

With over 14 years of experience in the Brisbane property market and the past decade serving the Darwin community, Toni Kostas brings deep local knowledge and a long-standing commitment to her clients.

Together with her husband and business partner, Peter Sargeant, Toni leads Kostas Real Estate with a focus on integrity, transparency, and personalised service. Their approach is simple yet rare in today’s market: treat every client with genuine care and attention—like people, not just listings.

Whether you’re buying, selling, or investing, Toni’s hands-on expertise and warm, honest style ensure you feel supported every step of
the way.

Kostas Real Estate

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Kostas Real Estate

Org chart

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