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Portugal IMI Property Tax Calculator
Work out IMI on your home: tax value × municipal rate (0.30–0.45%), the IMI familiar discount (€30, €70 or €140) and how many instalments.
Does your municipality apply IMI familiar? (your own home)
IMI to pay a year
360,00 €
| VPT × rate | 360,00 € |
| Payment | 2 × 180,00 € (maio, novembro) |
IMI familiar: €30 with 1 dependant, €70 with 2, €140 with 3+, where the municipality adopts it. Some first homes get a temporary exemption: see the Portal das Finanças.
Checked: October 2026. Not legal, tax or financial advice. 🔒 Everything stays on your device.
✅ Rules last checked:
📚 Official sources: Portal das Finanças
We build every tool from the official rules and re-check them when they change. Always confirm with the official source before you rely on a result.
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Questions people ask
When is IMI paid?+
Up to €100: in May. €100–€500: May and November. Over €500: May, August and November.