3718 Welsh Pony Lane THE LARGEST LOT IN KERRIGAN RANCH! Nestled at the end of a quiet cul-de-sac, this magnificent Mediterranean-style residence offers the ultimate in PRIVACY and SPACE. Spanning an extraordinary 41, 000 SQFT LOT, this property directly backs to the serene CHINO HILLS STATE PARK with no rear neighbors and DIRECT ACCESS to premier hiking and biking trails. This versatile floor plan features 6 BEDROOMS and a dedicated EXECUTIVE OFFICE. The main level includes two guest bedrooms with full bathrooms, ideal for multi-generational living or guests. The CHEF’S KITCHEN is a centerpiece of the home, featuring premium THERMADOR stainless steel appliances, a generous center island, and ample cabinetry, opening effortlessly to the grand living and dining areas. The resort-style backyard is an ENTERTAINER’S DREAM, featuring a sparkling pool, spa, covered patio, and a built-in BBQ bar. With nearly an acre of land, there is UNLIMITED POTENTIAL for a future ADU, sports court, or private oasis. Upstairs, the PRIMARY SUITE provides a tranquil escape with a spa-style bath and spacious walk-in closet. Located within the TOP-RATED YORBA LINDA SCHOOL DISTRICT and just moments from the Yorba Linda Town Center’s shopping and dining. Featuring a long private driveway and a 3-CAR GARAGE, this estate offers a rare combination of location and luxury. A MUST-SEE ESTATE IN ONE OF YORBA LINDA’S MOST COVETED COMMUNITIES!