Welcome to "Horsetown USA" and the rare opportunity to own a piece of the desirable Norco Farms community! This delightful, renovated single-story ranch home offers the perfect blend of rural tranquility and suburban convenience, situated on a generous, flat 0.33-acre lot (approx. 14,375 sq. ft.) that serves as a blank canvas for your biggest dreams. Step inside to discover a warm and inviting 1,284 sq. ft. floor plan anchored by a cozy fireplace and a spacious, updated kitchen that flows seamlessly into the dining area and a versatile bonus room with its own entrance-perfect for extra living space or a home office. While the interior is move-in ready, the real magic awaits outdoors in the expansive backyard, where you have ample room to build an ADU, construct a massive workshop, park your RV and boat, keep livestock, or create a lush gardener's paradise. Located just minutes from top-rated schools, Ingalls Park, miles of equestrian trails, and major freeways (I-15 & 91) for an easy commute, 4240 Sierra Ave is the ultimate find for first-time buyers entering the exclusive Norco market or those downsizing to a manageable single-level estate-schedule your tour today and start living the dream!