Short answer
Yes, you can buy remotely: you'll need a Portuguese NIF (tax number) and a fiscal representative, then a local lawyer or solicitor to handle checks and the promissory contract (CPCV). You can sign documents with a power of attorney (procuração) legalised and translated. Before transferring money, confirm the property's documents and debts, and get independent legal advice — ideally someone who works for you, not the seller.
General information, not legal or tax advice. Rules and amounts change: confirm with official sources.
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Thinking of buying or moving to the Azores?
A renovated 5-bedroom house in Ribeira Grande, São Miguel island, minutes from the beach and local life.