The Maharashtra Housing and Area Development Authority (MHADA) and nine municipal corporations in the Mumbai Metropolitan Region (MMR) have identified 18,072 unsafe buildings, including 827 classified as “extremely dangerous,” ahead of the monsoon season.

Authorities have issued notices to these structures, but concerns remain over whether action can be completed before heavy rains begin. Earlier, Mumbai Municipal Commissioner Ashwini Bhide released a separate list of 174 “C1 category” dangerous buildings within Mumbai city limits. Of these, 72 have already been vacated.

Every monsoon, old and dilapidated buildings in Mumbai and nearby cities face severe structural damage, increasing the risk of collapses and accidents. Despite repeated warnings, many residents continue living in unsafe structures due to a shortage of rehabilitation housing and delays in redevelopment projects.

The Thane district administration recently directed civic bodies to conduct urgent structural audits of high-risk buildings as part of monsoon preparedness measures.

Lists of dangerous buildings have also been released by civic bodies in Thane, Kalyan-Dombivli, Navi Mumbai, Ulhasnagar, Bhiwandi-Nizampur, Vasai-Virar, Mira-Bhayandar and Panvel. However, delays in rehabilitation and alternative housing arrangements mean many residents may continue staying in dangerous buildings during this year’s monsoon.

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