4458 Katherine Avenue MAJOR PRICE IMPROVEMENT! Welcome to an exceptional modern farmhouse in the heart of Sherman Oaks' highly sought-after Library Square neighborhood, offering luxury living, impressive smart-home technology, and resort-style indoor-outdoor entertaining. The main residence features five bedrooms and four-and-a-half bathrooms, complemented by a detached bonus retreat with an additional room and bathroom-ideal for a private office, fitness studio, creative space, guests, or flexible living. Inside, soaring ceilings, oversized windows, French oak floors, and abundant natural light create a bright, open atmosphere. The chef's kitchen is beautifully appointed with Thermador appliances, quartz countertops, custom cabinetry, a generous walk-in pantry, and an expansive layout designed for both everyday living and entertaining. Large sliding doors create a seamless connection to the private backyard, where a sparkling pool and spa, fire pit, built-in BBQ, lush greenery, and low-maintenance landscaping create a true Southern California retreat. The impressive primary suite features vaulted ceilings, a fireplace, a private balcony, spacious walk-in closets, and a spa-inspired bathroom with a soaking tub, multi-head shower, dual vanities, and a dedicated grooming station. Additional features include multiple fireplaces, custom built-ins, designer lighting, a wine display, updated surround sound, whole-home water purification, armored doors, high-end security cameras, and integrated smart-home controls for lighting, climate, audio, and security. Ideally located moments from Ventura Boulevard, Whole Foods, Trader Joe's, Westfield Fashion Square, popular restaurants, shopping, parks, and convenient access to the 101 and 405 freeways, this exceptional Library Square residence delivers the privacy, amenities, and lifestyle that define modern Sherman Oaks living.