129 Commonwealth Avenue Boston MA 02116 MLS #73527728

129 Commonwealth Avenue
Boston, MA, 02116
$21,950,000
6 Beds
6.5 Baths
9,624 SqFt
0.07 Acres
$21,950,000
129 Commonwealth Avenue
Boston, MA, 02116
MLS #73527728 image #0
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 façade, 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

Price:
$21,950,000
MLS #:
73527728
Status:
Active
Beds:
6
Baths:
6.5
Type:
Single Family
Subtype:
Single Family Residence
Neighborhood:
backbay
Listed Date:
Jun 1, 2026
Finished Sq Ft:
9,624
Total Sq Ft:
9,624
Lot Size:
3,237 sqft / 0.07 acres (approx)
Year Built:
1899
Back BayBackbay

Schools

Interior

Above Grade Finished Area
9124
Bathrooms
5 Full Bathrooms, 3 Half Bathrooms
Below Grade Finished Area
500
Cooling
Central Air
Fireplaces Total
8
Flooring
Wood, Marble
Heating
Central
Levels
Multi/Split

Exterior

Construction Materials
Brick
Exterior Features
Deck – Roof, Balcony
Lot Features
Other
Open Parking Spaces
6
Parking Features
Off Street, Deeded
Parking Spots
6
Parking Total
6
Patio And Porch Features
Deck – Roof
Roof
Rubber

Financial

Tax Year
2026
Taxes
$141,208
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Marie Andrews

Marie Andrews

Realtor®, Broker/Owner, GBREB, Notary Public

Marie Andrews is an award-winning, licensed real estate broker with licenses in Massachusetts and Florida. She has been selling real estate in the greater Boston area for over 20 years. Over the past two decades, Marie has worked for Century 21 Advanced Realty, building a reputation as a multi-million dollar producer. She has developed an extensive network of investors, lenders, and attorneys. Marie has a wide knowledge base on property management, Massachusetts real estate law, and building…

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Current real estate data for Single Family in Boston as of Jun 20, 2026
440
Single Family Listed
112
Avg DOM
706
Avg $ / SqFt
$1,979,496
Avg List Price

Community

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Property Summary

    129 Commonwealth Avenue Boston MA is a Single Family for sale in Boston, MA, 02116. It is listed for $21,950,000 and features 6 beds, 7 baths, and has approximately 9,624 square feet of living space, and was originally constructed in 1899. The current price per square foot is $2,281. The average price per square foot for Single Family listings in Boston is $706. The average listing price for Single Family in Boston is $1,979,496. To schedule a showing of MLS#73527728 at 129 Commonwealth Avenue in Boston, MA, contact your Pegasus Realty LLC agent at 781-858-3505.
Courtesy of Compass. The property listing data and information 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 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 set forth herein.
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129 Commonwealth Avenue
Boston, MA