Property mutation is a mandatory process that updates ownership details in municipal records after a property purchase, inheritance, separation, or redevelopment. In Kolkata, this process is now fully online, making it faster and more convenient for property owners.
Applicants can submit mutation requests through the official West Bengal Urban Services portal (wburbanservices.org) without visiting municipal offices.
How to Apply for Mutation in Kolkata
Step 1: Register Online
Visit the portal and click Other Services → Citizen Login → Signup.
Complete self-registration and verify your mobile number using OTP.
Step 2: Login & Select Mutation Module
After logging in, navigate to the Mutation Module and click “Apply for New Mutation.”
Step 3: Choose the Correct Mutation Type
Selecting the right category is crucial to avoid rejection. Common types include:
Change of ownership (sale, inheritance, company name change)
Mutation cum separation
Mutation cum amalgamation
Assessment of unassessed property
Redevelopment or demolition
Documents Required for Mutation in Kolkata
Keep scanned copies ready before starting the application:
Sale Deed / Conveyance Deed
Record of Rights (ROR) / Khatian
Latest property tax receipt
Applicant ID proof
Completion Certificate or Building Plan (if available)
Succession documents (if applicable)
👉 Recommended format: PDF/JPEG (100–200 dpi)
Enter Property Details Carefully
You will need to provide:
Ward number and holding number
Property address
Plot and Khatian details
Land classification
Owner and transferor details
Deed information
Upload all supporting documents and your signature before final submission.
Track Your Application
After submission, you will receive an Application Number to track status online.
✅ Editing is allowed only when the status shows “Applied.”
❌ Once it changes to “Under Process,” modifications are not permitted.
Why Mutation is Important in Kolkata
Mutation is essential for:
Updating KMC property tax records
Legal ownership recognition
Selling or transferring property
Applying for building plan approval
Securing bank loans
Utility transfers
Without mutation, municipal records may still reflect the previous owner.
Conclusion
The online mutation system has simplified property ownership updates for Kolkata residents. By preparing documents in advance and selecting the correct mutation type, property owners can ensure a smooth and hassle-free process.
For complex cases such as institutional properties, healthcare facilities, amalgamation, or succession, professional guidance can help prevent delays.