HDB's dedicated hotline for **carpark enforcement** is **1800-338-6622**. This is a 24-hour hotline generally for reporting illegal parking in HDB carparks and repair streets. You can even report illegal parking in the OneService Application. For basic enquiries about season parking, you could Get hold of the key HDB Branch Assistance Line at **1800-225-5432**, which operates for get more info the duration of typical office hrs. This quantity handles questions on period parking applications, renewals, and various related administrative matters. It is vital to utilize the correct range on your specific challenge to make certain a quicker reaction.