Understanding Maintenance Charges for Bangalore Apartments: Rates, GST, Corpus and Sinking Fund

Buyers spend weeks comparing the price of a flat and often minutes on its maintenance bill, even though maintenance is paid for as long as the flat is owned. This article explains the common area maintenance charge in Bangalore apartments, line by line. It looks at what the charge buys, the formula behind it, the GST rule, the reserve funds kept alongside it, dues on resale and the checks worth doing before booking.

What Your Maintenance Buys

The interior of a flat is the owner's own responsibility. The shared parts, from the gate to the terrace, are paid for together through the common area maintenance charge. Most budgets are built from these items:

• Housekeeping teams and security guards
• Electricity for common lighting, corridors, basements, pumps and lifts
• Generator fuel and servicing for power cuts
• Water supply, tanker loads and the STP's running costs
• Service agreements for the lifts, the fire safety system and other plant
• Upkeep of the clubhouse, gym, swimming pool and gardens
• Insurance, auditors' fees and the association office

Two heads, payroll and power, usually take the largest share. A project with extra pools, a bigger clubhouse and acres of landscaping needs more staff, lighting and repairs, so residents pay more each month. Think of the amenity pages in a brochure as a forecast of future bills.

Per Sq Ft or Per Flat?

The common method in Bangalore multiplies a fixed rupee rate by the flat's super built-up size. Under this method, a flat contributes in line with its size. Some smaller buildings instead charge every flat the same amount, and a few combine the two.

A worked example makes it clear. Charge Rs. 3.50 on each sq ft of an 1,800 sq ft flat and the owner owes Rs. 6,300 a month, which adds up to Rs. 75,600 a year. Raise the rate to Rs. 4.50 and the same flat owes Rs. 8,100 a month, enough to cross the GST limit discussed next.

This approach has legal support in Karnataka. Karnataka's 1972 apartment ownership law divides common expenses by the undivided share each owner holds. The apartment management Bill the state brought in 2026 says charges should broadly follow super built-up size, and it rules out unequal bills for homes alike in area and use.

GST: Two Limits, Then 18%

A flat's maintenance is taxed only when it clears both of these tests:

• The flat's monthly bill exceeds Rs. 7,500 (at or below that, no GST)
• The association takes in more than Rs. 20 Lakhs in a year (at or below that, no GST for anyone)

Once both are crossed, the tax rate is 18%, and it is charged on the full bill rather than on the slice above Rs. 7,500. Two flats held by one owner face that Rs. 7,500 test one at a time. The rules come from a CBIC (indirect tax board) circular dated 22 July 2019.

Look at how sharp the line is. A flat billed exactly Rs. 7,500 pays no tax. A flat billed Rs. 10,000 adds Rs. 1,800 in GST and pays Rs. 11,800.

The Corpus and the Sinking Fund

People often lump three amounts together. Monthly maintenance is for routine running expenses. The corpus is a single deposit taken at handover and parked as a reserve. A sinking fund is topped up regularly so that rare, costly jobs like a fresh coat of paint, leak-proofing or a new lift can be paid for.

A building with a low monthly rate and almost nothing in reserve is not cheap to live in. When a big repair comes due, every owner receives a one-off bill. Asking for both the monthly rate and the reserve balance shows what ownership really costs.

From Developer Rates to Association Budgets

For the first months after handover, the developer or its facility management agency manages the project and decides the rate. The RERA Act requires the promoter to keep essential services going, at a fair price, until an owners' association takes over. It is common for developers to collect a year or two of maintenance in advance when keys are handed over.

When the association steps in, the rate often moves. A figure set when the project was only partly occupied may not cover running every tower at capacity. An active association may also lower costs by rebidding its contracts. Its first audited budget gives the most dependable view of the long-run charge.

Dues When You Buy a Resale Flat

Unpaid maintenance attaches to the flat itself. Before a sale, associations generally want every rupee cleared, and the no-dues certificate follows. The 2026 Bill puts this into statute by attaching unpaid common expenses to the home as a charge. The buyer then shares liability with the seller for whatever was owed before transfer.

The Bill limits the association's powers as well. Any late-payment penalty is capped at one month's maintenance. A defaulting owner keeps water, electricity, lift use and entry to the home regardless. The law will apply from a date to be notified by the state government.

A Pre-Booking Checklist

Settle these points before the booking amount is paid:

1. Get the present rate and multiply it by the flat's size.
2. Check whether the result is above Rs. 7,500, and if so add 18% GST.
3. Find out if the rate is the developer's starting figure or an association rate based on real spending.
4. Confirm the advance maintenance and corpus to be paid at handover.
5. In a project where owners already live, go through the newest audited statements and the reserve balance.
6. When buying resale, collect the association's no-dues certificate before any money goes to the seller.
7. See how the rate has changed over the past three years.

Budget for maintenance every month, just like the loan. Our EMI calculator works out the instalment, and the maintenance bill added to that gives the true outgo each month.