HDB's dedicated hotline for **carpark enforcement** is **1800-338-6622**. This is the 24-hour hotline principally for reporting illegal parking in HDB carparks and service streets. It's also possible to report illegal parking through the OneService Application. For standard enquiries about season parking, you can Call the principle HDB Branch Company Line at **1800-225-5432**, which operates through standard Workplace several hours. This amount handles questions check here about year parking programs, renewals, as well as other similar administrative matters. It's important to implement the correct selection on your particular challenge to guarantee a more quickly reaction.