Short answer
The Azores benefit from a regional reduction on IRS rates compared with the mainland, which is one reason residents notice a lower tax burden. The exact percentages and rules can change with each state budget. Confirm current rates with the Portuguese Tax Authority (Autoridade Tributária) or a local accountant before making financial plans.
General information, not legal or tax advice. Rules and amounts change: confirm with official sources.
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A renovated 5-bedroom house in Ribeira Grande, São Miguel island, minutes from the beach and local life.