8416 Katherine Avenue Welcome to this breathtaking 4-bedroom, 4-bathroom estate in the prestigious La Canada Flintridge community. A true masterpiece of modern living, this home has been completely reimagined with luxurious upgrades and thoughtful design. Towering ceilings and massive windows flood the open-concept layout with natural light, seamlessly connecting to a chef's kitchen with a bold blue island, quartz countertops, custom cabinetry, and stainless-steel appliances. Two fireplaces add warmth and charm throughout. Extensive upgrades include a new 30-year roof, new copper water lines, new ABS drain lines, 400-amp electrical service, new wiring, a new high-capacity tankless water heater, dual-zone HVAC, new windows, and underground power lines. Outside, enjoy a new saltwater pool with a cascading waterfall, an elevated sun deck, and a covered patio with a fireplace and built-in TV. This turnkey hillside sanctuary awaits you.