A rare opportunity to acquire a distinguished four-story brownstone on one of Beacon Hill's most coveted blocks on the Flat. 92 Chestnut Street comprises of three units totaling approximately 6,333 square feet including a full basement with masonry arches and offers two private outdoor spaces, a patio off Unit 1 and a private roof deck from the top floor duplex penthouse Unit 3. The property retains original architectural detail with high ceilings, hardwood floors, and oversized windows with abundant natural light. Rich in history, the building once housed the Warren Museum of Natural History, adding a unique layer of provenance. Unit 3 is a duplex 3BR/2Bath and features a wood-burning fireplace and direct access to the roof deck with sweeping Beacon Hill views. Flexible use as a three-family, condo conversion, or single-family with in-law suite. Building delivered vacant. Pilings inspected and test pit completed February 2026. Engineer's report available. See floorplan. Offered as is

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Listed by Mary Beth Kelley of Keller Williams Realty Boston-Metro | Back Bay

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