9B Mt. Auburn Street, #B
Cambridge, MA 02138
$2,575,000 - Harvard Square
Open Houses
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 cafés, shops, and restaurants that bustling Harvard Square has to offer.
| Listing ID: | 73577404 |
|---|---|
| List Price: | $2,575,000 |
| Property Type: | Residential |
| Property Sub Type: | Condominium |
| Status: | Active |
| Bedrooms Total: | 4 |
| Bathrooms Full: | 4 |
| Bathrooms Half: | 1 |
| Living Area: | 2,746 |
| Association Fee: | $325 |
| Tax Annual Amount: | $10,000 |
| City: | Cambridge |
| MLS Area Major: | Harvard Square |
| County Or Parish: | Middlesex |
| Postal Code: | 02138 |
| Year Built: | 1910 |
| Number Of Units Total: | 3 |
| Appliances: | Range, Dishwasher, Microwave, Refrigerator, Freezer |
| Cooling: | Central Air |
| Flooring: | Tile, Engineered Hardwood, Flooring - Stone/Ceramic Tile |
| Heating: | Central, Electric |
| Parking Features: | Off Street, On Street, Assigned, Driveway |
| Status: | Active |
| State Or Province: | MA |
| Water Source: | Public |
| Association Fee Frequency: | Monthly |
| Roof: | Shingle, Metal |
| Window Features: | Insulated Windows |
| Laundry Features: | In Unit, Electric Dryer Hookup, Washer Hookup |
| Construction Materials: | Frame |
| Fireplace Features: | Living Room |
| Listing Contract Date: | 2026-09-15 |
| Cooling?: | Yes |
| Fireplace?: | Yes |
| Heating?: | Yes |
| Fireplaces Total: | 1 |
| Rooms Total: | 10 |
| Association Fee Includes: | Insurance, Snow Removal, Reserve Funds |
| Bathrooms Total Integer: | 5 |
| Basement: | false |
| Basement: | Y |
| Building Area Source: | Measured |
| Community Features: | Public Transportation, Shopping, Park, Walk/Jog Trails, Medical Facility, Laundromat, Bike Path, Conservation Area, Highway Access, House of Worship, Private School, Public School, T-Station, University, Other |
| Door Features: | Insulated Doors, Storm Door(s) |
| Exterior Features: | Deck - Wood, Fenced Yard |
| Fencing: | Security, Fenced |
| Interior Features: | Bathroom - Full, Closet, Cable Hookup, Recessed Lighting, Lighting - Overhead, Game Room, Wired for Sound |
| Living Area Units: | Square Feet |
| Lot Size Units: | Acres |
| Open Parking?: | Yes |
| Patio And Porch Features: | Deck - Wood |
| Sewer: | Public Sewer |
| Structure Type: | Detached, Townhouse |
| Utilities: | for Electric Range, for Electric Oven, for Electric Dryer, Washer Hookup |
| Year Built Effective: | 2026 |
| Zoning: | O-2 |
| Exclusions: | Staging Furniture Will Not Convey. |
| Green Energy Efficient: | Thermostat |
| Stories Total: | 4 |
| Year Built Source: | Public Records |
| Building Name: | Mt. Auburn Collection |
| A List Of The Documents Available For The Property. Knowing What Documents Are Available For The Property Is Valuable Information.: | Master Deed, Unit Deed, Master Plan, Floor Plans, Other (See Remarks) |
| Entry Level: | 1 |
| Entry Location: | Unit Placement(Back) |
| Farm Land Area Units: | Square Feet |
| Complex Complete: | Yes |
| Mh:Cooling Zones, Cc:Cooling Zones, Mf:Cooling Zones, Sf:Cooling Zones: | 4 |
| Disclosure: | No |
| Dpr Flag: | No |
| Heat Zones: | 4 |
| Lead Paint: | Unknown |
| Listing Alert: | No |
| List Price Per Sqft: | $937.73 |
| Management: | Owner Association |
| Page: | 91 |
| Price Per Sqft: | $937.73 |
| Square Feet Incl Base: | No |
| Unit Building: | B |
| Year Round: | Yes |
| Original List Price: | $2,575,000 |
| Parking Total: | 1 |
| Room Bathroom1 Area: | 70.888888888 |
| Room Bathroom1 Features: | Bathroom - Full, Bathroom - Double Vanity/Sink, Bathroom - With Tub, Skylight, Cathedral Ceiling(s), Beamed Ceilings, Flooring - Stone/Ceramic Tile, Countertops - Stone/Granite/Solid, Double Vanity, Recessed Lighting, Lighting - Overhead, Soaking Tub |
