Property Description

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.

Property Details tap to expand

Amenities

  • Amenities: Highway Access, House of Worship, Laundromat, Medical Facility, Park, Public School, Public Transportation, Shopping, Swimming Pool, T-Station, Walk/Jog Trails
  • Association Fee Includes: Exterior Maintenance, Master Insurance, Sewer, Snow Removal, Water

Kitchen, Dining, and Appliances

  • Kitchen Level: Second Floor
  • Dishwasher - ENERGY STAR, Microwave, Range, Refrigerator - ENERGY STAR, Vent Hood
  • Dining Room Level: Second Floor

Bathrooms

  • Full Baths: 4
  • Half Baths 1

Bedrooms

  • Bedrooms: 4
  • Master Bedroom Level: Third Floor
  • Bedroom 2 Level: Third Floor
  • Bedroom 3 Level: Fourth Floor

Other Rooms

  • Total Rooms: 8
  • Living Room Level: Second Floor

Utilities

  • Heating: Forced Air, Gas
  • Heat Zones: 3
  • Cooling: Central Air
  • Cooling Zones: 3
  • Electric Info: 200 Amps
  • Energy Features: Insulated Windows
  • Utility Connections: for Gas Dryer, for Gas Range
  • Water: City/Town Water
  • Sewer: City/Town Sewer

Unit Features

  • Square Feet: 3094
  • Unit Building: TH1
  • Unit Level: 1
  • Unit Placement: Front|Street
  • Interior Features: Finish - Sheetrock, Intercom, Internet Available - Fiber-Optic
  • Floors: 4
  • Pets Allowed: No
  • Fireplaces: 1
  • Laundry Features: In Unit
  • Accessability Features: Unknown

Condo Complex Information

  • Condo Type: Condo
  • Complex Complete: Yes
  • Number of Units: 4
  • Elevator: No
  • Condo Association: U
  • HOA Fee: $563
  • Fee Interval: Monthly
  • Management: Developer Control

Construction

  • Year Built: 2026
  • Style: Townhouse
  • Construction Type: Frame
  • Roof Material: Rubber
  • Flooring Type: Hardwood, Tile
  • Lead Paint: None
  • Warranty: Yes

Garage & Parking

  • Garage Parking: Under
  • Garage Spaces: 2
  • Parking Features: Off-Street, On Street Permit
  • Parking Spaces: 2

Exterior & Grounds

  • Exterior Features: City View(s), Deck - Composite, Deck - Roof, Gutters, Sprinkler System
  • Pool: No
  • Waterfront Features: Ocean
  • Beach Ownership: Public

Other Information

  • MLS ID# 73575859
  • Last Updated: 09/11/26
  • Documents on File: Floor Plans

Property History tap to expand

Date Event Price Price/Sq Ft Source
09/11/2026New$2,995,000$968MLSPIN

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Seller's Representative: The Boston ONE Team, Serhant
Sub Agent Compensation: n/a
Buyer Agent Compensation: n/a
Facilitator Compensation: n/a
Compensation Based On: n/a
Sub-Agency Relationship Offered: No

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

MLS PIN data last updated at 2026-09-11 09:08:00

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