SJC develops luxury homes across the eastern seaboard from our base in Thirroul, 1 hour from the Sydney CBD Current Projects SJC property balances quality, abundance, and convenience to a fine art. With inspiration and influence from the industries finest operators. SJC seeks to always acquire properties that draw strength from the vibrancy of their surroundings to create a place that genuinely celebrates the Coast of Australia. Testimonials Follow our journey.