Stamp Duty on $400K Property — SA
Stamp duty on a $400,000 property in South Australia is $16,330.00. See total costs, first home buyer savings, and compare to other states.
Last verified: 1 July 2025Stamp Duty: $16,330.00
On a $400,000 property in South Australia, stamp duty is $16,330.00 at an effective rate of 4.08% (2025-26 rates).
Cost Breakdown
| Property price | $400,000 |
| Stamp duty (standard buyer) | $16,330.00 |
| Effective stamp duty rate | 4.08% |
| Legal / conveyancing fees (est.) | $2,000.00 |
| Building & pest inspection (est.) | $500.00 |
| Total purchase cost | $418,830.00 |
First Home Buyer Stamp Duty — SA
At $400,000, first home buyer concessions in South Australia do not reduce stamp duty. The property value exceeds the concession threshold. Standard duty of $16,330.00 applies.
Foreign Buyer Stamp Duty
Foreign purchasers pay an additional 7% surcharge ($28,000.00) on top of standard stamp duty.
Total foreign buyer stamp duty: $44,330.00
Stamp Duty on $400K — All States
| State | Stamp Duty | Effective Rate |
|---|---|---|
| New South Wales | $12,735.00 | 3.18% |
| Victoria | $19,070.00 | 4.77% |
| Queensland | $12,425.00 | 3.11% |
| Western Australia | $13,175.00 | 3.29% |
| South Australia | $16,330.00 | 4.08% |
| Tasmania | $13,998.00 | 3.50% |
| Australian Capital Territory | $8,738.00 | 2.18% |
| Northern Territory | $11.00 | 0.00% |
Mortgage Impact — Adding Stamp Duty to Your Loan
If you add $16,330.00 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) | $1,970.30 |
| Monthly repayment (with stamp duty in loan) | $2,070.84 |
| Extra per month | +$100.55 |
| Extra interest paid over 30 years | $19,866.78 |
Paying stamp duty upfront saves you $19,866.78 in interest over the life of your loan.
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Frequently Asked Questions
How much is stamp duty on a $400,000 house in South Australia?
Stamp duty on a $400,000 property in South Australia is $16,330.00 for a standard buyer (2025-26 rates). This is an effective rate of 4.08%.
Do first home buyers pay stamp duty in South Australia?
At $400,000, first home buyer concessions in South Australia do not reduce stamp duty below the standard amount of $16,330.00. The property value exceeds the concession threshold.
What are the total costs of buying a $400,000 property in South Australia?
The total estimated cost is approximately $418,830.00, which includes the purchase price ($400,000), stamp duty ($16,330.00), legal/conveyancing fees (~$2,000), and building/pest inspections (~$500).
General information and estimates only — not financial, tax, or legal advice. Always verify with a licensed adviser or the ATO.
Learn more
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NSW Stamp Duty Calculator 2025-26: How Much Will You Pay?Calculate your NSW stamp duty (transfer duty) for 2025-26. Covers standard rates, first home buyer exemptions, the First Home Buyer Choice property tax option, and foreign buyer surcharges.