Just off iconic Chestnut Street, this exceptional Beacon Hill maisonette offers the rare combination of a private entrance, landscaped garden, and secluded patio in the coveted South Slope. Rich in architectural detail and filled with natural light from abundant windows and skylights, this elegant duplex lives like a private townhouse. The fireplaced living room opens to the private terrace, while the beautifully updated kitchen features stone countertops, custom cabinetry, and stainless appliances. A spacious den overlooking the garden provides an ideal home office or dining area. Upstairs are two generous skylit bedrooms, including a tranquil primary suite with large closets and a marble bath with radiant heated floors. Hardwood floors, Miele washer/dryer, air conditioning, and deeded storage complete this rare offering, just moments from Boston Common, the Public Garden, the Esplanade and all the shops and restaurants along Charles St.
This home has been viewed 9 times
Last Checked: October 22nd, 2026 at 9:43am (Source: MLS PIN #73591995)
Air Conditioning
Waterview
Lead Paint Free
General Information for 21 Walnut, Boston MA 02108
Listing ID73591995
Property TypeSingle Family / Attached
Price$1,695,000 ($1,632.95/SqFt)
StyleColonial
CityBoston
CountySuffolk
MLS AreaBeacon Hill
Neighborhood(s)
Garage Parking0
ZoningCD
Year Built1875
Year Built SourcePublic Records
Year Built DetailsActual
Handicap Access / Features0
Interior Features for 21 Walnut, Boston MA 02108
Approximate Living Area Total1038
Living Area Includes BasementNo
Rooms5
Bedrooms2
Primary En Suite BathroomYes
Basement
Cooling1, Split
Fireplaces
Appliances
FlooringTile
Electric220 Volts
Exterior Features for 21 Walnut, Boston MA 02108
Approximate Lot Size (Acres)0.02
Approximate Lot Size (Square Feet)1038
Total Parking0
Garage Parking0
WaterPublic
SewerPublic Sewer
Lot FeaturesGentle Sloping
Parking Features
Exterior Features
Foundation Materials
Construction MaterialsFrame
Road Frontage Type
Patio & Porch
Roof Material
Utility Connections
Water ViewsNo
Water Views Features
Waterfront0
Waterfront Features
Pool Features
Horse Permitted0
Horse Amenities
Disclosures for 21 Walnut, Boston MA 02108
Lead PaintNone
UFFI
Living Area Includes BasementNo
Living Area Disclosure
Building Area SourcePublic Records
Special Listing Conditions
ExclusionsSurveillance Devices
Compensation Based On
Financial Information for 21 Walnut, Boston MA 02108
Association Fee
Association Fee Frequency
Association Fee Includes
Real Estate Tax16885
Tax Year2025
Assessed Value$1,458,100
Location Information for 21 Walnut, Boston MA 02108
Neighborhood(s)
MLS AreaBeacon Hill
Area AmenitiesWalk/jog Trails
Contact Information for 21 Walnut, Boston MA 02108
Agent
Name: Rebecca Davis Tulman and Leslie Singleton Adam