LevelFourth Floor
421 E. 6th St, Boston MA 02127
Boston, MA 02127 • South Boston
$2,995,000
Est. $15,907/month
Estimate assumptions
20% down, a 30-year loan at 6.5%, and $200/month estimated insurance.
Includes the supplied property-tax and HOA inputs; missing inputs contribute $0. HOA fees with an unspecified frequency are treated as monthly. PMI and closing costs are excluded.
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Open House Schedule
13
Sep
Sunday, September 13
1:30 PM - 3:00 PM EDT
12
Sep
Saturday, September 12
12:00 PM - 1:30 PM EDT
About this home
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.
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Recently Sold Nearby
Property History
Property Timeline
Listed for Sale
Sep 11, 2026
$2,995,000
Original listing
Agent: The Boston ONE Team
Office: Serhant
| Date | Event | Price | Change | $/sqft | Details |
|---|---|---|---|---|---|
| 09/11/2026 | 🏠 Listed for Sale | $2,995,000 | - | - | Original listing |
Tax History
| Year | Taxes | Assessment |
|---|---|---|
| 2026 | $0 | $0 |
Financial Details
Annual Property Tax
$0
Tax Year 2026
HOA Fee
$563
Monthly
Assessed Value
$0
Facts & Features
2 Car Garage
Central AC
New Construction
Home Facts
Type
Residential
Style
Condominium
Year Built
2026
Living Area
3,094 sq ft
Stories
4
Bedrooms
4
Full Baths
4
Half Baths
1
Total Rooms
8
Interior
Heating
Forced Air, Natural Gas
Cooling
Central Air
Flooring
Tile, Hardwood
Appliances
Microwave, Energy Star Qualified Refrigerator, Energy Star Qualified Dishwasher, Range Hood, Range
Fireplace
None
Fireplaces
1
Basement
N
Laundry
In Unit, Gas Dryer Hookup
Features
Wet Bar, Finish - Sheetrock, High Speed Internet
Exterior
Construction
Frame
Architecture
None
Roof
Rubber
Features
Deck - Roof, Deck - Composite, City View(s), Rain Gutters, Sprinkler System
Pool
None
Spa
None
Fencing
None
Patio/Porch
Deck - Roof, Deck - Composite
Parking
Garage Spaces
2
Has Garage
Yes
Features
Under, Off Street, On Street
Total Spaces
2
Utilities
Electric
200+ Amp Service
Water
Public
Sewer
Public Sewer
Gas
None
Other
For Gas Range, For Gas Dryer
Financial
Annual Tax
0.00
Assessed Value
0.00
HOA & Community
HOA Fee
$563 Monthly
Fee Includes
Water, Sewer, Insurance, Maintenance Structure, Snow Removal
Amenities
None
Optional Fee Includes
None
MA Disclosures
Lead Paint
None
Seller Disclosures
Condo Dues Are Estimated. Accurate Dues Will Be Posted Soon. Developer To Provide An Allowance And Connection To Closet Company
Additional Details
Possession
None
Accepted Financing
None
Structure Type
["Townhouse"]
Unit/Building
TH1
Sq Ft Source
Owner
Documents
Floor Plans (1)
County
Suffolk
Property Overview
Property Type
Condominium
Listing Type
For Sale
Year Built
2026
Bedrooms
4
Full Bathrooms
4
Half Bathrooms
1
Living Area
3,094 sq ft
Total Rooms
8
Stories
4
Entry Level
1
Floor Layout
Interactive room guide
Floor Layout
Finished Area
3,094 sq ft above grade
LevelFourth Floor
LevelThird
LevelThird
LevelSecond
LevelSecond
LevelSecond
Display Options
Outdoor Areas
Patio & porchDeck - Roof, Deck - Composite
Room Markers
OOffice (1)
KKitchen (1)
BRBedroom (5)
BABathroom (4)
DDining (1)
LLiving (2)
Conceptual diagram based on MLS room data. It is not to scale and is not a substitute for architectural plans or on-site measurements.
Interior Features
Flooring:
Tile, Hardwood
Appliances:
Microwave, ENERGY STAR Qualified Refrigerator, ENERGY STAR Qualified Dishwasher, Range Hood, Range
Interior Features:
Wet Bar, Finish - Sheetrock, High Speed Internet
Windows:
Insulated Windows
Basement:
N
Laundry:
In Unit, Gas Dryer Hookup
Security:
Construction & Materials
Year Built:
2026
Structure Type:
Townhouse
Exterior Materials:
Frame
Roof:
Rubber
Foundation:
Stories:
4
Heating, Cooling & Utilities
Heating:
Forced Air, Natural Gas
Heating Zones:
3
Cooling:
Central Air
Cooling Zones:
3
Hot Water:
Water Source:
Public
Sewer:
Public Sewer
Energy Features:
Exterior & Lot
Exterior Features:
Deck - Roof, Deck - Composite, City View(s), Rain Gutters, Sprinkler System
Patio & Porch:
Deck - Roof, Deck - Composite
Fencing:
Other Structures:
Lot Features:
Road Surface:
Parking & Garage
Garage Spaces:
2
Garage Type:
Attached
Total Parking Spaces:
2
Parking Features:
Under, Off Street, On Street
Special Features
Fireplaces:
1
Fireplace Type:
View:
Yes
View Type:
City
Community Amenities:
Public Transportation, Shopping, Pool, Park, Walk/Jog Trails, Medical Facility, Laundromat, Highway Access, House of Worship, Public School, T-Station
Nearby Schools
School information not available for this location.
Monthly Payment Calculator
Monthly Payment
$0
Principal, interest, taxes & insurance
Loan Amount
$0
After down payment
Total Interest
$0
Over life of loan
Total Cost
$0
Including down payment
%
Down: $0
%
Monthly Payment Breakdown
Principal & Interest
$0
Property Tax
$0
Homeowners Insurance
$200
HOA Fee
$563/mo
PMI (if <20% down)
$0
Loan Summary
Total of 360 payments
$0
Total principal paid
$0
Total interest paid
$0
Rate Impact
-0.5% Rate
$0/mo
Save $0/mo
Current Rate
$0/mo
+0.5% Rate
$0/mo
Cost $0/mo
Payment Over Time
Year 1
95% Interest
Year 15
50/50
Year 30
95% Principal
* Estimates only. Actual payments may vary. Consult with a lender for accurate figures.
Location
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Neighborhood
South Boston
421 E. 6th St, Boston MA 02127
Boston, MA 02127
Listing Information
Listing Agent
The Boston ONE Team
Listing Office
Serhant
Office Phone
617-250-0559
Agent MLS ID
TM362171
Office MLS ID
AN9455
Listing Data Updated
Sep 11, 2026 9:08 AM EDT
Listing information is deemed reliable but not guaranteed. Data provided by MLS Property Information Network, Inc. All information should be independently verified.
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