421 East 6th Street, Unit 4, South BostonBoston, MA 02127MLS Number 73575955

  • Price: $2,600,000
  • Est. Mortgage of $/month
  • 1 Day on Market
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$
%
$/month over payments
Federal 30-year interest rate: 6.76% last updated on Sep 10, 2026
* All Figures are estimates. Check with your bank or proposed mortgage company for actual interest rates.
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Open House
421 East 6th Street Boston MA 02127421 East 6th Street Boston MA 02127421 East 6th Street Boston MA 02127421 East 6th Street Boston MA 02127421 East 6th Street Boston MA 02127421 East 6th Street Boston MA 02127421 East 6th Street Boston MA 02127421 East 6th Street Boston MA 02127421 East 6th Street Boston MA 02127421 East 6th Street Boston MA 02127421 East 6th Street Boston MA 02127421 East 6th Street Boston MA 02127421 East 6th Street Boston MA 02127421 East 6th Street Boston MA 02127421 East 6th Street Boston MA 02127421 East 6th Street Boston MA 02127421 East 6th Street Boston MA 02127421 East 6th Street Boston MA 02127421 East 6th Street Boston MA 02127421 East 6th Street Boston MA 02127421 East 6th Street Boston MA 02127421 East 6th Street Boston MA 02127421 East 6th Street Boston MA 02127421 East 6th Street Boston MA 02127421 East 6th Street Boston MA 02127421 East 6th Street Boston MA 02127421 East 6th Street Boston MA 02127421 East 6th Street Boston MA 02127421 East 6th Street Boston MA 02127421 East 6th Street Boston MA 02127421 East 6th Street Boston MA 02127421 East 6th Street Boston MA 02127421 East 6th Street Boston MA 02127421 East 6th Street Boston MA 02127421 East 6th Street Boston MA 02127421 East 6th Street Boston MA 02127421 East 6th Street Boston MA 02127421 East 6th Street Boston MA 02127421 East 6th Street Boston MA 02127421 East 6th Street Boston MA 02127421 East 6th Street Boston MA 02127421 East 6th Street Boston MA 02127
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  • 4Bedrooms
  • 6Bathrooms
  • 2026Year Built
  • 2,366Square Feet

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Set near the top of Telegraph Hill, Unit 4 at 421 East 6th Street is the rear, ocean-facing residence in a boutique new-construction South Boston development and enjoys the best views in the project. Its rear position and ocean-facing windows on two sides create especially broad water views throughout the home. Ocean views extend across all three finished living levels, two bedrooms open directly to private covered decks overlooking the water, and the private roof deck captures a sweeping panorama of the ocean, Seaport District and Boston skyline.Approximately 2,451 SF of interior living area spans three finished levels with 4 bedrooms, 4 full baths and 1 half bath. The spacious first-floor living level measures more than 22 feet in interior width and brings together the kitchen, dining and living areas in a layout that feels comfortable for everyday routines while offering the openness and scale to entertain with ease. The kitchen is equipped with Thermador appliances, and the living room features a gas fireplace. A dedicated mudroom off the entry provides useful everyday storage, complemented by an adjacent bathroom.An attached 2-car garage and heated driveway add another level of convenience. Outside, two private covered bedroom decks and the roof deck provide multiple places to enjoy the home's elevated setting and ocean views.The location puts the beach, Dorchester Heights and neighborhood parks close at hand, along with Broadway restaurants, bars, shops, banking and daily conveniences. With expansive ocean views across all three living levels and a private roof deck overlooking the water, Seaport District and Boston skyline, Unit 4 offers a distinctive combination of generous living space, everyday convenience and exceptional views in South Boston.
Listed by Kirsten McEleney of KM Real Estate Group

Open Houses

September 12th
Starts: 12:00pm
Ends: 1:30pm
September 13th
Starts: 12:00pm
Ends: 1:30pm

