BMC Notice for Building Repair in Mumbai: What It Means and What Your Society Must Do Within 30 Days

What Is a BMC Repair Notice and Why Did Your Building Get One?

Every year before and during monsoon, the BMC (Brihanmumbai Municipal Corporation) surveys buildings across Mumbai and classifies them by structural condition. If your building shows signs of deterioration like spalling concrete, cracked beams, loose external plaster, or exposed reinforcement, the BMC issues a notice under Section 353 of the Mumbai Municipal Corporation Act, 1888.

The notice tells your society that the building has structural defects and must be repaired, or in extreme cases, vacated. The classification the BMC assigns determines everything that happens next.

C1, C2, C3: What Category Did Your Building Get Tagged With?

The BMC uses a four-tier classification system:

C1 (Dangerous): The building is beyond repair and must be vacated and demolished. Residents must leave within the timeline specified in the notice. No repair work is permitted. The society must initiate redevelopment.

C2A (Major Structural Repairs): The building has serious structural damage but can be saved with major civil work. This includes RCC jacketing, beam and column repair, slab strengthening, and full facade restoration. The society must carry out these repairs within the timeline given, typically 30 to 90 days from the notice date.

C2B (Non-Structural Major Repairs): The building needs significant repairs that are not structural in nature, such as external plaster redo, waterproofing of terrace, and plumbing line replacement. Less urgent than C2A but still has a compliance deadline.

C3 (Minor Repairs): The building needs routine maintenance. Patch repairs, minor plaster work, painting. No immediate danger, but the society should complete these before the next monsoon.

The category your building received changes everything. If you do not know which one, the first thing your secretary should do is read the notice carefully and identify the classification.

What Your Society Must Do Within 30 Days

If your building received a C2A or C2B notice, the clock starts immediately. Here is the step-by-step your managing committee should follow:

1. Call an emergency General Body Meeting (GBM) within 7 days. The notice must be tabled before all members. The committee cannot decide this alone. Under the Maharashtra Cooperative Societies Act, 1960, major repair decisions require a resolution passed in a GBM with a simple majority.

2. Hire a structural engineer for a fresh audit. Do not rely solely on the BMC survey. Get an independent structural assessment from a licensed structural consultant. This gives you a documented scope of work and protects the committee if there is a dispute later.

3. Get repair quotes from specialist contractors. Do not call a general painter or local mason. C2A repairs involve RCC work, structural crack stitching, and spalling concrete repair. You need a contractor who understands structural repair, not just waterproofing or plaster. PS Group’s PS Civil division handles exactly this kind of work across Mumbai.

4. Submit a compliance report to BMC. Within the timeline in the notice (usually 30 days), the society must submit a written compliance report to the ward office stating what repairs have been planned, which contractor has been appointed, and the expected timeline for completion. If you miss this, the BMC can escalate.

5. Begin repairs immediately after approval. Do not wait for the full monsoon to end if the notice says urgent. Some repairs like external plaster and structural crack stitching can and should be done during dry windows in the monsoon itself.

What Happens If Your Society Ignores the Notice?

This is where it gets serious. If your society fails to respond or act within the given timeline, the BMC can:

Issue a second notice with a shorter deadline
File a case in the Metropolitan Magistrate Court under Section 475A of the MMC Act, which carries fines and potential imprisonment of office bearers
Disconnect water and electricity supply to the building in extreme cases
Force evacuation if the building is classified C1

Beyond the BMC, if a resident or flat owner is injured due to structural failure that the society knew about but did not fix, the managing committee members can be held personally liable under civil and criminal law. This is not a theoretical risk. It has happened in Mumbai.

How PS Group Helps Societies Respond to BMC Notices

When your society receives a BMC repair notice, you need three things: a structural assessment, a clear scope of work, and a contractor who can execute to the standards the BMC expects.

PS Group starts with a full building inspection. We identify what the BMC notice requires, assess the actual structural condition (which is often worse than what the BMC survey caught), and prepare a repair plan that addresses the root cause, not just the visible symptoms.

For C2A buildings, our PS Civil team handles RCC repair, spalling concrete treatment, structural crack stitching, and facade restoration. For C2B buildings, we handle external plaster, terrace waterproofing, and structural crack repair. We coordinate with your structural engineer and provide the documentation you need for your BMC compliance report.

If your building is in a post-monsoon damage situation and the BMC has already classified it, do not wait for the deadline to approach. The earlier you start, the more time your contractor has to complete the work before the next monsoon cycle.

Questions Every Committee Member Should Ask Before Hiring a Contractor

Have they done structural repair work in Mumbai housing societies before? Ask for references from buildings 15+ years old.
Do they provide a written scope of work specifying materials, method, and warranty? If they quote verbally and want to start next week, walk away.
Will they coordinate with your structural engineer and submit documentation for the BMC compliance report? A contractor who cannot provide paperwork will leave your society non-compliant.
Do they test their work? Flood testing for waterproofing, rebound hammer testing for concrete strength, and post-repair thermal scans should be part of the package.

You can see examples of our structural repair projects on our gallery page and follow ongoing work on our YouTube channel.

Your Next Step

If your society has received a BMC repair notice, the single most important thing is to not delay. Call a GBM this week, get a structural assessment, and start getting quotes. The 30-day window goes fast, and the BMC does not accept “we could not find a contractor” as a reason for non-compliance.

PS Group can help you with the full process, from structural assessment to repair execution to BMC compliance documentation. Contact us here or message us directly on WhatsApp and we will schedule a site visit within 48 hours.