Introducing 9911 Overhill Drive in North Tustin's coveted Cowan Heights - A private legacy estate waiting for its next chapter. Making its market debut this year, this custom-built estate defines the North Tustin lifestyle. Set behind gates on over half an acre and backing to the scenic expanse of Peter’s Canyon, this rare hillside sanctuary blends timeless design with natural serenity. Designed for both everyday comfort and next-level entertaining, the 5-bedroom, 4-bath home offers 3,576 sq ft of flexible living space, with walls of windows, high ceilings, and curated details throughout. The main-level primary suite is a serene escape with its own fireplace and spa-inspired bath, while the chef’s kitchen opens to an airy great room and casual dining, making it the hub of the home. Step outside and prepare to be wowed: a sand volleyball court, sparkling pool + spa, full outdoor kitchen, and entertainer’s pavilion deliver the ultimate resort lifestyle - all within your own tranquil, secluded compound. There's even a wine cellar, a sprawling lawn for weekend games or gatherings, and plenty of room to add an ADU or guest house if desired. Moments from hiking trails, top-rated schools, and everything that makes North Tustin one of Orange County’s most desirable neighborhoods.

Total population of , which has changed by % since 1990.
The median age of the population is , while the median age of dwellings is .
Out of households, are families.