HDB's focused hotline for **carpark enforcement** is **1800-338-6622**. That is a 24-hour hotline largely for reporting illegal parking in HDB carparks and repair streets. It's also possible to report illegal parking through the OneService Application. For standard enquiries about period parking, you are able to contact the most crucial HDB Branch check here Services Line at **1800-225-5432**, which operates during common Place of work hours. This range handles questions about time parking apps, renewals, along with other related administrative issues. It's important to employ the right number in your certain difficulty to be sure a quicker reaction.