Active
58 Days on market
21 Walnut #M Boston — Photo 1 of 21

21 Walnut #M Boston — Photo 1 of 21

$1,800,000

21 Walnut #M, Boston, MA 02108

Boston, MA 02108 — Beacon Hill

Beds

2

Baths

2

SqFt

1,038

Style

Condominium

Built

1875

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.

Open Houses

Market Value Analysis

This Property
Size (SqFt) →Price →
This Property$1734/sqft
Local Avg (Boston)$1057/sqft
64% AboveMarket Average

* Analysis is based on 24 actively listed and recently sold comparable properties strictly within Boston, MA.

Property Details

Financials

Original Price$1,800,000
Annual Taxes$16,885
HOA Fee$1000.73

Parking

Garage0
Off-Street0

Interior Specifications

Total Rooms5
Fireplaces1
FlooringFlooring - Stone/Ceramic Tile
BasementN

Climate & Utilities

HeatingBaseboard
CoolingHeat Pump
WaterPublic
SewerPublic Sewer

Building & Exterior

ConstructionBrick
Roof--
Foundation--
ZoningCD

Property & Lot

Acres0.02
SqFt Lot1,038
Lot Features--

Neighborhood

Public Transportation • Shopping • Tennis Court(s) • Park • Walk/Jog Trails • Medical Facility

Geography

Floorplan Breakdown

Structural Layout

Second
Master BedroomBedroom 2Bathroom 1Bathroom 2
First
Living RoomDining RoomKitchen
Living Room
Lvl First

12 x 18

Flooring - Hardwood, French Doors, Exterior Access

Dining Room
Lvl First

11 x 14

Kitchen
Lvl First

11 x 15

Flooring - Stone/Ceramic Tile

Master Bedroom
Lvl Second

14 x 11

Skylight, Closet, Flooring - Hardwood

Bedroom 2
Lvl Second

9 x 13

Bathroom 1
Lvl Second

9 x 6

Bathroom - Full

Bathroom 2
Lvl Second

6 x 5

Bathroom - Full, Bathroom - With Shower Stall

Population

3,794

U.S. Census Bureau, ACS 2024 5-Year Estimates (B01003)

Median Household Income

$213K

U.S. Census Bureau, ACS 2024 5-Year Estimates (B19013)

Renter-Occupied Homes

49.4%

U.S. Census Bureau, ACS 2024 5-Year Estimates (B25003)

New Construction Permits — Suffolk County

2,527 housing units permitted in the last 12 months (+37% vs the prior 12 months) — 2,269 in 5+ unit buildings

U.S. Census Bureau, Building Permits Survey (through Jun '26)

Listing Provided By

Listing Agent: Rebecca Davis Tulman And Leslie Singleton Adam

Listing Office: Gibson Sotheby's International Realty

MLS® Number: 73549276

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