For Sale

21 Walnut St Unit Maisonette, Boston, MA

Boston · MA 02108

$1,695,000
Price
2
Beds
2
Baths
1038
Sq. ft.

Overview

Property type: Single Family
Year built: Built in 1875
Lot size: 1,038 Sq.Ft Lot
Price per square foot: $1,633 / Sq.Ft
Parking: No Parking
Heating & cooling: Heat, Electric, AC

About this home

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.

Neighborhood & Transit

Beacon Hill

21 Walnut St, Boston · MA 02108

Nearby transit

Within 0.5 mile, measured straight-line to the nearest station entrance.

  • Park Street GreenRed 0.22 mi
  • Charles/MGH Red 0.31 mi
  • Downtown Crossing OrangeRed 0.32 mi
  • Bowdoin Blue 0.33 mi
  • Boylston Green 0.34 mi
  • Government Center BlueGreen 0.38 mi
  • State BlueOrange 0.41 mi
  • Chinatown Orange 0.42 mi
  • Arlington Green 0.47 mi

Price Insight

Days on Market:
18 days
Listing Price:
$1,695,000
Price per Sq.Ft:
$1,633
Tax Assessment:
$1,458,100 in 2025
Taxes:
$1,407 / Monthly

Home Facts

Interior Features

Bedrooms
2
Full Bathrooms
2
Half Bathrooms
0
Living Area
1,038 Sq.Ft
Broker Disclosure about Living Area
Front Courtyard shared with adjacent condo, courtyard at rear is private to this unit.
Kitchen
Main Floor, Flooring - Stone/Ceramic Tile
Primary Bedroom
Floor 2, Skylight, Closet, Flooring - Hardwood, En-suite bathroom
Laundry
Unknown
Living levels
Unknown
Rooms
5
Above grade area
1038
Flooring
Unknown
Lead paint
Unknown

Utilities

Heating Type
Electric Baseboard
Heating Zone
1
Cooling
Heat Pump
Cooling Zones
3
Water
City/Town Water
Sewer
City/Town Sewer
Electric Features
110 Volts

Exterior Features

Lot Size
1,038 Sq.Ft
Lot Description
Corner Lot
Exterior Features
Unknown

Parking

Garage Parking
0 Parking Spaces
Off Street Parking
None

Construction Details

Construction Type
Brick
Siding
Unknown
Roof
Unknown

Green Features

Electric Vehicle Charger
Unknown
Solar Panels
Unknown
Green Certified
Unknown
Insulation Features
Unknown
Energy Features
Unknown

Room details

Living room level
First Floor
Living room dimensions
12X18
Living room features
Fireplace, Flooring - Hardwood, French Doors, Exterior Access
Dining room level
First Floor
Dining room dimensions
11X14
Kitchen dimensions
11X15
Primary bedroom dimensions
14X11
Bedroom 2 level
Second Floor
Bedroom 2 dimensions
9X13
Bedroom 2 features
Skylight, Closet, Flooring - Hardwood, Window Seat
Bathroom 1 level
Second Floor
Bathroom 1 dimensions
9X6
Bathroom 1 features
Bathroom - Full
Bathroom 2 level
Second Floor
Bathroom 2 dimensions
6X5
Bathroom 2 features
Bathroom - Full, Bathroom - With Shower Stall

Listing information

Listing agent
Rebecca Davis Tulman and Lesli
Listing office
Gibson Sotheby's International Realty
MLS PIN #
73591995
Disclosure
Part of the 1-3 Chestnut Street Condominium
Disclosure
Front Courtyard shared with adjacent condo, courtyard at rear is private to this unit.