How is investor or home buyer stamp duty worked out in Western Australia?
A $750,000 purchase with a contract signed 4 Nov 2026 pays $29,740.50 of duty. On the scale it is $28,453 plus 5.15% of the amount over $725,000, $29,740.50.
More for this state
First home buyer
The duty on a first home in Western Australia.
Foreign buyer
The duty and surcharge for a foreign buyer in Western Australia.
Land tax
Land tax in Western Australia on land you hold.
Capital gains tax
The tax on a sale, worked out.
Where the rules come from
By Varun Agarwal. Updated
- Duties Act 2008 (WA) ss 147, 205O and Schedule 2
- RevenueWA, transfer duty assessment
- RevenueWA, foreign transfer duty fact sheet
The ATO's figures on what landlords earn and lose, postcode by postcode, are in Rental income, losses and capital gains by postcode, 2023-24.