Online payments, customer and certificate requests and other e-business services may be unavailable from 8pm Friday 21 November to 12am Saturday 22 November due to scheduled maintenance. We apologise for any inconvenience.
Free boat launching will commence at O’Sullivan Beach boat ramp from 1 November 2025 thanks to a harmful algal bloom response partnership between the City of Onkaparinga and the state government.
Back by popular demand… it’s our how to adult series!
Join Onkaparinga Youth for a series of evening sessions designed to equip young adults with those real life skills you have told us you wish you knew more about!
What are your rights as a renter?
Can you get a refund on that car you just bought on Marketplace?
And how on earth do you change your MyGov password?!
Click here to view form.