South Australia stamp duty calculator
Estimate South Australia transfer (stamp) duty at 2026–27 rates. The calculator is set to South Australia; change any input to see your figure.
First-home buyers of a new home pay no duty, with no cap on its value. Established homes don't qualify, and this calculator doesn't model the new-home exemption yet, so it shows full duty for every first-home purchase in South Australia. Foreign purchasers of residential property in South Australia pay a surcharge of 7% on top of standard duty.
On a $750,000 residential property bought by an investor in South Australia, transfer duty on the standard scale is $35,080. This is an example only. Verify your figure with the state revenue office.
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Stamp duty
Enter a purchase price to see the duty, concessions and grants for your state.
What is stamp duty?
Stamp duty, officially transfer duty, is a one-off tax charged by each Australian state and territory when you buy property or land. The buyer pays it, and it's calculated on the higher of the purchase price or the property's market value.
After the deposit, it's usually one of the largest upfront costs of a purchase. What you pay depends on the property's value, which state it's in, and whether you qualify for a concession or owe a surcharge.
How stamp duty is calculated
Duty is charged on a sliding scale of brackets: the part of the price in each band is taxed at that band's rate, so the effective rate rises with the property value. Every state and territory publishes its own brackets, which is why an identical purchase price produces very different duty across the country.
On top of the base duty, foreign purchasers pay a surcharge in most states, and first-home buyers and some owner-occupiers may receive concessions that reduce or remove it. The calculator above uses the 2026–27 rates for each state and starts on the standard investor scale. Change the buyer type to see a first-home concession where the calculator models one.
Compare duty across every state on the stamp duty calculator.
Questions about South Australia stamp duty
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