Mt. Auburn Collection

Listing Tools

Behind a storied exterior, this 2746 SF award-winning attached townhouse, originally designed by world renowned Graham Gund, blends modern refinement with understated elegance in the heart of Harvard Square. This sun-filled 4+ bedroom, 4.5-bath residence unfolds across an open-concept main level with oversized windows overlooking a private deck and courtyard. Bespoke millwork and an ambient fireplace anchor the entertaining space, alongside a chef's kitchen centered on a Taj Mahal quartz island with panel-ready Thermador appliances. The top floor houses the primary suite alongside an office/den, with vaulted ceilings, custom walk-in closet, and a spa-inspired ensuite with a spacious shower. The second floor offers a second ensuite along with a third bedroom, laundry, and a full bathroom. A flexible finished lower-level offers a fourth bedroom, guest suite, or office with a full bathroom, radiant tile floors and a media room. Private entrance, hardwired Sonos, CCTV security system, and assigned parking for one car. Moments to the Charles River, two MBTA redline stops, Whole Foods, and all the cafs, shops, and restaurants that bustling Harvard Square has to offer.

More Info

Basic Information

  • Bedrooms4
  • Mls StatusNew
  • Bathroom5
  • Unit NumberB

Tax Information

  • Tax Assessed Value $4,631,500
  • Tax Year 2026
  • Taxes$9,999

Parking

  • Parking Spaces1
  • Open Parking YN Yes
  • Parking Features Off Street, On Street, Assigned, Driveway

Rooms

  • Bathroom 1 Third,9.666666666 x 7.333333333
  • Bathroom 2 Second,7.5 x 6.75
  • Bathroom 3 Second,7.5 x 6
  • Bathrooms Total Decimal 4.5
  • Bedroom 2 Second,12.416666666 x 13.166666666
  • Bedroom 3 Second,15.416666666 x 16.833333333
  • Bedroom 4 Basement,13.75 x 9.916666666
  • Dining Room First,15.75 x 8.75
  • Full Bath4
  • Half Baths1
  • Kitchen First,19.166666666 x 8
  • Living Room First,13.75 x 13.583333333
  • Master Bedroom Third,15

Basic Information

  • List Price$2,575,000
  • MLS Number73577404
  • Modification Date09/15/2026
  • Property SubTypeCondominium
  • Virtual TourView Tour

Location

  • NeighborhoodHarvard Square
  • SubdivisionHarvard Square
  • Address9B Mt. Auburn Street
  • Building Number9b
  • CountyMiddlesex
  • StateMA
  • StreetMt. Auburn Street
  • TownCambridge
  • Zip02138

Building

  • BasementY
  • Building Area Units Square Feet
  • Construction Materials Frame
  • Door Features Insulated Doors, Storm Door(s)
  • Entry Level 1
  • FireplaceYes
  • Fireplace Features Living Room
  • Fireplaces Total 1
  • Patio And Porch Features Deck - Wood
  • Property NameMt. Auburn Collection
  • Rooms10
  • Stories4
  • Utilities For Electric Range, For Electric Oven, For Electric Dryer, Washer Hookup
  • Window Features Insulated Windows
  • Year Built1910
  • Year Built Details Approximate, Renovated Since, Finished, Never Occupied
  • Year Built Effective 2026
  • Year Built Source Public Records

Property

  • Entry Location Unit Placement(Back)

Interior

  • Flooring Tile, Engineered Hardwood, Flooring - Stone/Ceramic Tile
  • Interior Features
    • Bathroom - Full
    • Cable Hookup
    • Closet
    • Game Room
    • Lighting - Overhead
    • Recessed Lighting
    • Wired for Sound

Exterior

  • Exterior Features Deck - Wood, Fenced Yard
  • Fencing Security, Fenced
  • RoofShingle, Metal

Utilities

  • Cooling Central Air
  • Cooling YN Yes
  • Heat SystemYes
  • Heating Central, Electric
  • Sewer Public Sewer
  • Water Source Public

Property Information

  • Square Feet2,746
  • Building Area Source Measured
  • Living Area 2,746
  • Lot Size Units Acres
  • Structure Type Detached, Townhouse

Amenities

  • Amenities
    • Bike Path
    • Conservation Area
    • Highway Access
    • House of Worship
    • Laundromat
    • Medical Facility
    • Other
    • Park
    • Private School
    • Public School
    • Public Transportation
    • Shopping
    • T-Station
    • University
    • Walk/Jog Trails
  • Appliances IncludedRange, Dishwasher, Microwave, Refrigerator, Freezer
  • Green Energy Efficient Thermostat
  • Other AmenitiesFireplace
  • Security Features Intercom, Other

Other

  • Association Fee $325
  • Association Fee Frequency Monthly
  • Association Fee Includes Insurance, Snow Removal, Reserve Funds
  • Date Listed09/15/2026
  • Farm Land Area Units Square Feet
  • View Count1

Map Location

Driving Directions

Listed by The Denman Group of eXp Realty LLC

Hi there! How can we help you?

Contact us using the form below or give us a call.

Send Us A Message:

I agree to receive marketing and customer service calls and text messages from Castles Unlimited. To opt out, you can reply 'stop' at any time or click the unsubscribe link in the emails. Consent is not a condition of purchase. Msg/data rates may apply. Msg frequency varies. Privacy Policy.

Do not fill in this field:

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Hi there! How can we help you?

Contact us using the form below or give us a call.

Send Us A Message:

Do not fill in this field:

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Hi there! How can we help you?

Contact us using the form below or give us a call.

Send Us A Message:

Do not fill in this field:

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Do not fill in this field:

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Do not fill in this field:

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Do not fill in this field:

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

$

Do not fill in this field:

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.