Gianna MezzinoProperty Consultant

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With over two decades of high-level real estate experience, Gianna is known for her unwavering passion, strong results, and genuine care for her clients. A skilled negotiator and marketing expert, she specialises in premium homes and consistently delivers exceptional outcomes, earning the trust of repeat and referral clients time and time again. Gianna has a keen interest in new builds and off-the-plan properties, working closely with both developers and buyers to drive sales outcomes—often before construction is complete. Her deep understanding of the building process, paired with a strategic and client-focused approach, allows her to maximise value at every stage of the journey. Known for her attention to detail, clear communication, and integrity, Gianna ensures a seamless, stress-free experience from start to finish. With a remarkable 95% auction clearance rate and over 80% of her business coming from repeat clients and referrals, she is trusted by many to navigate complex transactions with ease. Outside of work, Gianna enjoys spending time at Henley Square and the beach with her partner, two young boys, and their two dogs. Proud of her Italian heritage and hospitality background, she loves cooking, dining out at Adelaide’s top restaurants, and exploring South Australia’s wine regions.

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0416 091 758 giannam@ocre.com.au

What Gianna Mezzino’s Clients Say

"We had the absolute pleasure of working with Gianna to sell our property, and we couldnt be happier with the result. From the very beginning, Gianna impressed us with her professionalism, deep market knowledge, and genuine care for our needs. She guided us through every step of the process with clarity and confidence, kept us informed at all times, and went above and beyond to ensure a smooth and successful sale. Her communication was always prompt, honest, and reassuring. Highly recommend!"

Lisette G, seller

"Gianna was awesome, she was more like a friend to me than a real estate agent! She always put my needs and benefits first and had her best interest at heart with Mums house. Thank you "

Pina G, seller

"Gianna was a pleasure to work with, being sellers from rural SA created some challenges but her communication and updates made it very easy on our behalf. I feel that Gianna went above and beyond and appreciate her professionalism."

Steve T, seller

"Gianna was very professional, honest, knowledgeable, thorough and excellent with her communication. "

Lucinda C, buyer

"Gianna is very professional and knowledgeable its very easy to do business with her and she understand your situation and guide accordingly.. she is very helpful and smart real estate agent. I really recommend her to all.. best wishes "

Tejas P, buyer

"This was the second time I have engaged Gianna as my sales agent and once again I have been impressed with her professionalism, communication style and customer service. Gianna proved she is extremely knowledgeable of the property market in our area and went above and beyond to support us in achieving our outcome. "

Cortney H, seller

"Gianna is the ultimate professional. She knows the market very well, and has guided me expertly through two property sales. Gianna is meticulous, efficient, listens and responds to your concerns, is easy to communicate with and goes above and beyond to get you the best outcome. I would recommend her to anyone looking to sell their house."

Marisa S, seller

"Although my property was outside her primary expertise in Adelaide, Gianna demonstrated outstanding market insight and intuition. Her timing was impeccable, and she approached every step with professionalism and confidence. She guided me through the entire transaction, keeping me well-informed and empowered to make the right decisions. I would choose Gianna again as my real estate agent without hesitation."

Eddy J, seller

"Very knowledgeable in all aspects of the sale.went out of her way with the amount of time she took with us Very greatly appreciated. "

Christine S, seller

"Gianna was very professional and an excellent communicator. She provided a very personalised and stress free sales experience for us as vendors. Most of all she was exceptionally kind, calm and knowledgeable. We couldnt have been happier with Giannas service. "

Paula C, seller

"Gianna was Very professional & Nice To Deal With Always Answered All our Enquires Kept us Updated With Purchase Process "

Fares B, buyer

"Gianna was attentive , well organised and a great communicator. Was very helpful in helping me with settlement for my first property. "

Marta M, buyer

"We had the pleasure of Gianna Mazzino from Owens Cassidy sell our family home recently. Gianna went above and beyond to ensure not only our needs were met but the buyers needs were met in a professional and friendly way. She was very proactive every step of the way and we would highly recommend her and thank her for her amazing efforts. "

Sarah K, seller

"Gianna was authentic and helpful in helping us buy our house and responded to emails and messages promptly. "

San I, buyer

"Gianna was fantastic throughout the process and helped us navigate through our first home buying experience with ease."

Riley J, buyer

" Gianna was recommended to us by a colleague. She made a wonderful first impression - she was sincere, knowledgeable and personable. During the sale of our property Gianna was an awesome communicator, she kept us well informed during every step of the campaign. She managed to lock down a sale figure far beyond our expectations. Thanks again for helping us."

Dom B, seller

"Gianna exemplified a remarkable blend of diligence and compassion in addressing our inquiries and apprehensions. Her guidance throughout our journey of purchasing our first home instilled in us a profound sense of confidence in our decision-making process. Her invaluable support ensured a smooth and reassuring experience every step of the way."

Isabella H, buyer

"Gianna went above and beyond, she was so professional but so helpful in making my sons first property purchase easy. Would highly recommend Gianna to anyone looking to enter the property market and would not go to anyone else for any future purchase "

Sophie A, buyer

"We have had yet another fantastic selling experience with Gianna. From start to finish Gianna and her team worked really hard on a campaign that surprised all of us. The interest the ad generated was incredible. The turn out for each open and then the amount of offers that where submitted was record breaking according to Gianna. Gianna kept me informed after every open and read the market very well. It was a phenominal outcome for the sale of our property. Very happy!! Thanks Gianna!"

Carol B, seller

"Gianna was very professional friendly & helpful throughout the buying process "

Sharon C, buyer