421 E. 6th Street, Unit TH1, South BostonBoston, MA 02127MLS Number 73575859

  • Price: $2,995,000
  • 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
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Open House
421 E. 6th Street Boston MA 02127421 E. 6th Street Boston MA 02127421 E. 6th Street Boston MA 02127421 E. 6th Street Boston MA 02127421 E. 6th Street Boston MA 02127421 E. 6th Street Boston MA 02127421 E. 6th Street Boston MA 02127421 E. 6th Street Boston MA 02127421 E. 6th Street Boston MA 02127421 E. 6th Street Boston MA 02127421 E. 6th Street Boston MA 02127421 E. 6th Street Boston MA 02127421 E. 6th Street Boston MA 02127421 E. 6th Street Boston MA 02127421 E. 6th Street Boston MA 02127421 E. 6th Street Boston MA 02127421 E. 6th Street Boston MA 02127421 E. 6th Street Boston MA 02127421 E. 6th Street Boston MA 02127421 E. 6th Street Boston MA 02127421 E. 6th Street Boston MA 02127421 E. 6th Street Boston MA 02127421 E. 6th Street Boston MA 02127421 E. 6th Street Boston MA 02127421 E. 6th Street Boston MA 02127421 E. 6th Street Boston MA 02127421 E. 6th Street Boston MA 02127421 E. 6th Street Boston MA 02127421 E. 6th Street Boston MA 02127421 E. 6th Street Boston MA 02127421 E. 6th Street Boston MA 02127421 E. 6th Street Boston MA 02127421 E. 6th Street Boston MA 02127421 E. 6th Street Boston MA 02127421 E. 6th Street Boston MA 02127421 E. 6th Street Boston MA 02127421 E. 6th Street Boston MA 02127421 E. 6th Street Boston MA 02127421 E. 6th Street Boston MA 02127421 E. 6th Street Boston MA 02127421 E. 6th Street Boston MA 02127421 E. 6th Street Boston MA 02127
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  • 4Bedrooms
  • 5Bathrooms
  • 2026Year Built
  • 3,094Square Feet

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Space. Privacy. Parking. Outdoor living. In South Boston, finding one is expected. Finding all four is exceptional.Introducing Townhouse 1 at 421 East 6th Street-a newly constructed residence delivering the scale and independence of a single-family home with the sophistication of city living.Spanning just under 3,100 living square feet, the home features four en-suite bedrooms, four-and-a-half bathrooms, a dedicated office, multiple private outdoor spaces, and a direct-access car garage.Oversized black-framed windows fill the main living level with natural light, while wide-plank floors and clean architectural lines create a refined, contemporary atmosphere. The open kitchen, dining, and living areas flow effortlessly together, anchored by a sleek linear fireplace and custom millwork.At the center of the home, a dramatic waterfall island with seating for five sets the stage for everyday living and entertaining. The chef's kitchen pairs two-tone cabinetry and polished-nickel fixtures with a professional Thermador appliance suite, including a 48-inch six-burner gas range with griddle, panel-ready French-door refrigerator, drawer microwave, and dishwasher. A separate wet bar with a beverage center and second dishwasher makes hosting seamless.Across two private levels, four generously proportioned bedrooms each feature an en-suite bathroom, providing exceptional comfort for family and guests. The primary suite measures approximately 16 feet 6 inches by 20 feet and offers oversized windows, custom wall detailing, a walk-in closet, and a private balcony.Its spa-inspired bathroom is appointed with a double vanity, polished-nickel fixtures, and an oversized glass-enclosed shower with rainfall and handheld showerheads. Curated tile, custom vanities, and sophisticated finishes distinguish the additional en-suite baths.Outdoor living unfolds across two private balconies and an exclusive roof deck-ideal for summer/fall dinners, sunset cocktails, or a quiet escape above the neighborhood. Below, the two tandeem car garage provides a level of convenience seldom available in South Boston.Moments from East Broadway, the waterfront, Seaport, and Downtown Boston, Townhouse 1 offers the freedom to have everything you want from the city-without compromise.

Open Houses

September 12th
Starts: 12:00pm
Ends: 1:30pm
September 13th
Starts: 1:30pm
Ends: 3:00pm
Listed by The Boston ONE Team of Serhant

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More Info

Basic Information

  • Bedrooms4
  • Mls StatusNew
  • Bathroom5
  • Parcel Number 1409374
  • Unit NumberTH1

Basic Information

  • List Price$2,995,000
  • MLS Number73575859
  • Modification Date09/11/2026
  • Property SubTypeCondominium

Building

  • Attached Garage YN Yes
  • BasementN
  • Building Area Units Square Feet
  • Construction Materials Frame
  • Entry Level 1
  • FireplaceYes
  • Fireplaces Total 1
  • Garage Spaces2
  • Patio And Porch Features Deck - Roof, Deck - Composite
  • Rooms8
  • Stories4
  • Utilities For Gas Range, For Gas Dryer
  • Window Features Insulated Windows
  • Year Built2026
  • Year Built Details Actual
  • Year Built Source Builder

Other

  • Association Fee $563
  • Association Fee Frequency Monthly
  • Association Fee Includes Water, Sewer, Insurance, Maintenance Structure, Snow Removal
  • Date Listed09/11/2026
  • Farm Land Area Units Square Feet
  • Home Warranty YN Yes
  • Other Equipment Intercom

Tax Information

  • Tax Year 2026

Rooms

  • Bathrooms Total Decimal 4.5
  • Bedroom 2 Third
  • Bedroom 3 Fourth Floor
  • Bedroom 4 Fourth Floor
  • Dining Room Second
  • Full Bath4
  • Half Baths1
  • Kitchen Second
  • Living Room Second
  • Master Bedroom Third

Property

  • Entry Location Unit Placement(Street, Front)

Interior

  • Flooring Tile, Hardwood
  • Interior Features Wet Bar, Finish - Sheetrock, High Speed Internet

Utilities

  • Cooling Central Air
  • Cooling YN Yes
  • Electric 200+ Amp Service
  • Heat SystemYes
  • Heating Forced Air, Natural Gas
  • Sewer Public Sewer
  • Water Source Public

Amenities

  • Amenities
    • Highway Access
    • House of Worship
    • Laundromat
    • Medical Facility
    • Park
    • Pool
    • Public School
    • Public Transportation
    • Shopping
    • T-Station
    • Walk/Jog Trails
  • Appliances IncludedMicrowave, ENERGY STAR Qualified Refrigerator, ENERGY STAR Qualified Dishwasher, Range Hood, Range
  • Other AmenitiesFireplace

Parking

  • Parking Spaces2
  • Covered Spaces 2
  • Garage YN Yes
  • Open Parking YN Yes
  • Parking Features Under, Off Street, On Street

Location

  • NeighborhoodSouth Boston
  • SubdivisionSouth Boston
  • Address421 E. 6th Street
  • Building Number421
  • CountySuffolk
  • StateMA
  • StreetE. 6th Street
  • TownBoston
  • Zip02127

Exterior

  • Exterior Features Deck - Roof, Deck - Composite, City View(s), Rain Gutters, Sprinkler System
  • RoofRubber

Property Information

  • Square Feet3,094
  • Building Area Source Owner
  • Living Area 3,094
  • Lot Size Units Acres
  • Structure Type Townhouse
  • View YN Yes

Water Body

  • Waterfront Features Ocean, Beach Ownership(Public)

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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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