Seeki.eu lists 15+ properties for sale and 9+ to rent in Quarto.
The median asking price is €248,500, or €2,014 per m² on a typical 155 m², across sale listings that publish both a price and a floor area.
On the rental side, the median asking rent for an apartment is €1,050 a month, across apartment rentals that publish both a price and a floor area.
