21 Walnut #M, Boston, MA 02108

Boston
Local realty services provided by:ERA Millennium Real Estate
21 Walnut #M,Boston, MA 02108
$1,800,000
  • 2 Beds
  • 2 Baths
  • 1,038 sq. ft.
  • Condominium
  • Active
Listed by: rebecca davis tulman and leslie singleton adam
Office: gibson sotheby's international realty
MLS#:73549276
Source:MLSPIN

Price summary

  • Price:$1,800,000
  • Price per sq. ft.:$1,734.1
  • Monthly HOA dues:$1,001

About this home

Just off iconic Chestnut Street, this exceptional Beacon Hill maisonette offers the rare combination of a private entrance, lush 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.

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Home facts

  • Year built:1875
  • Listing ID #:73549276
  • Updated:August 26, 2026 at 10:39 AM

Rooms and interior

  • Bedrooms:2
  • Total bathrooms:2
  • Full bathrooms:2
  • Rooms Total:5
  • Flooring:Flooring - Stone/Ceramic Tile
  • Kitchen Description:Flooring - Stone/Ceramic Tile
  • Living area:1,038 sq. ft.

Heating and cooling

  • Cooling:3 Cooling Zones, Heat Pump
  • Heating:Baseboard

Structure and exterior

  • Year built:1875
  • Building area:1,038 sq. ft.
  • Lot area:0.02 Acres
  • Construction Materials:Brick
  • Exterior Features:Courtyard, Garden, Patio - Enclosed

Utilities

  • Water:Public
  • Sewer:Public Sewer

Finances and disclosures

  • Price:$1,800,000
  • Price per sq. ft.:$1,734.1
  • Tax amount:$16,885 (2025)

Features and amenities

  • Appliances:Intercom
  • Laundry features:In Unit
  • Amenities:Closet, Entrance Foyer

Parking

  • Parking description:On Street
The property listing data and information, or the Images, set forth herein were provided to MLS Property Information Network, Inc. from third party sources, including sellers, lessors and public records, and were compiled by MLS Property Information Network, Inc. The property listing data and information, and the Images, are for the personal, non-commercial use of consumers having a good faith interest in purchasing or leasing listed properties of the type displayed to them and may not be used for any purpose other than to identify prospective properties which such consumers may have a good faith interest in purchasing or leasing. MLS Property Information Network, Inc. and its subscribers disclaim any and all representations and warranties as to the accuracy of the property listing data and information, or as to the accuracy of any of the Images, set forth herein.

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