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The figures side by side

MeasureCastro Marim
Price per m²—
Change in a year—
Change in five years—
Affordability
Payment, two incomes42%
Payment, one income85%
Buy or rent
Rent per month€826
Owning per month€856
New homes
Licensed, 12 months64
Per 1,000 residents8.5
Foreign buyers
Abroad against residents−12.6%
People and new homes
New residents per new home, 20252.6
Population change, 2025+36
Empty homes
Empty, 2021 census9.7%
Empty homes821
Renovation
Work on existing buildings, 20256%
Reconstructions per 100 new buildings6.7
Public housing works
Signed in 2017€295.7K
Per resident, 2017€39

Each place's own figures where it has them; a dash means there is none. Prices are asking prices where a place has them, and bank valuations otherwise.

Every report

Affordability

  • Castro Marim

    At the median sale price, a 90 m² home costs €243,900. With 10% down and a 30-year mortgage, the payment is €925 a month. Banco de Portugal caps it at 50% of a household's net income.

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Buy or rent

  • Castro Marim

    Owning and renting a 90 m² home cost about the same each month. Owning counts interest, running costs and the return the deposit could earn, at the median sale price. Repaying the loan is saving, so it is left out.

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New homes

  • Castro Marim

    117.6% more homes were licensed for construction in the last 12 months than in an average year of the past decade.

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Foreign buyers

  • Castro Marim

    Over the last 12 months, buyers domiciled abroad paid 12.6% less per m² than buyers living in Portugal.

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People and new homes

  • Castro Marim

    In 2025 the population grew by 36 while 14 homes were finished: 2.6 new residents for every new home.

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Empty homes

  • Castro Marim

    9.7% of the 8,507 homes counted in the 2021 census stood empty, whether for sale, to let or for other reasons.

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Renovation

  • Castro Marim

    In 2025, 6% of the buildings finished were work on existing buildings: extensions, alterations and reconstructions.

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Public housing works

  • Castro Marim

    Public bodies signed €295.7K of housing works here in 2017, and €335.6K since 2012.

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