The aim of this study is to examine the corporate governance mechanism that affects audit report lag. There were 33 firms year observation as the sample taken from Construction and Building Sector listed in Indonesia Stock Exchange. Multivariate analysis method was used to process and analyse data. The result showed that corporate governance mechanism has no significant effect on audit report lag except for the board size. But if tested simultaneously, corporate governance mechanism had significant effect on audit report lag. It indicates that all corporate governance mechanism, when combined together, effectively minimized audit report lag. This study implies that publicly listed companies must monitor strictly to avoid audit delay.