100 Charles St

A late-19th-century single-story brownstone conversion on Charles Street in Beacon Hill, the property preserves historic masonry, tall windows, and period details while accommodating modern condo living. Unit types vary from compact studios and efficient one-bed layouts to larger corner two-bedrooms and an upper-floor penthouse; many residences feature high ceilings, hardwood floors, bay or bow windows, working fireplaces, built-ins, and occasional small balconies accessed via French doors. Kitchens and bathrooms have been selectively updated with contemporary fixtures, smart storage solutions, and walk-in showers, balancing original character with practical modernization. Common exterior features are minimal and street-facing; the building’s scale and configuration emphasize direct access to the lively neighborhood rather than large shared amenities. Parking is typically street or nearby garage options rather than on-site; pet policies appear unit-specific. Location is the defining amenity — immediate proximity to Charles Street’s boutiques, cafés, and restaurants, short walks to the Esplanade and Charles River, and convenient transit links to medical centers and downtown. The building appeals to buyers seeking a historic Beacon Hill address with apartment-style living, compact footprints optimized for urban convenience, and strong walkability.