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For Sale

21 Walnut, Boston MA 02108

Boston, MA 02108

$1.7M
2 BD · 2 BA · 1,038 sf · 0.02 ac · Built 1875
The residence

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.

At a glance
Property type
Single Family Residence
Status
Active
Year built
1875
Lot size
0.02 acres
Living area
1,038 sf
MLS#
a560266eb81b736db8b50262204e7ae5
Beds · Baths
2 · 2
Location

Boston, MA.

Boston keeps its history in plain sight — brick, granite and gaslight along streets laid down long before the grid. Life here runs on short distances: the harbour, the Common, the theatre district and the river all within a walk of one another.

Estimated Monthly Payment+
$8K/mo
Approximate · principal & interest only
Display Currency
$1.7M

Indicative conversion — settlement always in USD.

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Listing courtesy of Gibson Sotheby's International Realty · MLSPIN

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Listings updated Oct 21, 2026

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