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129 Commonwealth Avenue — Photo 11 / 30

$21,950,000

Active

129 Commonwealth Avenue

Boston, MA 02116

6Beds
6.5Baths
9,624Sq Ft
$2,281$/Sq Ft
3,237 sqftLot
1899Built
9Days on Market

Listed by Jeannemarie Conley at Compass

Listing courtesy of Jeannemarie Conley, Compass

Location

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About This Property

Exquisite, wide Back Bay townhouse on the sunny side of Commonwealth with large private roof deck, magnificent views, Juliet balcony, and 6 outdoor parking showcases exceptional bones and timeless character. Expansive windows provide outstanding natural light, highlighting the home's historic charm and original detail. The property offers a versatile floor plan for customization, with approximately 10,000+/-sf to create luxurious spaces and exceptional entertaining space. Currently exhibiting an open and airy kitchen, soaring ceilings, a stately dining room, beautiful paneled library, 5+ well-proportional bedrooms, abundant closets, and a separate au pair suite, it is one of only a few single family homes in this highly coveted neighborhood. Its distinguished fa'ade, irreplaceable location, and palatial scale present an extraordinary canvas for a discerning buyer. Elevator to all floors, 8 fireplaces, and grandeur complete this home's spectacular offering. Some photos virtually staged.

Property Details

Key Facts

Property Type

Single Family

Style

Multi-Level/Split

Year Built

1899

Living Area

9,624 sqft

Lot Size

3,237 sqft

Rooms

11

Bedrooms

6

Bathrooms

6.5 (5 full, 3 half)

Construction

Exterior

B

Basement

No Basement

Flooring

Softwood, Slate

Parking Spaces

6

Systems & Utilities

Heating

Forced Hot Air

Cooling

Central Air

Water

City/Town Water

Sewer

City/Town Sewer

Financial

Taxes (2026)

$141,208/yr

Price / Sqft

$2,281/sqft

MLS #

73527728

Days on Market

9

Price History

Listed

Jun 1, 2026

$21,950,000

No price changes recorded.

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Listing Courtesy Of

Jeannemarie Conley · Compass
(617) 206-3333

MLS #73527728

Listing information provided by MLS Property Information Network, Inc. (MLS PIN). Data last updated June 10, 2026. Information deemed reliable but not guaranteed. © 2026 Steinmetz Real Estate Professionals at William Raveis Real Estate. Equal Housing Opportunity.

Home Value