Seeki.eu lists 9,000+ properties for sale and 2,000+ to rent in Hesse.
The median asking price is €470,000, or €4,820 per m² on a typical 92 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 €1,095 a month, across apartment rentals that publish both a price and a floor area.