French phrase
Le commissariat est-il ouvert ~ ?
Meaning
Is the police station open at ___?
When to use it
This asks if the police station is open at a given time. It is neutral and practical.
Example dialogue
Le commissariat est-il ouvert à cette heure ?
Is the police station open at this hour?
Non, il est fermé pour l'instant.
No, it is closed for now.