Welcome to this Spanish Colonial Hilltop estate designed by Dale St. Charles and set on a quiet cul-de-sac in sought-after Cowan Heights. Reflective of California's rich mission history, "rustic elegance" is evident throughout this one-of-a-kind home. Beamed ceilings and Saltillo tile floors span the Grand Entry, Living & Dining spaces encircled with Panoramic views of unadorned mountain ranges and stunning sunsets that only a hilltop property such as this can offer. Step out to one of the many balconies and breathe in pure "serenity." Inside, a rugged stone fireplace, hand-painted Spanish tiles, curated iron sconces, arched doorways & hand-troweled walls create a sense of warmtth. Quartzite counters adorn white oak furniture-quality cabinetry in the remodeled kitchen w/ Viking range where sunrise views are enjoyed from the breakfast nook & balcony. Enjoy quality family time in the Game room complete with pool table, nook & bar with fridge & wine storage. Two sets of French doors off the Family room open to a fabulous indoor/outdoor living room w/ built-in BBQ. Throughout the 4,530 SQFT home (plus 400 SF outdoor "under roof" cabana, Five bedrooms & 4.5 baths include the Primary bedroom with Catalina views, balcony, bath w/ limestone shower & vanity, and walk-in closet, a second Primary bedroom on main floor w/ wall of book cases, two closets & adjacent bath, Jack & Jill bedrooms that share a bath w/ jetted tub and a 5th bedroom is ensuite w/walk-in closet & unobstructed views. Additional interior features include wood plank flooring, guest bath w/ marble-topped vanity & direct pool access, sunny laundry room w/views, desk and laundry chute, Solar panels which reduce electric bill to almost nothing, Newer windows & doors, 3 HVAC units and an 1,100 SQFT three car garage plus storage room. Lush 3/4 Acre Grounds offer outdoor living room, raised patio w/ stone fireplace, romantic lighting and sunset views, charming rear courtyard shaded by a mature olive tree and terraced orchard with mature avocado, citrus and pomegranate trees. Limitless potential to add sports court, horse stables and more. Hike and bike in Peters Canyon Park & dine and shop at local restaurants and boutiques. Within the boundaries of North Tustin's award winning schools and only 30 minutes to the beach, an hour to LA and 2 hours to the desert or snow. Surrounded by nature, warm weather and small town family-oriented people, you truly could not dream of a better place to live!