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More Info

Basic Information

  • Bedrooms4
  • Mls StatusNew
  • Bathroom6
  • Parcel Number 0701690000,1409374
  • Unit Number4

Basic Information

  • List Price$2,600,000
  • MLS Number73575955
  • Modification Date09/11/2026
  • Property SubTypeCondominium

Building

  • Attached Garage YN Yes
  • BasementN
  • Building Area Units Square Feet
  • Common Walls Corner
  • Construction Materials Frame
  • Door Features Insulated Doors
  • Entry Level 1
  • FireplaceYes
  • Fireplaces Total 1
  • Garage Spaces2
  • Patio And Porch Features Deck, Deck - Roof, Covered
  • Rooms7
  • Stories4
  • Utilities
    • For Electric Dryer
    • For Gas Oven
    • For Gas Range
    • Icemaker Connection
    • Outdoor Gas Grill Hookup
    • Washer Hookup
  • Window Features Insulated Windows
  • Year Built2026
  • Year Built Details Finished, Never Occupied
  • Year Built Source Owner

Other

  • Association Fee $440
  • Association Fee Frequency Monthly
  • Association Fee Includes Water, Sewer, Insurance, Maintenance Grounds, Snow Removal
  • Date Listed09/11/2026
  • Farm Land Area Units Square Feet
  • Home Warranty YN Yes
  • Other Equipment Intercom

Tax Information

  • Tax Assessed Value $1
  • Tax Year 2026
  • Taxes$1

Rooms

  • Bathrooms Total Decimal 5
  • Bedroom 2 Third
  • Bedroom 3 Third
  • Bedroom 4 Fourth Floor
  • Dining Room Second
  • Family Room Second
  • Full Bath4
  • Half Baths2
  • Kitchen Second
  • Living Room Second
  • Master Bedroom Fourth Floor

Interior

  • Flooring Hardwood, Stone / Slate
  • Interior Features WaterSense Fixture(s), Wet Bar

Utilities

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

Amenities

  • AmenitiesPublic Transportation, Park, Walk/Jog Trails
  • Appliances IncludedRange, Oven, Dishwasher, Disposal, Microwave, Refrigerator, Freezer, Washer, Dryer, Range Hood, Plumbed For Ice Maker
  • Green Energy Efficient Thermostat
  • Other AmenitiesFireplace
  • PetsYes
  • Security Features Intercom

Parking

  • Parking Spaces2
  • Covered Spaces 2
  • Garage YN Yes
  • Open Parking YN Yes
  • Parking Features
    • Deeded
    • Garage Door Opener
    • Heated Garage
    • Insulated
    • Off Street
    • Paved
    • Storage
    • Under

Location

  • NeighborhoodSouth Boston
  • SubdivisionSouth Boston
  • Address421 East 6th Street
  • Building Number421
  • CountySuffolk
  • StateMA
  • StreetEast 6th Street
  • TownBoston
  • Zip02127

Exterior

  • Exterior Features
    • City View(s)
    • Covered Patio/Deck
    • Deck
    • Deck - Roof
    • Outdoor Gas Grill Hookup
    • Professional Landscaping
  • RoofRubber

Property Information

  • Square Feet2,366
  • Building Area Source Other
  • Living Area 2,366
  • Lot Size Units Acres
  • Structure Type Townhouse
  • View YN Yes

Water Body

  • Miles to Beach0.3
  • Waterfront Features Harbor, Ocean, Walk to,1/10 to 3/10 To Beach, Beach Ownership(Public)
Rosen Realty, Inc.
Rosen Realty, Inc.
80 Temple Street
P.O. Box 128
Whitman, MA 02382

The property listing data and information, or the Images, set forth herein were provided to MLS Property Information Network, Inc. (MLSPIN) from third party sources, including sellers, lessors and public records, and were compiled by MLSPIN. 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 or leasing 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 or leasing. MLSPIN 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.

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