Designed in 1937 & lived in by noted modernist architect George Brigham, this distinctive home pairs sleek, light-filled spaces with thoughtful updates that respect its architectural history. Built as a duplex, it has also been lived in as a SFH. Signature Brigham-designed light fixtures, built-ins, & natural fireplaces preserve its original refined & timeless character, while a flexible layout provides bedrooms, baths, & living space on both levels—well suited to multigenerational living, guests, work-from-home needs, or 2 distinct living spaces. Accessible 1st-floor suite features zero-entry shower & floating sink, while 2nd-floor primary suite creates a restful retreat w/en suite, WIC, & fireplace, plus another light-filled family room with new triple-pane windows & private balcony. Unique corner windows allow unobstructed views of the serene & lovely setting in the heart of Ann Arbor. Home Energy Score of 1. Download report@ stream.a2gov.org. Live within a legend at 517-515 Oswego! The generous main living room offers space for multiple seating and activity areas. The finished lower level adds a full bath and another bright family room, providing even more versatility. Outside, the spacious fenced yard, paver patio, and deck offer ample room for gardening, recreation, and entertaining, while the two-car attached garage provides convenient parking and storage. Your front door is just a few steps to the Arboretum entrance on Geddes Avenue. A quick walk or bike ride to the South University district or even Main Street and Kerrytown gives easy access to Ann Arbor's marvelous cultural events, University life, and the renowned University of Michigan Hospital. Practical recent updates include new insulation, water heaters, and roof. Separate electric and gas meters; two addresses. Thoughtfully updated with deep respect for Brigham's original vision, this remarkable home offers the best of modernist architecture, adaptable everyday living, and enduring Ann Arbor character.