| Room Bathroom1 Length: | 9.666666666 |
| Room Bathroom1 Level: | Third |
| Room Bathroom1 Width: | 7.333333333 |
| Room Bathroom2 Area: | 50.625 |
| Room Bathroom2 Features: | Bathroom - Full, Bathroom - Tiled With Tub & Shower, Flooring - Stone/Ceramic Tile, Countertops - Stone/Granite/Solid, Recessed Lighting, Lighting - Overhead |
| Room Bathroom2 Length: | 7.5 |
| Room Bathroom2 Level: | Second |
| Room Bathroom2 Width: | 6.75 |
| Room Bathroom3 Area: | 45 |
| Room Bathroom3 Features: | Bathroom - Full, Bathroom - Tiled With Shower Stall, Flooring - Stone/Ceramic Tile, Countertops - Stone/Granite/Solid, Recessed Lighting, Lighting - Overhead |
| Room Bathroom3 Length: | 7.5 |
| Room Bathroom3 Level: | Second |
| Room Bathroom3 Width: | 6 |
| Room Bedroom2 Area: | 163.486111111 |
| Room Bedroom2 Features: | Bathroom - Full, Closet, Recessed Lighting, Lighting - Overhead, Flooring - Engineered Hardwood |
| Room Bedroom2 Length: | 12.416666666 |
| Room Bedroom2 Level: | Second |
| Room Bedroom2 Width: | 13.166666666 |
| Room Bedroom3 Area: | 259.513888888 |
| Room Bedroom3 Features: | Closet, Recessed Lighting, Lighting - Overhead, Flooring - Engineered Hardwood |
| Room Bedroom3 Length: | 15.416666666 |
| Room Bedroom3 Level: | Second |
| Room Bedroom3 Width: | 16.833333333 |
| Room Bedroom4 Area: | 136.354166666 |
| Room Bedroom4 Features: | Bathroom - Full, Closet, Flooring - Stone/Ceramic Tile, Recessed Lighting, Lighting - Overhead |
| Room Bedroom4 Length: | 13.75 |
| Room Bedroom4 Level: | Basement |
| Room Bedroom4 Width: | 9.916666666 |
| Room Dining Room Area: | $137.81 |
| Room Dining Room Features: | Open Floorplan, Recessed Lighting, Lighting - Overhead, Flooring - Engineered Hardwood |
| Room Dining Room Length: | 15.75 |
| Room Dining Room Level: | First |
| Room Dining Room Width: | 8.75 |
| Room Kitchen Area: | 153.333333333 |
| Room Kitchen Features: | Closet/Cabinets - Custom Built, Countertops - Stone/Granite/Solid, Kitchen Island, Exterior Access, Open Floorplan, Recessed Lighting, Lighting - Overhead, Flooring - Engineered Hardwood |
| Room Kitchen Length: | 19.166666666 |
| Room Kitchen Level: | First |
| Room Kitchen Width: | 8 |
| Room Living Room Area: | 186.770833333 |
| Room Living Room Features: | Bathroom - Half, Closet, Cable Hookup, Exterior Access, Open Floorplan, Recessed Lighting, Lighting - Overhead, Flooring - Engineered Hardwood |
| Room Living Room Length: | 13.75 |
| Room Living Room Level: | First |
| Room Living Room Width: | 13.583333333 |
| Room Master Bathroom Features: | Yes |
| Room Master Bedroom Area: | 340 |
| Room Master Bedroom Features: | Bathroom - Full, Skylight, Cathedral Ceiling(s), Beamed Ceilings, Walk-In Closet(s), Closet/Cabinets - Custom Built, Recessed Lighting, Lighting - Overhead, Pocket Door, Flooring - Engineered Hardwood |
| Room Master Bedroom Length: | 15 |
| Room Master Bedroom Level: | Third |
| Room Master Bedroom Width: | 22.666666666 |
| Security Features: | Intercom, Other |
| Tax Assessed Value: | $4,631,500 |
| Tax Year: | 2026 |
| Year Built Details: | Approximate, Renovated Since, Finished, Never Occupied |
| Waterview Flag: | No |
| Building Area Total: | 2,746 |
| Above Grade Finished Area: | 2,746 |
| Below Grade Finished Area: | 762 |
| Open Parking Spaces: | 1 |
| Living Area Source: | Measured |
| Outdoor Space Available: | Yes - Common |
| Beachfront Flag: | No |
Listing Courtesy of: eXp Realty LLC
Listing Agent: The Denman Group
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MLS Property Information Network, Inc. data last updated on October 08, 2026 04:59 PM - ET
Property Last Updated: October 08, 2026 04:59 PM - ET
