Corpus Fund and Sinking Fund: The Apartment Deposits Bengaluru Buyers Should Understand

Somewhere in the cost sheet for a new Bengaluru flat, below the price and the parking and the registration, sit two line items that buyers pay almost without reading: corpus fund and sinking fund. They can together run into lakhs, and most buyers could not say what the difference is or where the money goes. Yet these funds are exactly what stands between an apartment community and a crisis when the lifts fail or the building needs repainting a decade in. The quick facts for buyers: a corpus fund is a one time deposit, usually collected at possession, that gives the owners association an initial financial cushion, a sinking fund is a reserve built up over time to pay for major future repairs and replacements, and both belong to the community of owners, not to the developer.

The short answer. The corpus fund is a one time deposit paid around possession to seed the owners association's finances, and the sinking fund is a long term reserve accumulated through regular contributions to fund big future repairs like lifts, painting and structural work, and both belong to the owners' community. The trade-off for buyers is that these are real, necessary costs that protect the asset, but they are also money that must be properly accounted for and handed to the association, so a buyer should confirm what they are paying, ensure it reaches the right place, and on a resale make sure they are not charged again for funds the seller already paid.

What is a corpus fund?

A corpus fund is the apartment community's opening financial buffer. It is typically a one time, interest bearing deposit collected from buyers, usually at the time of possession, intended to create a reserve for the maintenance society or owners association to draw on. The idea is that a new community starts life with a cushion, so that it is not financially helpless in its early years before regular maintenance collections stabilise. Because it is a deposit for the association's benefit, the corpus belongs to the community of owners, and the developer is meant to transfer it to the association once formed, along with the accounts. For a buyer, the corpus fund is not a fee paid to the builder for a service, it is money placed into the community's own reserve, and understanding that distinction is the first step to making sure it is handled correctly.

What is a sinking fund, and how is it different?

A sinking fund is the long horizon savings pool for the building's big, occasional expenses. Where ordinary monthly maintenance covers running costs, security, housekeeping, common area power, the sinking fund is built up gradually, usually through periodic contributions alongside maintenance, to pay for major future works that arrive infrequently but expensively: replacing lifts, repainting the building, waterproofing, structural repairs, upgrading equipment. The difference from the corpus is both timing and purpose. The corpus is a one time initial cushion paid around possession, while the sinking fund accumulates over years and is earmarked for capital repairs. Both are association money, but they play different roles, one gets the community started, the other ensures it can afford the predictable but large costs that ageing buildings face. PropNewz has covered the running maintenance side of apartment finances in our June 11 guide to maintenance charges.

How do the funds compare?

The table below sets the two side by side on the points a buyer should grasp.

The comparative point is that both funds are the community's own savings for the community's own future, which is why how they are collected, accounted for and transferred matters as much as the amounts.

Why should a buyer pay attention to these funds?

Because they are your money going into a shared pool, and the handling decides whether it protects you. Three things matter. First, what you are being asked to pay should be reasonable and documented, not an opaque, inflated charge. Second, the funds should actually reach the owners association and be reflected in its accounts, since the developer holds them only in trust until the association is formed and the handover is completed, a process tied to the governance framework PropNewz explained in our June 12 guide to apartment owners associations under KAOA. Third, on a resale, the funds already paid by the seller are generally treated as transferred to you, so you should not be charged afresh for a corpus the previous owner already deposited. The seven point checklist below organises the diligence.

1. Identify the corpus fund and sinking fund amounts separately in the cost sheet and confirm what each is for.
2. Check the amounts are reasonable and documented, not opaque charges bundled into the price.
3. Confirm the developer is obliged to transfer the corpus to the owners association on formation.
4. Ask whether the association has been formed and whether the funds and accounts have been handed over.
5. For a resale, obtain proof of the corpus and sinking fund the seller already paid.
6. Ensure you are not charged the corpus again on a resale, since it generally transfers to the buyer.
7. Keep all receipts for corpus, sinking fund and other deposits as part of your ownership records.

What happens to these funds on a resale?

They follow the flat, not the seller, and a buyer should make sure the credit follows too. When a flat is resold, the corpus and sinking fund contributions already made are generally deemed transferred to the new owner, because they were deposits for the benefit of the unit and the community, not personal money the seller takes away. The practical implication is that a resale buyer should not be asked to pay the corpus fund again, and should instead confirm with the association what has been paid against that flat, obtain the receipts, and ensure the transfer is recorded so the credit sits with them. The honest framing is that these funds are an asset attached to the flat, and a buyer who treats them as such, verifying the balance and the transfer, protects both their wallet and their stake in the community's reserves, while one who ignores them risks either paying twice or inheriting a flat whose dues were never properly settled.

Frequently asked questions

What is the difference between a corpus fund and a sinking fund?

A corpus fund is a one time, interest bearing deposit collected from buyers, usually at possession, to give the owners association a financial cushion. A sinking fund is a reserve built up over time, typically from regular contributions, to pay for major future repairs and replacements like lifts, painting and structural work.

When are these funds collected?

The corpus fund is generally a one time payment made around possession, while the sinking fund is built gradually through periodic contributions alongside maintenance charges. The corpus is the initial cushion, the sinking fund is the long term savings pool for big future expenses.

Why should a buyer care about corpus and sinking funds?

These funds belong to the owners association and the community, not the developer. Buyers should confirm what they are paying, that the amounts are reasonable and documented, and that on a resale the funds already paid pass to the buyer so they are not charged again for a deposit the seller already made.

Do I pay the corpus fund again when buying a resale flat?

Generally no. On resale, the corpus and sinking fund contributions already paid are treated as transferred to the new owner, so the buyer should not be asked to pay them again. Confirm with the association what has been paid, obtain the receipts, and ensure the transfer is recorded.

Last updated 2026-06-14. PropNewz Team.