A Singapore Government Agency Website

Official website links end with .gov.sg

Government agencies communicate via .gov.sg websites (e.g. go.gov.sg/open). Trusted websites

Secure websites use HTTPS

Look for a lock () or https:// as an added precaution. Share sensitive information only on official, secure websites.

Government officials will NEVER ask you to transfer money or disclose bank log-in details over a phone call.

Call the 24/7 ScamShield Helpline at 1799 or visit www.scamshield.gov.sg (opens in new tab) to check if something is a scam.

Contact Us

Reach the Building and Construction Authority by phone or submit your queries and feedback through the online form.

Last updated 18 June 2026

By phone

Kindly note that airtime charges apply for mobile calls to 1800 service lines and calls are free of charge only if made from regular land lines.

If you have a query, feedback or wish to report a problem related to this website, please fill in the online form (opens in new tab).