Set in the heart of Northwest Berkeley, this charming 1943 split-level home offers an appealing balance of vintage character, versatile living spaces, exceptional energy efficiency, and a welcoming neighborhood where parks, local markets, and convenient transit are all close at hand. With two bedrooms, one and a half bathrooms, a separate office, and approximately 1,374 square feet of living space, the home offers a comfortable and flexible floor plan. The inviting living room is anchored by a classic masonry fireplace, creating a warm setting for quiet evenings and lively gatherings. An adjoining dining room provides an intimate space for shared meals, while the kitchen is conveniently situated for everyday living. Two comfortable bedrooms offer restful retreats, and a generously proportioned office provides flexibility for working from home, creative pursuits, or overnight guests. An unusually spacious laundry and utility room adds practical functionality and storage possibilities. Outside, the fenced backyard offers a private retreat with a spacious deck ideal for al fresco dining, entertaining, or enjoying Berkeley's mild climate. Recently replaced fencing enhances privacy and creates an inviting extension of the home's living spaces. Exceptional energy performance is another distinguishing attribute. The home earned a perfect 10 out of 10 Home Energy Score and benefits from a 4.5 kW rooftop solar installation completed in 2023, double-pane windows, and sealed heating ducts, contributing to impressive efficiency and potentially reduced utility expenses. Beyond the property, Northwest Berkeley offers a vibrant neighborhood lifestyle rooted in community and convenience. The nearby Ohlone Greenway provides a scenic corridor for walking, running, and cycling, while Cedar Rose Park offers playgrounds, open lawns, and recreational amenities. Beloved neighborhood destinations such as Monterey Market and Fellini's Coffee make everyday errands and morning rituals a pleasure. North Berkeley BART, approximately a quarter mile away, provides convenient regional connections, while nearby bus service offers easy access to downtown Berkeley and the UC Berkeley campus. With its inviting character, adaptable living spaces, remarkable energy efficiency, and exceptional location, 1555 Acton Street offers a wonderful opportunity to enjoy the best of Northwest Berkeley living. HES = 10