Stamp duty is the largest single cheque most Maharashtra buyers write after the flat itself, and the most misunderstood. It arrives earlier than expected, it differs by city in ways brochures never mention, and a one-word choice on the document, whose name goes first, can move it by a lakh. Here is the whole bill, computed honestly.

Key takeaways

  • Mumbai charges 6 percent stamp duty for men, 5 for women, including the 1 percent metro cess; Pune, Thane and Nagpur charge 7 and 6 percent because a local body tax stacks on top (2026 rates).
  • Registration is 1 percent capped at Rs 30,000 above Rs 30 lakh, so it is effectively flat on urban purchases.
  • The women's 1 percent concession requires every buyer on the document to be female; the 15-year resale lock-in that came with it was removed in May 2023.
  • Duty is charged on the agreement value or the government's ready reckoner value, whichever is higher, and it is due at agreement registration, years before possession on under-construction purchases.

Neha's first surprise

Neha, buying her 2BHK in a Mulund redevelopment project (illustrative, as always), had budgeted Rs 1.05 crore for a Rs 1 crore flat, assuming "closing costs" behaved like a broker's fee. Her CA corrected the math in one line: on Rs 1 crore in Mumbai, stamp duty alone is Rs 6 lakh, registration Rs 30,000, and both are due the month she signs the agreement for sale, not at possession two years later. Registering the flat jointly with her mother, with both women as the only buyers, would have cut the duty to Rs 5 lakh. The cheque she almost mis-timed was the size of a car.

What stamp duty actually is

Stamp duty is a state tax on the transaction document itself. Unstamped or understamped documents are not admissible as evidence, which means an unstamped agreement protects nobody. Think of it as the toll for entering the legal system: pay it and the state's courts, registries and records stand behind your ownership; skip it and your Rs 1 crore purchase rests on paper with no legal weight. That is also why it cannot be deferred: the protection starts when the agreement does.

The rates, city by city

Maharashtra's headline duty is 5 percent, but nobody pays the headline. Urban transactions carry a 1 percent metro cess (funding transport infrastructure), and municipal corporations outside Mumbai add a 1 percent local body tax. As reported for 2026:

The tax bill on a Rs 1 crore flat, male buyer(stamp duty plus registration, 2026 rates)
Mumbai (5% duty + 1% metro cess)Rs 6.30 lakh
Pune / Thane / Nagpur (+1% LBT)Rs 7.30 lakh
Same flat, all-women buyers, MumbaiRs 5.30 lakh

Source: IGR Maharashtra rate structure as reported by ClearTax, 99acres and Home First, 2026; includes Rs 30,000 registration

Three fine-print rules do most of the damage when missed:

  1. Higher-of-two valuation. Duty is computed on your agreement value or the government's ready reckoner valuation for that building, whichever is higher. A genuine bargain below the reckoner rate still pays duty at the reckoner value.
  2. The women's concession is all-or-nothing. The 1 percent reduction applies only when every buyer on the document is a woman. Add a husband as co-owner and the concession vanishes, a trade-off against the loan and the tax deductions that whose name goes on the agreement works through in rupees. The 15-year resale lock-in that made buyers wary of this concession was removed in May 2023, so an all-women registration is now a clean Rs 1 lakh saving per crore with no strings on exit.
  3. Registration is capped, not proportional. 1 percent, but never more than Rs 30,000 (for properties above Rs 30 lakh). On any urban flat, treat it as a flat fee.

When the money leaves: earlier than you think

On an under-construction purchase, the agreement for sale is executed and registered near the start, when you have paid perhaps 10 to 20 percent of the price. Stamp duty and registration are due in full on that day. On our Rs 1 crore Pune example, that is Rs 7.3 lakh leaving your account in the same season as the booking amount and the down payment, the exact pile-up month we mapped in the money timeline of buying a flat. Budget it there, not at possession. And because none of it comes back when you sell, it weighs heaviest on a short hold: rent or buy in Mumbai and Pune shows how it tilts that decision if you expect to move within five years.

Two smaller notes for completeness: you also pay a nominal Rs 100 to Rs 200 per document as handling and filing fees, and GST on under-construction purchases (5 percent, or 1 percent affordable) is a separate central levy on top, compared properly in under-construction vs ready-to-move.

Warning

Never route stamp duty through the builder as a lump "government charges" line. Pay it yourself through the official GRAS portal or bank franking, in your name, and keep the challan. The challan is your proof; a builder's consolidated receipt is not. Buyers who paid "government charges" to promoters who never registered the agreement fill a sad shelf of MahaRERA orders.

What the duty buys you: the registered record

The registered agreement is the anchor document of every protection covered on this blog: the carpet area you can measure against, the possession date your delay interest runs from, the payment schedule the 10 percent cap polices. It is also what makes your flat visible in the state's records, searchable in an encumbrance certificate for the next buyer. In a registered MahaRERA project, the agreement should follow the model agreement's mandatory clauses, and the 12-document checklist shows where it sits in the full file. New to the regulator itself? Start with what MahaRERA is, and note that the two registers are genuinely different things: the duty you pay registers your flat with the state, while MahaRERA registers the project, and confusing the two series is how a reader ends up out by two orders of magnitude on what a city's numbers mean.

The planning moves that legitimately save money

  • All-women registration where the family's finances genuinely support it: 1 percent saved, lock-in free since May 2023.
  • Time the agreement, not the duty. Rates change in state budgets, and reckoner valuations revise; a purchase straddling a revision date should check both sides of it.
  • Never understate the agreement value. The classic "save stamp duty in cash" proposal transfers all its risk to you: your refund rights, delay interest and resale basis all shrink to the understated number, while the duty saving mostly accrues to the seller's tax position.

Before any of this arithmetic matters, the project itself has to deserve the cheque. The Rs 499 ReraGenie buyer report reads a Maharashtra project's complete MahaRERA record, its progress, promoter history and complaint file, so the largest tax payment of your life lands on a project whose filings have earned it. Run it before the agreement date is fixed: sign up on ReraGenie.

The one-line summary

Six percent in Mumbai, seven in Pune, one back for all-women documents, Rs 30,000 to register, computed on the higher of your price and the government's valuation, due the day the agreement is signed. Put those numbers in the budget on day one and the biggest cheque after the flat stops being a surprise. One more sits beside it and catches people out because nobody bills them for it: on a purchase of Rs 50 lakh or more, the 1 percent TDS is yours to deduct and file, computed on the same higher-of-price-or-reckoner figure the duty uses. What the morning itself involves, once the duty is paid, is in registration day at the sub-registrar. These are the same charges on a lottery flat as on any other, which is one of several things worth pricing before applying: the MHADA lottery against the open market.

Evaluating a project right now?

The ReraGenie buyer report reads every filing for one project and sets out the red flags, the checks that came back clear and what to verify before you book, each fact with its filing date. Rs 499, one time.

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