Property Description

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.

Property Details tap to expand

Amenities

  • Bike Path
  • Conservation Area
  • Highway Access
  • House of Worship
  • Marina
  • Medical Facility
  • Park
  • Public School
  • Public Transportation
  • Shopping
  • Swimming Pool
  • T-Station
  • Tennis Court
  • University
  • Walk/Jog Trails

Kitchen, Dining, and Appliances

  • Dishwasher, Disposal, Dryer, Freezer, Microwave, Range, Refrigerator, Washer

Bathrooms

  • Full Baths: 5
  • Half Baths 2

Bedrooms

  • Bedrooms: 5

Other Rooms

  • Total Rooms: 17
  • Laundry Room Features: Finished

Utilities

  • Heating: Forced Air
  • Cooling: Central Air
  • Water: City/Town Water
  • Sewer: City/Town Sewer

Garage & Parking

  • Garage Parking: Under
  • Garage Spaces: 2
  • Parking Features: Paved Driveway
  • Parking Spaces: 3

Interior Features

  • Square Feet: 10803
  • Fireplaces: 9
  • Interior Features: Elevator, Security System
  • Accessability Features: Unknown

Construction

  • Year Built: 1875
  • Type: Attached
  • Foundation Info: Other (See Remarks)
  • Roof Material: Slate
  • Lead Paint: Unknown
  • Warranty: No

Exterior & Lot

  • Lot Description: City View(s)
  • Exterior Features: City View(s), Deck, Decorative Lighting, Patio, Porch

Other Information

  • MLS ID# 73517239
  • Last Updated: 05/13/26
  • HOA: No
  • Reqd Own Association: Unknown

Property History tap to expand

Date Event Price Price/Sq Ft Source
05/12/2026New$38,000,000$3,518MLSPIN

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Seller's Representative: Antonio Khoury, Serhant
Sub Agent Compensation: n/a
Buyer Agent Compensation: n/a
Facilitator Compensation: n/a
Compensation Based On: n/a
Sub-Agency Relationship Offered: No

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MLS PIN data last updated at 2026-05-13 13:02:00