These are the principal streets: Avenida Del Mirador, Calle De Las Mariñosas, Calle De Las Alacunas, Calle Mayor, Calle El Algar.
In term of restaurants you can find 1 places (like "Restaurante El Mirador"). For bars/cafes you have 1 places with "El Refugio" for example.
You can find 1 town halls locally like "Ayuntamiento de Hoz de Jaca"
Are you looking for an apartment for sale/rent? Or interested by a house? You can check that on FotoCasa.
Closest cities