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Stamp Duty on $850K Property — SA

Stamp duty on a $850,000 property in South Australia is $40,580.00. See total costs, first home buyer savings, and compare to other states.

Last verified: 1 July 2025

Stamp Duty: $40,580.00

On a $850,000 property in South Australia, stamp duty is $40,580.00 at an effective rate of 4.77% (2025-26 rates).

Cost Breakdown

Property price$850,000
Stamp duty (standard buyer)$40,580.00
Effective stamp duty rate4.77%
Legal / conveyancing fees (est.)$2,000.00
Building & pest inspection (est.)$500.00
Total purchase cost$893,080.00

First Home Buyer Stamp Duty — SA

At $850,000, first home buyer concessions in South Australia do not reduce stamp duty. The property value exceeds the concession threshold. Standard duty of $40,580.00 applies.

Foreign Buyer Stamp Duty

Foreign purchasers pay an additional 7% surcharge ($59,500.00) on top of standard stamp duty.

Total foreign buyer stamp duty: $100,080.00

Stamp Duty on $850K — All States

StateStamp DutyEffective Rate
New South Wales$32,985.003.88%
Victoria$46,070.005.42%
Queensland$31,275.003.68%
Western Australia$34,891.004.10%
South Australia$40,580.004.77%
Tasmania$33,435.003.93%
Australian Capital Territory$31,633.003.72%
Northern Territory$42,075.004.95%

Mortgage Impact — Adding Stamp Duty to Your Loan

If you add $40,580.00 stamp duty to your home loan instead of paying upfront, here is how it affects your repayments (based on 80% LVR, 6.25% rate, 30-year term):

Monthly repayment (without stamp duty in loan)$4,186.88
Monthly repayment (with stamp duty in loan)$4,436.74
Extra per month+$249.86
Extra interest paid over 30 years$49,368.89

Paying stamp duty upfront saves you $49,368.89 in interest over the life of your loan.

Calculate a Different Amount

Frequently Asked Questions

How much is stamp duty on a $850,000 house in South Australia?

Stamp duty on a $850,000 property in South Australia is $40,580.00 for a standard buyer (2025-26 rates). This is an effective rate of 4.77%.

Do first home buyers pay stamp duty in South Australia?

At $850,000, first home buyer concessions in South Australia do not reduce stamp duty below the standard amount of $40,580.00. The property value exceeds the concession threshold.

What are the total costs of buying a $850,000 property in South Australia?

The total estimated cost is approximately $893,080.00, which includes the purchase price ($850,000), stamp duty ($40,580.00), legal/conveyancing fees (~$2,000), and building/pest inspections (~$500).

Frequently asked questions

How much stamp duty do first home buyers pay in NSW?

First home buyers in NSW pay no stamp duty on homes up to $800,000, a concessional rate on homes between $800,001 and $1,000,000, and full stamp duty above $1,000,000. The First Home Owner Grant adds $10,000 for new homes up to $600,000. Source: Revenue NSW.

How much stamp duty do first home buyers pay in Victoria?

First home buyers in Victoria pay no stamp duty on homes up to $600,000 and receive a sliding concession on homes between $600,001 and $750,000. A $10,000 First Home Owner Grant applies on new homes up to $750,000. Source: State Revenue Office Victoria.

Do foreign buyers pay extra stamp duty in Australia?

Yes. Foreign buyer surcharges apply in most states: 8% in NSW and Victoria, 7% in Queensland, Western Australia, and South Australia. These are additional to the standard stamp duty and First Home Buyer concessions do not apply to foreign buyers.

Is stamp duty payable on off-the-plan purchases?

Off-the-plan concessions vary by state. Victoria removed the concession in 2017 for owner-occupiers. NSW retained an off-the-plan concession for principal places of residence under certain thresholds. Always check the current rules with the relevant state revenue office.

General information and estimates only — not financial, tax, or legal advice. Always verify with a licensed adviser or the ATO.