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129 Commonwealth Avenue, Boston MA 02116

Boston, MA 02116 • Back Bay
$21,950,000
Est. $122,958/month
6
Beds
6.5
Baths
9,624
Sq Ft
$2,281
Price/Sq Ft
0.07
Acres
1899
Year Built
6
Parking
40
Days on Market
Active Listed Jun 1, 2026 • MLS# 73527728 Copied! • Updated Jun 5, 2026

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.

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Recently Sold Nearby

Property History

Property Timeline

🏠
Listed for Sale
Jun 1, 2026
$21,950,000
Original listing
Agent: Jeannemarie Conley Office: Compass

Tax History

Year Taxes Assessment
2026 $141,208 $11,276,000

Financial Details

Annual Property Tax
$141,208
Tax Year 2026
Assessed Value
$11,276,000

Facts & Features

Central AC

Home Facts

Type Residential
Style Single Family Residence
Year Built 1899
Living Area 9,624 sq ft
Lot Size 0.07 acres
Bedrooms 6
Full Baths 5
Half Baths 3
Total Rooms 11

Interior

Heating Central
Cooling Central Air
Flooring Wood, Marble
Appliances None
Fireplace None
Fireplaces 8
Basement None
Laundry None
Features None

Exterior

Construction Brick
Architecture None
Roof Rubber
Features Deck - Roof, Balcony
Pool None
Spa None
Fencing None
Patio/Porch Deck - Roof
Features Off Street, Deeded
Total Spaces 6
Electric None
Water Public
Sewer Public Sewer
Gas None
Other None
Annual Tax $141,208
Assessed Value $11,276,000
Fee Includes None
Amenities None
Optional Fee Includes None
Seller Disclosures Some Photos Virtually Staged.
Possession None
Accepted Financing None
Structure Type []
Sq Ft Source Public Record
Sq Ft Disclosures Square footage is gross
Documents None
County Suffolk
Total market time (incl. prior listings) 4 days

Property Overview

Property Type
Single Family Residence
Listing Type
For Sale
Year Built
1899
Bedrooms
6
Full Bathrooms
5
Half Bathrooms
3
Living Area
9,624 sq ft
Total Rooms
11
Levels
Multi/Split

Room Details

Other Floor

Bathroom1
Bedroom5
Bedroom4
Bedroom3
Dining Room
Kitchen
Bathroom2
Bedroom2
Living Room
Bathroom3
Master Bedroom
Office
Family Room
Master Bathroom
Yes

Interior Features

Flooring: Wood, Marble
Appliances:
Interior Features:
Windows:
Basement:
Laundry:
Security:

Construction & Materials

Year Built: 1899
Structure Type:
Exterior Materials: Brick
Roof: Rubber
Foundation: Other

Heating, Cooling & Utilities

Heating: Central
Cooling: Central Air
Hot Water:
Water Source: Public
Sewer: Public Sewer
Energy Features:

Exterior & Lot

Exterior Features: Deck - Roof, Balcony
Patio & Porch: Deck - Roof
Fencing:
Other Structures:
Lot Features: Other
Road Surface:

Parking & Garage

Total Parking Spaces: 6
Parking Features: Off Street, Deeded

Special Features

Fireplaces: 8
Fireplace Type:
Community Amenities:
School District
Boston School District local
C-
🎓 Where Graduates Go Class of 2021
52% attend college
38% 4-Year 14% 2-Year 7% Out of State 7% Working
School Safety 2024-25
3.7% Above Average
3.2% Suspensions 0.3% In-School 0.5% Emergency
1.8% below state avg
E

Elementary Schools

3 schools
The Learning Project
< 0.1 mi
Grades K-06
Kingsley Montessori School
0.3 mi
Grades PK-06
Park Street School
0.4 mi
Grades K-07
M

Middle Schools

1 school
B+
Darby Vassall Upper School
1.3 mi | #118 of 352 | Score: 47.5
Improved 26 spots from last year
-10.7 below state avg
298 students Very Diverse
Rising School Diverse Student Body
Grades 06-08
H

High Schools

3 schools
Commonwealth School
< 0.1 mi
Grades 09-12
C-
Snowden International High School
0.1 mi | #301 of 346 | Score: 37.9
Improved 55 spots from last year
-20.3 below state avg
421 students Diverse
7 sports • 78 athletes
Rising School
Grades 09-12
Snowden International
0.1 mi
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Including down payment
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Monthly Payment Breakdown

Principal & Interest $0
Property Tax $11,767
Homeowners Insurance $200
PMI (if <20% down) $0

Loan Summary

Total of 360 payments $0
Total principal paid $0
Total interest paid $0

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Payment Over Time

Interest
Principal
Year 1
95% Interest
Year 15
50/50
Year 30
95% Principal
* Estimates only. Actual payments may vary. Consult with a lender for accurate figures.

Location

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Neighborhood

Back Bay

129 Commonwealth Avenue, Boston MA 02116

Boston, MA 02116

Listing Information

Listing Agent Jeannemarie Conley
Listing Office Compass
Office Phone 617-206-3333
Agent MLS ID BB804137
Office MLS ID AN2383
Listing Data Updated Jun 5, 2026 3:05 AM EDT
Listing information is deemed reliable but not guaranteed. Data provided by MLS Property Information Network, Inc. All information should be independently verified.

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Steven Novak
Steven Novak
BMN Boston Real Estate
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BMN Boston Real Estate

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