Estamos abiertos would be the best way to say "We are open" in Spanish.
house = casa
'in-house' - interior, interno/a
el casa = a house
"hen house" translates to, "gallinero" in Spanish.
en la casa del mayordomo is the spanish for at the butler's house
old house = casa vieja.
está abiertoestá=he/she/it isabierto=open
A beautiful house in Spanish is "Una casa hermosa".
abrir esto
hizole los abre.
Inscripción abierta