Occupancy Certificate and Completion Certificate: OC vs CC Explained

An occupancy certificate and completion certificate are both issued by the local development authority or municipal body, but they certify different things. The completion certificate confirms the project was built according to the sanctioned plan; the occupancy certificate (OC) permits the building to be occupied, with water, sanitation and electricity in place. Under Section 11(4)(b) of RERA, 2016, the builder must obtain them and give them to buyers. In February 2026 the Supreme Court held that a buyer cannot be forced to take possession without an OC.

Occupancy certificate and completion certificate: the difference

Before you sign anything, ask to see both the occupancy certificate and completion certificate. Think of the completion certificate as the authority saying, “this was built as approved”. The occupancy certificate says, “people may now live or work here”. The names vary between states and cities, and RERA accepts that by defining both as certificates “by whatever name called” issued under local laws.

• Completion certificate (CC): issued after inspection confirms the construction matches the sanctioned building plan and layout.
• Occupancy certificate (OC): issued when the building is fit to occupy, with civic services in place. Some authorities issue part OCs for completed towers.

One trap: in Maharashtra and some other places, “CC” in builder documents often means the commencement certificate, which only allows construction to start. A commencement certificate is not a completion certificate. Ask for each document by its full name.

OC vs CC: what the builder owes you under RERA

1. Obtain the certificates. Section 11(4)(b) makes the promoter responsible for obtaining the completion certificate, the occupancy certificate, or both, and making them available to allottees individually or to their association.
2. Hand over possession and title. Section 17 requires the promoter to execute a registered conveyance deed in your favour and hand over physical possession, with the common areas going to the association. Where local law sets no period, the conveyance must be done within three months of the OC.
3. Documents after possession. Section 19(5) entitles you to the necessary documents and plans, including those of common areas, after physical possession is handed over.
4. Structural defects. Section 14(3): if a structural defect or poor workmanship is brought to the promoter’s notice within five years of handing over possession, the promoter must rectify it without charge within 30 days.

Your side of the bargain: Section 19(10) asks you to take physical possession within two months of the OC being issued for your unit.

Buying a flat without OC: the risks

Buying a flat without OC means living in a building the authority has not yet cleared for occupation. The practical risks are real:

• The authority may treat occupation as unauthorised and issue notices.
• Property tax and water charges can be higher. In the Samruddhi case, society members were paying higher municipal taxes and water charges because the builder never obtained the OC.
• Banks and later buyers often ask for the OC, so resale and loans become harder.
• If construction deviates from the sanctioned plan, the deviation may never be regularised.

In Parsvnath Developers Ltd. v. Mohit Khirbat (20 February 2026), the Supreme Court called the OC a statutory pre-condition to lawful delivery of possession and rejected an “as is where is” offer made without it. Offering possession late or without an OC was held to be a deficiency in service. The Court directed the developer to obtain the OC and deliver possession, and to keep paying compensation meanwhile.

Builder not giving OC: your remedy

1. Write first. Send an email and a legal notice asking for copies of the occupancy certificate and completion certificate, citing Section 11(4)(b). Keep proof of delivery.
2. Check the RERA portal. Many state portals show uploaded certificates and quarterly updates for registered projects.
3. Use RTI. Ask the development authority or municipal body whether an OC was applied for or issued for the project. See how to file an RTI application.
4. File a RERA complaint under Section 31. Seek directions to obtain the OC and complete conveyance, and, if possession is delayed, refund or delay interest under Section 18. Our RERA complaint guide covers the steps.
5. Or go to the consumer commission. Failure to obtain an OC is a deficiency in service (Samruddhi, 2022) and the Supreme Court treated it as a continuing wrong, so the complaint was not time-barred. Jurisdiction depends on the consideration paid: District up to ₹50 lakh, State above ₹50 lakh to ₹2 crore, National above ₹2 crore.
6. Act together. A residents’ association can file one complaint for common issues.

Example: Vikram and Sneha get a “fit-out possession” letter for their flat in Gurugram, but no OC. They reply in writing that they will take possession once the OC is shown, and refuse to pay possession-linked charges until then. When the builder starts charging maintenance, they file a RERA complaint. The Parsvnath ruling supports their refusal.

Frequently asked questions

What is the difference between occupancy certificate and completion certificate?

The completion certificate confirms the building was constructed as per the sanctioned plan. The occupancy certificate permits people to occupy it, confirming civic services are in place. Both are issued by the local authority, and the builder must obtain them under Section 11(4)(b) of RERA.

Can I refuse possession if the builder has no OC?

Yes. In Parsvnath Developers v. Mohit Khirbat (20 February 2026), the Supreme Court held that a buyer cannot be compelled to accept possession without an OC, and that such an offer is a deficiency in service.

Is buying a flat without OC illegal?

Buying is not a crime, but occupying a building without an OC can breach local building laws and expose you to notices, higher charges and loan and resale problems. Avoid it unless the OC is imminent and the builder’s obligation is in writing.

How long does the builder have to execute the conveyance deed?

As per local law. Where there is none, Section 17 of RERA requires it within three months from the date of the OC.

Quick quiz

Go deeper into the occupancy certificate and completion certificate, conveyance and RERA remedies in the Home Buyer’s Legal Certificate Course (₹399).

Sources

• Real Estate (Regulation and Development) Act, 2016: Sections 2(q), 2(zf), 11(4)(b), 14(3), 17, 18, 19(5), 19(10) and 31
• Parsvnath Developers Ltd. v. Mohit Khirbat, Supreme Court, 20 February 2026
• Samruddhi Co-operative Housing Society Ltd. v. Mumbai Mahalaxmi Construction Pvt. Ltd., Supreme Court, 11 January 2022
• Consumer Protection Act, 2019 and the 2021 pecuniary jurisdiction rules

This page is for education and general information, not legal advice for a specific case. Law as on 29 October 2026.