includes previous years, the rounding rule and the 30-day notice requirements. Free.