$21,950,000

129 Commonwealth Ave Boston, MA 02116

Back Bay Neighborhood

Estimated payment $129,634/month

Total Views 6,022
6 Beds
8 Baths
9,624 Sq Ft
$2,281 Price per Sq Ft

Highlights

  • Popular Property
  • 4-minute walk to Copley Station
  • 8 Fireplaces
  • Deck
  • Marble Flooring
  • 1-minute walk to Commonwealth Avenue Mall

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.

Listing Agent

Jeannemarie Conley

Compass Listed on: 06/01/2026

Compass

Home Details

Home Type

  • Single Family

Est. Annual Taxes

  • $141,208

Year Built

  • Built in 1899

Home Design

  • Split Level Home
  • Brick Exterior Construction
  • Rubber Roof

Interior Spaces

  • 8 Fireplaces

Flooring

  • Wood
  • Marble

Bedrooms and Bathrooms

  • 6 Bedrooms

Parking

  • 6 Open Parking Spaces
  • Off-Street Parking
  • Deeded Parking

Outdoor Features

  • Balcony
  • Deck

Additional Features

  • 3,237 Sq Ft Lot
  • Central Heating and Cooling System

Community Details

  • No Home Owners Association

Listing and Financial Details

  • Assessor Parcel Number 3351981

Home Details

Home Type

Single Family

Est. Annual Taxes

$141,208

Year Built

Built in 1899

Lot Details

3,237 Sq Ft Lot

Listing Details

  • Property Type: Residential
  • Property Sub Type: Single Family Residence
  • Year Built: 1899
  • Levels: Multi/Split
  • Year Built Details: Approximate
  • MLSPIN_ADU: N
  • MLSPIN_BEACHFRONT_FLAG: No
  • Special Features: None

Interior Features

  • Flooring: Wood, Marble
  • Fireplace YN: Yes
  • Fireplaces: 8
  • Total Bedrooms: 6
  • Basement YN: No
  • Full Bathrooms: 5
  • Half Bathrooms: 3
  • Total Bathrooms: 8
  • Master Bathroom Features: Yes
  • Above Grade Finished Sq Ft: 9124
  • Below Grade Sq Ft: 500
  • Living Area: 9624
  • Spa YN: No
  • MAIN LO: AN2383

Exterior Features

  • Exterior Features: Deck - Roof, Balcony
  • Construction Materials: Brick
  • Foundation Details: Other
  • Home Warranty YN: No
  • Patio And Porch Features: Deck - Roof
  • Roof: Rubber
  • Waterfront YN: No

Garage/Parking

  • Garage YN: No
  • Open Parking Spaces: 6
  • Parking Features: Off Street, Deeded
  • Total Parking Spaces: 6

Utilities

  • Sewer: Public Sewer
  • Cooling: Central Air
  • Heating: Central
  • Cooling Y N: Yes
  • Heating YN: Yes
  • Water Source: Public

Condo/Co-op/Association

  • Association YN: No
  • Senior Community YN: No

Lot Info

  • Parcel Number: 3351981
  • Zoning: Res
  • Farm Land Area Units: Square Feet
  • Lot Features: Other
  • Lot Size Acres: 0.07
  • Lot Size Sq Ft: 3237
  • Lot Size Units: Acres
  • Property Attached YN: Yes

Tax Info

  • Tax Year: 2026
  • Tax Annual Amount: 141208

Multi Family

  • Basement Included Sq Ft: Yes

Map

Range of Values:

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Value Increase
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Home Values in the Area

Source: Public Records

Average Home Value in this Area





Source: Public Records

Tax History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Year Tax Paid Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. Land Improvement
2025 $126,798 $10,949,700 $4,281,400 $6,668,300
2024 $113,965 $10,455,500 $4,069,900 $6,385,600
2023 $112,292 $10,455,500 $4,069,900 $6,385,600
2022 $106,844 $9,820,200 $3,876,100 $5,944,100
2021 $102,726 $9,627,600 $3,800,100 $5,827,500
2020 $98,594 $9,336,600 $3,205,900 $6,130,700
2019 $93,695 $8,889,500 $2,614,600 $6,274,900
2018 $87,099 $8,311,000 $2,614,600 $5,696,400
2017 $83,823 $7,915,300 $2,614,600 $5,300,700
2016 $83,767 $7,615,200 $2,614,600 $5,000,600
2015 $86,860 $7,172,600 $1,635,400 $5,537,200
2014 $85,934 $6,831,000 $1,635,400 $5,195,600
Source: Public Records

Property History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Event Price List to Sale Price per Sq Ft
06/01/2026 06/01/26 For Sale $21,950,000 -- $2,281 / Sq Ft
Source: MLS Property Information Network (MLS PIN)

Purchase History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Type Sale Price Title Company
Quit Claim Deed -- None Available
Quit Claim Deed $5,000,000 --
Deed -- --
Deed -- --
Deed -- --
Deed $2,112,000 --
Source: Public Records

Mortgage History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Status Loan Amount Loan Type
Previous Owner $2,000,000 No Value Available
Previous Owner $3,312,000 No Value Available
Source: Public Records

Source: MLS Property Information Network (MLS PIN)

MLS Number: 73527728

MLS Property Information Network (MLS PIN)

APN: CBOS-000000-000005-002933

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