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Foreign landlords face stamp duty on the lease and IRS on rental income. Knowing what to file, when, and what’s deductible keeps you compliant and protects your net yield.
The problem
Tax obligations are where remote investors quietly lose money — to missed deadlines, overlooked deductions, and confusion over which tax applies when. From abroad, the cost of getting it wrong compounds.
The filings that matter
- Stamp duty on the lease, settled at AT registration.
- IRS on rental income, with deductible expenses.
- Electronic rent receipts as the basis for your declaration.
- Fixed deadlines for IRS filing — penalties apply for delay.
Deductions protect yield
Insurance and eligible costs are often deductible — so protecting your income can also shrink your taxable base. Skipping deductions overpays tax every year.
Frequently asked questions
Do I file Portuguese tax if I’m non-resident?
Rental income arising in Portugal is generally taxable in Portugal; confirm your situation with a local tax adviser.
