129 Commonwealth Avenue, Boston MA 02116
Boston, MA 02116 • Back Bay
$21,950,000
Est. $122,958/month
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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
| Date | Event | Price | Change | $/sqft | Details |
|---|---|---|---|---|---|
| 06/01/2026 | 🏠 Listed for Sale | $21,950,000 | - | - | Original listing |
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
Parking
Features
Off Street, Deeded
Total Spaces
6
Utilities
Electric
None
Water
Public
Sewer
Public Sewer
Gas
None
Other
None
Financial
Annual Tax
$141,208
Assessed Value
$11,276,000
HOA & Community
Fee Includes
None
Amenities
None
Optional Fee Includes
None
MA Disclosures
Seller Disclosures
Some Photos Virtually Staged.
Additional Details
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
Floor Layout
Interactive room guide
Floor Layout
Finished Area
9,124 sq ft above grade
500 sq ft below grade
FeaturesYes
Display Options
Outdoor Areas
Patio & porchDeck - Roof
Room Markers
BABathroom (4)
BRBedroom (5)
DDining (1)
KKitchen (1)
LLiving (2)
OOffice (1)
Conceptual diagram based on MLS room data. It is not to scale and is not a substitute for architectural plans or on-site measurements.
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:
Nearby Schools
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
Elementary Schools
10 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
Advent School
0.5 mi
Grades K-06
D
Melvin H. King South End Academy
0.6 mi
|
#24 of 25
|
Score: 20.2
Improved 363 spots from last year
-38.1 below state avg
125 students
Diverse
Rising School
Diverse Student Body
Grades PK-12
F
Blackstone Elementary School
0.8 mi
|
#809 of 824
|
Score: 26.3
Improved 12 spots from last year
-31.9 below state avg
582 students
Moderate
Grades PK-06
C
Hurley K-8 School
1.0 mi
|
#258 of 352
|
Score: 35.8
Dropped 23 spots from last year
-22.4 below state avg
335 students
Moderate
Grades PK-08
Kids Are People School
1.0 mi
Grades PK-12
D
Perkins Elementary School
1.1 mi
|
#772 of 824
|
Score: 30.9
Improved 29 spots from last year
-27.3 below state avg
167 students
Diverse
Rising School
Diverse Student Body
Grades PK-06
St. John Elementary School
1.5 mi
Grades PK-08
Middle Schools
10 schools
Middle School Academy
1.9 mi
F
Higginson/Lewis K-8 School
2.2 mi
|
#349 of 352
|
Score: 23.6
Improved 3 spots from last year
-34.6 below state avg
213 students
Diverse
Grades 03-08
Nativity Prep School
2.5 mi
Grades 05-08
A
Uncommon Schools - Roxbury Preparatory Dorchester Campus Middle School
2.9 mi
|
#4 of 16
|
Score: 41.9
Improved 187 spots from last year
-16.3 below state avg
1,126 students
Diverse
Rising School
College Ready Curriculum
Grades 05-08
Dearborn Middle School
3.1 mi
Mother Caroline Academy
3.1 mi
Grades 05-08
Epiphany School
4.2 mi
Grades 05-08
C
Ohrenberger School
7.3 mi
|
#265 of 352
|
Score: 34.9
Improved 20 spots from last year
-23.3 below state avg
477 students
Diverse
Rising School
Diverse Student Body
Grades 03-08
Timilty Middle
1.7 mi
UP Academy
1.9 mi
High Schools
10 schools
Newman School
0.2 mi
Grades 07-12
C
Quincy Upper School
0.8 mi
|
#268 of 346
|
Score: 44.6
Improved 4 spots from last year
-13.6 below state avg
557 students
Very Diverse
12 sports
• 208 athletes
High Graduation Rate
Diverse Student Body
Grades 06-12
Cathedral High School
0.9 mi
9 sports
• 430 athletes
Grades 07-12
A+
Boston Latin School
1.6 mi
|
#19 of 346
|
Score: 73.3
Improved 61 spots from last year
+15.1 above state avg
2,424 students
Very Diverse
18 sports
• 2,006 athletes
Strong AP Program
High Graduation Rate
Rising School
Strong Athletics
Grades 07-12
A-
O'Bryant School of Math & Science
1.6 mi
|
#90 of 346
|
Score: 61.1
Improved 94 spots from last year
+2.9 above state avg
1,509 students
Very Diverse
High Graduation Rate
Rising School
College Ready Curriculum
Diverse Student Body
Grades 07-12
B
Dearborn STEM Academy
1.8 mi
|
#13 of 25
|
Score: 31.7
Improved 356 spots from last year
-26.6 below state avg
565 students
Diverse
10 sports
• 242 athletes
Early College Program
Rising School
Grades 07-12
D
Charlestown High School
2.1 mi
|
#322 of 346
|
Score: 31.0
Improved 49 spots from last year
-27.2 below state avg
754 students
Diverse
11 sports
• 488 athletes
Early College Program
Rising School
Grades 07-12
A+
Boston Latin Academy
2.5 mi
|
#2 of 25
|
Score: 63.9
Improved 214 spots from last year
+5.7 above state avg
1,693 students
Very Diverse
17 sports
• 1,298 athletes
High Graduation Rate
Rising School
Strong Athletics
Diverse Student Body
Grades 07-12
C-
East Boston High School
3.0 mi
|
#305 of 346
|
Score: 37.3
Improved 31 spots from last year
-20.9 below state avg
1,252 students
Less Diverse
14 sports
• 584 athletes
Early College Program
Rising School
Grades 07-12
C
Ruth Batson Academy
3.0 mi
|
#19 of 25
|
Score: 27.6
Improved 346 spots from last year
-30.6 below state avg
604 students
Diverse
8 sports
• 128 athletes
Early College Program
Rising School
Grades 07-12
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Location
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Neighborhood
Back Bay
129 Commonwealth Avenue, Boston MA 02116
Boston, MA 02116
Listing Information
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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