First time ever on the market, this timeless 8 bed + 4 bath duplex, imagined and built by AIA architect Ralph Contreras in 1971. The rear unit, 6820, was completely remodeled, top to bottom, keeping the Mid-Century design elements. Enter the first floor of the residence to a light-dappled living space, including the first bedroom, perfect for an office, or studio space, and a tiled 3/4 bath, as well as a dedicated laundry area. The kitchen, is central and open, where conversation and cuisine intersect! The living room opens onto its own private fenced patio, space for gardening, and al fresco dining. New, durable wood laminate flooring throughout the unit, and all new fixtures and finishes. Upstairs, three additional, spacious bedrooms, all featuring well-sized closets, and a full bath. "Less is more" echoed in the sharp angles and clean lines, with the focus dedicated to a blending of exterior-interior, highlighted by the large windows throughout. Unit 6818 is occupied by a long-term tenant. This unit also features its own private, fenced outdoor area, and has a layout of rooms/ floors that is the mirror-image unit 6820. At the back of the building, find a large communal area. At the front of the property, find the private, gated 4-space parking lot, bringing the lot's total sqft to just over 5000. The entire, almost 3000 sqft building was re-piped in 2023 with full exterior paint in 2024. Located in the dynamic Highland Park neighborhood of the Arroyo, home to San Pasqual STEAM Magnet Elementary, Park and Stables, Arroyo Seco Racquet Center, and golf course. Easy access to the 110 freeway, as well as nearby cafes, markets, and entertainment of Highland Park, Eagle Rock, Pasadena, and South Pasadena. This unique duplex, perfect for either an owner-user or an investor, presents a once-in-50+ year opportunity! Occupied unit shown upon accepted offer only.