HDB customer service hotline is designed to assist with questions related to flats, applications, and estate matters. For immediate assistance, dial 1800-225-5432 during working hours to speak with HDB officers. Through the hotline, you can inquire about flat applications, resale procedures, loan eligibility, grants, and upgrading programmes. For estate-related matters https://hdbhotline124965318.bloggosite.com/45906869/hdb-hotline-12-49