HDB customer service hotline is the main point of contact for residents and the public to reach the Housing & Development Board (HDB) in Singapore. For immediate assistance, dial 1800-225-5432 during working hours to speak with HDB officers. Common requests include information on buying a new flat, applying for grants, https://hdbhotline124979999.onesmablog.com/hdb-hotline-12-49-77359505