421 E. 6th St TH1, Boston, MA 02127

• 4 beds |
• 5 baths |
• 3,094 sqft

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.

Listing Status:

Active

Date Added:

September 11, 2026

Data Last Updated:

September 13, 2026 at 7:07PM

Listing Office:

Serhant : 617-250-0559

Listing Agent:

The Boston ONE Team : 617-704-0921

MLS ID:

73575859

Interior

• General: Wet BarFinish - SheetrockHigh Speed Internet
• Appliances: MicrowaveENERGY STAR Qualified RefrigeratorENERGY STAR Qualified DishwasherRange HoodRange
• Laundry: In UnitGas Dryer Hookup
• Basement: N
• Flooring: TileHardwood
• A/C: Central Air
• Heating: Forced AirNatural Gas
• Fireplace: FireplaceFireplaces: 1

Exterior

• General: Deck - RoofDeck - CompositeCity View(s)Rain GuttersSprinkler System
• Parking: UnderOff StreetOn StreetParking spaces: 2

Construction

• Roofing: Rubber
• Windows: Insulated Windows
• General: Frame4

Location

• HOA Amenities: WaterSewerInsuranceMaintenance StructureSnow Removal563.0Monthly
• Originating MLS: MLS Property Information Network
• County: Suffolk

Lot

• Zoning: RES1409374
• View: CityView

Utilities

• Utilities: for Gas Rangefor Gas Dryer200+ Amp Service
• Water: Public
• Sewer: Public Sewer

Financial

• Source: MLS Property Information Network