Cass Property

Meet the team

Get to know the 2 agents at Cass Property.

Director / Licensee / Sales Agent

4.9

About Adam

With two decades of experience in local real estate, Adam brings deep knowledge, calm guidance and a people-first approach to every sale. Clients often say he makes a typically stressful process feel surprisingly smooth and well-supported. Having lived and worked on Sydney’s Upper North Shore for much of his life, Adam has strong ties to the area that go beyond professional experience. His long-standing connection to the community gives him valuable insight into local market patterns, neighbourhood nuances and the character that sets each suburb apart. Adam understands that every property has a story, and every client does too. He listens carefully, builds trust, and focuses on connecting the right buyers with the right homes. Known for his steady, honest approach, Adam supports clients through every step of the process with clear communication and genuine care. He’s built his reputation not on flashy marketing or pressure tactics, but on strong results, consistent follow-through, and a genuine commitment to doing what’s right. At Cass Property, Adam brings experience, integrity and personal attention to every sale.

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Peter McDonagh

Licensed Real Estate Agent

About Peter

Peter has 3 sold property listings over the past 12 months.

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About us

Cass Property is a boutique real estate agency, that takes pride in providing all of its clients with an individualised and affordable service, without compromising on quality. Cass Property facilitates successful sales campaigns by tailoring the process to suit our client's specific personal and budgetary requirements, whilst upholding the highest standard of professionalism, and providing the sales techniques and distinctive marketing skills required to effectively promote our properties.

Seller review

about 2 months ago

Adam is a very caring and wonderful estate agent.

He has helped me negotiate two deals, the buying and selling of as unit and the purchase of an apartment.

Adam Castelnuovo

4.9

(108 reviews)

Seller review

2 months ago

Good quick (off market) sale at good price.

Strategy and communication with Adam was excellent. Adam knows the Hornsby real estate market and the sales results confirms this view. I would highly recommend Adam as your Real Estate agent.

Adam Castelnuovo

4.9

(108 reviews)

Seller review

3 months ago

Seamless Sale and Stellar Service

I had an excellent experience with Adam and his team while selling our unit. Their exceptional service and market expertise made the entire process smooth and stress-free. Communication was timely and consistent, keeping us well-informed throughout. Ultimately, we achieved a fantastic outcome. I highly recommend Adam for anyone looking to sell their property!

Adam Castelnuovo

4.9

(108 reviews)

Seller review

3 months ago

Customer focused and extremely capable

Adam sold our unit and ensured we were kept up to date, no need for chasing. Would highly recommend Adam as an agent focused on doing what he says he will do.

Adam Castelnuovo

4.9

(108 reviews)

Seller review

4 months ago

Awesome agent

Adam and his team were exceptional His knowledge and communication skills are outstanding. Adam could not have been more helpful and patient with our questions and concerns. Adam is your man if you are selling or buying

Adam Castelnuovo

4.9

(108 reviews)

Seller review

5 months ago

Great Experience

Adam has a very good knowledge of his industry recognising how the market is continually changing and advises on sales accordingly with a professional friendly service that I believe was reasonably priced for the results he achieved.

Adam Castelnuovo

4.9

(108 reviews)

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