In Lafayette, a distinguished East Bay enclave celebrated for its high quality of life, oak-studded hills, mild climate, and strong sense of community, 3621 Chestnut Street emerges as an uncommon multifamily offering. Multi-family properties in this area trade infrequently, given the dominance of single-family residences in the local market, making this three-unit setup a distinctive prospect for those pursuing reliable income streams or owner-occupancy in a setting of enduring appeal. Encompassing 1,426 square feet on a 4,550-square-foot lot across two stories, this duplex with a newly constructed detached ADU emphasizes privacy and functionality. The main duplex includes Unit A (2 bedrooms, 2.5 bathrooms) and Unit B (1 bedroom, 1 bathroom), each with separate entrances, in-unit laundry, upgraded bathrooms, and kitchens equipped with granite slab counters and gas cooktops. Modern conveniences such as central heating and air conditioning, a tankless water heater, and separate utility meters facilitate efficient tenant management. The detached ADU provides an additional 1-bedroom, 1-bathroom space, complemented by a large fenced yard featuring a patio and garden area for outdoor enjoyment. Ideally positioned with a Walk Score of 92/100, the property offers walkable access to downt