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
| Units | 3 |
| Living area | 5,779 sqft |
| Lot size | 1,540 sqft |
| Year built | 1848 |
| Price / sqft | $952 |
| County | Suffolk |
| MLS # | 73489655 |
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Listing courtesy of a MLS PIN member office. Listing data © MLS PIN.
Auto-generated from the listing data — richer AI answers coming with the live site.
It is a 3-unit multi-family property with 5,779 sqft of living area, built in 1848.
At a list price of $6,000,000 across 3 units, that works out to roughly $2,000,000 per unit.
At $6,000,000 for 5,779 sqft, that's about $952 per square foot.
92 Chestnut St, Boston MA 02108 is in Boston, Suffolk County, MA 02108.

Justin Rollo is a Broker Associate with Signal Real Estate (MA Lic. #9534264) and a lifelong Massachusetts resident. Over 14 years and hundreds of transactions, he has worked investment properties — multi-families and house-hacking — across Greater Boston full-time. Away from real estate, Justin is a proud dad, youth coach and local school-committee member — and a former professional poker player who still loves golf and following local sports.