HDB's focused hotline for **carpark enforcement** is **1800-338-6622**. It is a 24-hour hotline mostly for reporting illegal parking in HDB carparks and repair streets. You can even report illegal parking in the OneService App. For basic enquiries about season parking, you could Get hold of the more info principle HDB Branch Assistance Line at **1800-225-5432**, which operates through typical office several hours. This amount handles questions on year parking applications, renewals, and various linked administrative matters. It is vital to utilize the correct variety for the unique situation to make sure a speedier response.