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2 Beds
2 Baths
1,038 sqft

$1,800,000

21 Walnut # M, Boston MA, 02108

Price per sqft$1,734.10
Built in1875
Property size1,038 sqft
Property typeCondominium

Overview

Active

Listed Jul 14, 2026

Updated 9 days ago

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 Charles River,Esplanade and all and restaurants along nearby Charles St and the Back Bay.

$11,975/mo

Est. mortgage payment based on a $1,800,000 home price.

All estimates are provided by Luxury Presence for informational purposes only. Actual amounts may vary.

Additional information

MLS® ID
73549276

Interior Features

Bedrooms
2
Bathrooms
2
Fireplace
Yes
Cooling
Yes
Heating
Yes
Basement
Yes

Exterior Features

Lot Size
0.02 Acres

Other Property Details

Taxes
$16,885
Tax Frequency
Annually
Association Fee Frequency
Monthly
55+/Senior Community
No

This listing is provided by Rebecca Davis Tulman and Leslie Singleton Adam with Gibson Sotheby's International Realty

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Data last updated 11:34 AM UTC, 9/14/2026

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