55 Commonwealth Avenue, Boston MA 02116

Boston, MA 02116 • Back Bay
$38,000,000
Est. $203,923/month
Estimate assumptions

20% down, a 30-year loan at 6.5%, and $200/month estimated insurance.

Includes the supplied property-tax and HOA inputs; missing inputs contribute $0. HOA fees with an unspecified frequency are treated as monthly. PMI and closing costs are excluded.

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5
Beds
6
Baths
10,803
Sq Ft
$3,518
Price/Sq Ft
0.07
Acres
1875
Year Built
2
Garage Spaces
161
Days on Market
For Sale Listed May 12, 2026 • MLS# 73517239 Copied! • Updated Sep 18, 2026

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About this home

Presenting 55 Commonwealth Avenue, a rare opportunity to acquire one of Back Bay's finest turnkey single-family homes, an address that rarely, if ever, comes to market. Spanning nearly 11,000 SF on the sunny side, this exceptional home offers a combination of scale, natural light, and turnkey living. Designed for both entertaining and everyday living, the home features formal living and dining rooms, an expansive family room, chef’s kitchen, library, multiple offices,media room, catering kitchen, and a wellness level with fitness studio, and sauna. The residence offers 5+ bedrooms with multiple ensuite baths, three private terraces, nine fireplaces, temperature-controlled wine room, multiple laundry rooms, and a best-in-class elevator with access to every level. Complete with 2 private garage spaces and 1 gated outdoor space, this home stands as the only turnkey single-family residence available on the sunny side of the second block of Comm Ave, a genuine once-in-a-generation offering.

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Recently Sold Nearby

Price & Status History

Market Insights

Property Timeline

👤
Agent Changed
Sep 16, 2026
Antonio Khoury → Khoury Group
Agent: Khoury Group
🏠
Listed for Sale
May 13, 2026
$38,000,000
Original listing
Agent: Antonio Khoury Office: Serhant

Tax History

Year Taxes Assessment
2025 $138,896 $11,994,500

Financial Details

Annual Property Tax
$138,896
Tax Year 2025
Assessed Value
$11,994,500

Facts & Features

2 Car Garage
Central AC

Home Facts

Type Residential
Style Single Family Residence
Year Built 1875
Living Area 10,803 sq ft
Lot Size 0.07 acres
Bedrooms 5
Full Baths 5
Half Baths 2
Total Rooms 17

Interior

Heating Forced Air
Cooling Central Air
Flooring None
Appliances Range, Dishwasher, Disposal, Microwave, Refrigerator, Freezer, Washer, Dryer
Fireplace None
Fireplaces 9
Basement Finished
Laundry None
Features Wet Bar, Elevator

Exterior

Construction None
Architecture None
Roof Slate
Features Porch, Deck, Patio, Decorative Lighting, City View(s)
Pool None
Spa None
Fencing None
Patio/Porch Porch, Deck, Patio
Garage Spaces 2
Has Garage Yes
Features Under, Paved
Total Spaces 3
Electric None
Water Public
Sewer Public Sewer
Gas None
Other None
Annual Tax $138,896
Assessed Value $11,994,500
Fee Includes None
Amenities None
Optional Fee Includes None
Lead Paint Unknown
Seller Disclosures None
Possession None
Accepted Financing None
Structure Type []
Sq Ft Source Public Record
Documents None
County Suffolk
Total market time (incl. prior listings) 129 days

Property Overview

Property Type
Single Family Residence
Listing Type
For Sale
Year Built
1875
Bedrooms
5
Full Bathrooms
5
Half Bathrooms
2
Living Area
10,803 sq ft
Total Rooms
17
Levels
Multi/Split

Floor Layout

Interior Features

Flooring:
Appliances: Range, Dishwasher, Disposal, Microwave, Refrigerator, Freezer, Washer, Dryer
Interior Features: Wet Bar, Elevator
Windows:
Basement: Finished
Laundry:
Security: Security System

Construction & Materials

Year Built: 1875
Structure Type:
Exterior Materials:
Roof: Slate
Foundation: Other

Utilities & Systems

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

Exterior & Lot

Exterior Features: Porch, Deck, Patio, Decorative Lighting, City View(s)
Patio & Porch: Porch, Deck, Patio
Fencing:
Other Structures:
Lot Features:
Road Surface:

Parking & Garage

Garage Spaces: 2
Garage Type: Attached
Total Parking Spaces: 3
Parking Features: Under, Paved

Special Features

Fireplaces: 9
Fireplace Type:
View: Yes
View Type: City View(s), City
Community Amenities: Public Transportation, Shopping, Pool, Tennis Court(s), Park, Walk/Jog Trails, Medical Facility, Bike Path, Conservation Area, Highway Access, House of Worship, Marina, Public School, T-Station, University

Nearby Schools

School information not available for this location.

Monthly Payment Calculator

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Including down payment
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Down: $0
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Monthly Payment Breakdown

Principal & Interest $0
Property Tax $11,575
Homeowners Insurance $200
PMI (if <20% down) $0

Loan Summary

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

Rate Impact

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Current Rate
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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

55 Commonwealth Avenue, Boston MA 02116

Boston, MA 02116

Listing Information

Listing Agent Khoury Group
Listing Office Serhant
Office Phone 617-250-0559
Agent MLS ID TM364366
Office MLS ID AN9455
Listing Data Updated Sep 18, 2026 2:30 PM 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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Steve Novak Real Estate
Steve Novak Real Estate
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