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.
Listed by Jeannemarie Conley
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Compass
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617-312-3991
Last updated June 05, 2026
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Source: MLSPin #73527728
Listing Facts
TypeSingle-family
NeighborhoodBack Bay East
Bedrooms6
Bathrooms8
Days on Prevu14
Taxes$141,208/year
Size9,624 sqft
Price per sqft$2,281
Amenities
Private Outdoor Space
Air Conditioning
Parking
Location
Mortgage Calculator
Listing History
06/01/2026
Listed by Compass
$21,950,000
Property Details for 129 Commonwealth Avenue
Exterior
Construction
Property Attached: Yes
Roof: Rubber
Year Built: 1899
Year Built Details: Approximate
Construction Materials: Brick
Exterior Features: Deck - Roof, Balcony
Features
Patio And Porch Features: Deck - Roof
Measurements
Building Area Total: 9,624
Building Area Units: Square Feet
Lot Features: Other
Lot Size Acres: 0.07
Lot Size Area: 0
Lot Size Square Feet: 3,237
Lot Size Units: Acres
Financial
Taxes
Parcel Number: 3351981
Tax Annual Amount: $141,208.00
Tax Assessed Value: $11,276,000.00
Tax Year: 2026
Interior
Features
Fireplace: Yes
Fireplaces Total: 8
Flooring: Wood, Marble
Measurements
Living Area: 9,624
Living Area Source: Public Record
Rooms
Bathrooms Full: 5
Bathrooms Half: 3
Bathrooms Total Integer: 8
Bedrooms Total: 6
Rooms Total: 11
Parking
Parking
Open Parking Spaces: 6
Parking Features: Off Street, Deeded
Parking Total: 6
Utilities
Equipment
Cooling: Central Air
Has Cooling: Yes
Heating: Central
Has Heating: Yes
Sewer: Public Sewer
Water Source: Public
Frequently Asked Questions
How many bedrooms and bathrooms does this single-family home have?
There are 6 bedrooms and 8 bathrooms in this single-family home at 129 Commonwealth Avenue.
Does this single-family home have parking?
Yes, there are 6 parking spaces available for 129 Commonwealth Avenue.
What are the annual taxes for 129 Commonwealth Avenue?
Annual taxes for this single-family home are estimated at $141,208.
How does 129 Commonwealth Avenue compare to other single-family homes in Back Bay East?
This single-family home is listed 46% above the average price for single-family homes in Back Bay East and has been on the market for 82 less days than the typical home in this area.
What is the square footage on this single-family home?
According to the MLS, this listing is 9,624 sqft.
129 Commonwealth Avenue is a 6-bedroom, 8-bath single-family home for sale in Boston MA 02116. Available on Prevu for 14 days at $21,950,000. This residence features 9,624 square feet of living space, located in Back Bay East. The median listing price for single-family homes in this area is $3,200,000. The home offers private outdoor space, air conditioning, and parking. Explore more single-family home listings in Boston.
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