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129 Commonwealth AvenueBoston, MA 02116

For Sale

$21,950,000

Smart Buyer Rebate $109,750

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

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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.

The property listing data and information, or the Images, set forth herein were provided to MLS Property Information Network, Inc. from third party sources, including sellers, lessors, landlords and public records, and were compiled by MLS Property Information Network, Inc. The property listing data and information, and the Images, are for the personal, non commercial use of consumers having a good faith interest in purchasing, leasing or renting 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, leasing or renting. 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, or as to the accuracy of any of the Images, set forth herein.

Full MLS Disclaimers

Rebate estimate is indicative only and based on listing price and estimated buyer's agent commission paid by owner, if applicable. Final rebates are subject to Terms of Use and may vary due to final negotiated transaction terms.