Nicest duplex in Berkeley, featuring mountain, lake and park views from multiple decks and outdoor spaces. Custom-built and meticulously maintained, with 3300+ sq ft and numerous luxury upgrades. Steps away from Berkeley Lake, Scheitler Rec Center, dog park and booming Tennyson St. The open floor plan includes 3 bedrooms and 5 baths. A stunning floating staircase, wide-plank white-oak hardwood flooring & large kitchen with high-end cabinetry and appliances anchor the first floor, while a wall of sliding doors effortlessly blends indoor and outdoor living spaces. The full-basement features 9-foot ceilings, wet-bar with beverage cooler, secondary laundry room, generous storage space, large guest retreat and luxurious full bath. Relax in your light-soaked primary suite with oversized walk-in closet, lavish bath with oversized walk-in shower, a European soaking tub, dual sinks, & private water closet. There is also a secondary primary suite featuring a terrace with mountain views, expansive walk-in closet and luxurious bath. The third level offers a spacious flex-space featuring a second wet-bar with beverage fridge, half bath, and leads to two spacious roof-top decks with unrivaled views. The front & rear yards offer low-maintenance landscaping. The oversized two car garage, dual hvac & a/c, tankless water heater, transferrable 7-year structural warranty, smart home/security system, & multi-zone irrigation system round out this exquisite home. Elevate your lifestyle in this exceptional property. Seller will provide a one-year home warranty.