At William Maxwell, we prioritize innovation, integrity, and excellence in every property we develop.
Building Your Future
Building Tomorrow's Communities with Purpose
Founded on the principles of quality and sustainability, we have been transforming spaces in Sydney for over a decade. Our mission is to create innovative living environments that enhance the quality of life for residents and foster community connections.
Who We Are
With over 20 years of experience, John Castellano has a wealth of knowledge in property development and construction. Having held Executive Management positions at some of Australias largest land development and construction companies he has successfully delivered thousands of homes, and his extensive experience in land development, gained through his tenure at Stockland, has helped shape many thriving communities.
Daniel O’Brien brings a unique blend of property development and financial expertise to William Maxwell. With over 20 years of experience as both a mortgage broker and property developer, Daniel has overseen the successful completion of numerous land subdivisions and development projects.
Together, John and Daniel represent a partnership built on a shared passion for property and a dedication to achieving exceptional results. Their combined experience in both the construction and financial sectors allows them to offer a comprehensive service that ensures every project is executed to the highest standards, with a focus on long-term value and sustainability.
Contact Us
We would love to discuss your next project and explore how we can help bring your vision to life. Whether you're looking to build, develop, or invest, our team is here to offer expert advice and exceptional service every step of the way.
