Welcome to 4447 Walnut Street, a thoughtfully designed ranch-style residence nestled in one of Chino’s most desirable neighborhoods. This spacious main home offers 4 bedrooms and 3 baths across over 4,100 sq ft of living space, perfectly blending classic charm w/ modern upgrades. One of the standout features of this property is the additional detached guest house (granny suite) over the garage—perfect for multi-generational living, visiting family, a private home office or generating rental income. The guest house of over 400 sq ft -a full studio, full bath & kitchen- is a versatile space that adds tremendous value, privacy & flexibility to the home. Step inside the main house to discover an inviting formal living room & large sunken family room that flows seamlessly into a spacious den—ideal for entertaining, relaxing, a dream home office or media room. The dining room is filled w/ natural sunlight streaming from the skylit ceiling. The kitchen is a chef’s delight w/ample counter space, making meal prep & gatherings effortless. The expansive primary bedroom suite offers a private retreat w/ a dedicated bathroom & generous closet space, thoughtfully separated from other bedrooms for ultimate privacy & comfort. You'll find a second bedroom with ensuite bathroom; 3rd and 4th bedrooms share a common bath. Additional highlights in main home include: Wood laminate flooring. Living room, separate sunken family room and den. Additional kitchenette w/ wet bar & indoor grill steps to the sunken family room & den. Cozy fireplace for those cold winter nights. Convenient mudroom and/or laundry room. The detached guest house over the garage include: A studio with closet. Full bath. Full kitchen. Additional highlights include: An inviting pool for those hot summer days & nights. Spa to relax any time of day. Large lot of 17,000 sq ft w/ room for outdoor activities & gatherings. Located close to top-rated schools, shopping, parks & major freeways for easy commuting. Whether you’re looking for a comfortable family home, a multi-general living space that provides both proximity & independence, space to entertain guests or a property w/ income potential, this home checks all the boxes! With generous living spaces & a granny suite, a sprawling lot & thoughtful updates throughout, this custom home is move-in ready & designed for comfortable California living. Don’t miss your chance to own this exceptional Chino gem—schedule your private tour today!