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771 Harrison Ave PH12Boston, MA 02118

For Sale

$1,399,000

Smart Buyer Rebate $6,995

Stunning 3+ bed / 3.5 bath Penthouse at The Cosmopolitan in the South End. Completed in 2021, boutique luxury building offers 63 loft-style residences w/ concierge, fitness center, residents lounge, bike storage & a tranquil courtyard. This enormous triplex has over 2,300 sq/ft of living space & 1 garage parking. Top floor features open living & dining area w/ vaulted ceilings & wall of sliders leading to private terrace w/ sweeping Boston views. Upgraded kitchen package w/ Thermador appliances, gas cooking & quartz counters. Oversized primary suite w/ walk-in closet & en-suite bath w/ double vanity, soaking tub & glass shower. Adjacent bedroom w/ en-suite bath. Plenty of additional room for home office, gym or media room w/ built-in wet bar. In-unit laundry & AC. Originally built in 1858 as the first site of Boston College, the building was converted to 63 luxury condos in 2021 while preserving historic details including stained glass windows, stone arches, iconic façade & courtyard w/ magnolia trees. Ideally located across from the BU Medical Campus & steps to parks, restaurants & shops.1 YEAR OF PAID CONDO FEES WITH SIGNED P&S BY 10/31!

Last updated September 14, 2026

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Source: MLSPin #73555758

Listing Facts

  • TypeCondo
  • NeighborhoodHarrison Lenox
  • Bedrooms3
  • Bathrooms4
  • Days on Prevu49
  • HOA/Maint. Fees$2,267/month
  • Taxes$15,894/year
  • Size2,361 sqft
  • Price per sqft$593

Amenities

  • Dishwasher
  • Private Outdoor Space
  • Washer/Dryer
  • Pets Allowed
  • Air Conditioning
  • Parking
  • Storage
  • Fitness Center

Location

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Listing History

09/03/2026
Price Decreased
$1,399,000
07/28/2026
Listed by
$1,499,000
  1. 09/03/2026$1,399,000
    Price Decreased
  2. 07/28/2026$1,499,000
    Listed by

Property Details for 771 Harrison Ave PH12

Association

Amenities

  • Association Amenities: Hot Water, Elevator(s), Fitness Center, Storage, Clubhouse
  • Community Features: Park
  • Pets Allowed: Yes

Fees

  • Association Fee: $2,267.00 Monthly
  • Association Fee Includes: Electricity, Gas, Water, Sewer, Insurance, Security, Maintenance Structure, Maintenance Grounds, Snow Removal

Exterior

Construction

  • Number Of Units Total: 63
  • Property Attached: Yes
  • Stories: 3
  • Stories Total: 3
  • Window Features: Insulated Windows
  • Year Built: 1858
  • Year Built Details: Approximate
  • Building Name: The Cosmopolitan
  • Common Walls: No One Above
  • Entry Level: 5

Features

  • Patio And Porch Features: Deck

Measurements

  • Building Area Total: 2,361
  • Building Area Units: Square Feet
  • Lot Size Units: Acres

Financial

Taxes

  • Parcel Number: 5201413
  • Tax Annual Amount: $15,894.00
  • Tax Assessed Value: $1,372,500.00
  • Tax Year: 2027

Interior

Features

  • Appliances: Range, Dishwasher, Disposal, Microwave, Refrigerator, Washer, Dryer

Measurements

  • Living Area: 2,361

Rooms

  • Bathrooms Full: 3
  • Bathrooms Half: 1
  • Bathrooms Total Integer: 4
  • Bedrooms Total: 3
  • Rooms Total: 8

Other

Environmental

  • Green Energy Efficient: Thermostat

Parking

Parking

  • Covered Spaces: 1
  • Garage Spaces: 1
  • Garage: Yes
  • Parking Features: Deeded
  • Parking Total: 1

Utilities

Equipment

  • Cooling: Central Air
  • Has Cooling: Yes
  • Heating: Forced Air
  • Has Heating: Yes
  • Laundry Features: In Unit
  • Other Equipment: Intercom
  • Sewer: Public Sewer
  • Water Source: Public

Frequently Asked Questions

How many bedrooms and bathrooms does this condo have?

There are 3 bedrooms and 4 bathrooms in this condo at 771 Harrison Ave PH12.

Does this condo have parking?

Yes, there is 1 parking space available for 771 Harrison Ave PH12.

Are pets allowed at 771 Harrison Ave?

Yes, 771 Harrison Ave allows pets.

What are the annual taxes for 771 Harrison Ave PH12?

Annual taxes for this condo are estimated at $15,894.

How does 771 Harrison Ave PH12 compare to other condos in Harrison Lenox?

This condo is listed 4% below the average price for condos in Harrison Lenox and has been on the market for 59 less days than the typical home in this area.

What building or home owners association is the condo part of?

This condo is in the The Cosmopolitan building.

What is the square footage on this condo?

According to the MLS, this listing is 2,361 sqft.

771 Harrison Ave PH12 is a 3-bedroom, 4-bath condo for sale in Boston MA 02118. Available on Prevu for 49 days at $1,399,000. This includes a recent price decrease of $100,000. This residence features 2,361 square feet of living space, located in Harrison Lenox. The median listing price for condos in this area is $1,024,500. The home offers private outdoor space, dishwasher, pets allowed, air conditioning, storage, fitness center, parking, and washer/dryer. Browse more condo listings in Boston.

The property listing data and information, or the Images, set forth herein were provided to MLS Property Information Network, Inc. from third party sources, including sellers, lessors, landlords and public records, and were compiled by MLS Property Information Network, Inc. The property listing data and information, and the Images, are for the personal, non commercial use of consumers having a good faith interest in purchasing, leasing or renting listed properties of the type displayed to them and may not be used for any purpose other than to identify prospective properties which such consumers may have a good faith interest in purchasing, leasing or renting. MLS Property Information Network, Inc. and its subscribers disclaim any and all representations and warranties as to the accuracy of the property listing data and information, or as to the accuracy of any of the Images, set forth herein.

Full MLS Disclaimers

Rebate estimate is indicative only and based on listing price and estimated buyer's agent commission paid by owner, if applicable. Final rebates are subject to Terms of Use and may vary due to final negotiated transaction terms.