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No photos available for this listing

$21,950,000

129 Commonwealth Avenue, Boston MA 02116
Boston, MA 02116
Listed by Jeannemarie Conley
Bedrooms
6
Bathrooms
5.3
Living area
9,624 sqft
Year built
1899

About this home

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.

Highlights

Fireplace

Property details

MLS #
73527728
Property type
Single Family Residence
Subdivision
N/A
Status
Active
Days on market
N/A
On market date
N/A
Stories
N/A
Garage spaces
N/A
Lot size
0.07 acres

Location

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Nearby schools

Within 10 miles · public school directory data (NCES)

Elementary
Josiah Quincy
0.74 mi away · Grades -1-5
Nearest school -- attendance-zone data not available here
5.0
Local Score (student-teacher ratio only (preliminary -- will incorporate state test-score data once available)) -- not an official state rating
Enrollment
711
Student:teacher ratio
10.9:1
District
Boston
Middle
Cambridge Street Upper School
1.52 mi away · Grades 6-8
Nearest school -- attendance-zone data not available here
5.0
Local Score (student-teacher ratio only (preliminary -- will incorporate state test-score data once available)) -- not an official state rating
Enrollment
279
Student:teacher ratio
7.5:1
District
Cambridge
High
Snowden International School at Copley
0.13 mi away · Grades 9-12
Nearest school -- attendance-zone data not available here
4.0
Local Score (student-teacher ratio only (preliminary -- will incorporate state test-score data once available)) -- not an official state rating
Enrollment
485
Student:teacher ratio
12.8:1
District
Boston

Mortgage calculator

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Est. monthly payment
$132,335/mo
$4,390,000 down
$17,560,000 loan
Principal & interest$113,894
Property tax (est.)$18,292
Home insurance (est.)$150

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Data source: Listing information provided by MLS Property Information Network via Trestle/CoreLogic. Last updated June 5, 2026.

Information herein deemed reliable but not guaranteed; all measurements, school assignments, HOA fees, taxes, and feature lists are approximate and should be independently verified. Equal Housing Opportunity.