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99 Sumner St Unit 623 - photo 1
99 Sumner St Unit 623 - photo 2
99 Sumner St Unit 623 - photo 3
99 Sumner St Unit 623 - photo 4
99 Sumner St Unit 623 - photo 5
99 Sumner St Unit 623 - photo 6

Off Market

99 Sumner St Unit 623, Boston, MA

Boston · MA 02128

$549,999
Price
1
Beds
1
Baths
452
Sq. ft.

Overview

Property type: Condominium
HOA: HOA: $650 / mo
HOA Fees Include
Gas, Water, Sewer, Master Insurance, Security, Elevator, Exterior Maintenance, Landscaping, Exercise Room, Clubroom, Refuse Removal, Air Conditioning
Special Assessment
No
Floor: 6th · Penthouse
Accessibility: Elevator
Pets: Pet Friendly
Parking: 1 Garage Space
Heating & cooling: Heat, AC
Laundry: In Unit Laundry
Outdoor space: Common Outdoor
Views: Harbor Views

About this home

*GARAGE PARKING INCLUDED* Welcome home to this beautifully appointed, professionally designed penthouse residence—perfectly suited for a busy city lifestyle. Enjoy the ease of newer construction living paired with full-service concierge and premier amenities.This is the only alcove studio in the building featuring deeded garage PARKING and upgraded glass bedroom doors. Thoughtful customizations—including designer shades, upgraded lighting, and bespoke paint finishes—create a refined and sophisticated living space.Residents enjoy exceptional amenities, including a golf simulator and theater room, an expansive entertainment lounge with catering kitchen, and seamless access to an outdoor patio—ideal for hosting and relaxing alike.From your home, take in breathtaking sunsets and sweeping views of the Boston skyline and Boston Harbor. All of this is just minutes from the MBTA, acclaimed local dining, the water taxi, and nearby parks—placing the very best of the city right at your doorstep.

Neighborhood & Transit

East Boston

99 Sumner St, Boston · MA 02128

View location on map

Nearby transit

Within 0.5 mile, measured straight-line to the nearest station entrance.

  • Maverick Blue 0.14 mi

Price Insight

Days on Market:
251 days
Listing Price:
$549,999
Price per Sq.Ft:
$1,217
Tax Assessment:
$520,200 in 2026
Taxes:
$538 / Monthly
HOA Fee:
$650 / Monthly

Home Facts

Where is the Unit in the building?

Unit Placement
6th | Top/Penthouse
Views
Waterview, Waterfront
Elevator
Yes
Handicap Access
Unknown

Interior Features

Bedrooms
1
Full Bathrooms
1
Half Bathrooms
0
Living Area
452 Sq.Ft
Broker Disclosure about Living Area
Parking additional $100 fee/month. Public record lists as a studio apartment.
Kitchen
Main Floor, Open Floor Plan, Stainless Steel Appliances, Window(s) - Picture, Countertops - Upgraded, Dishwasher, Microwave, Washer, Dryer, Refrigerator - ENERGY STAR
Primary Bedroom
Main Floor
Laundry
In Unit, Main Floor
Living levels
1
Rooms
3
Above grade area
452
Flooring
Laminate
Lead paint
None

Utilities

Heating Type
Central Heat
Heating Zone
Unknown
Cooling
Central Air
Cooling Zones
Unknown
Water
City/Town Water
Sewer
City/Town Sewer
Electric Features
Unknown

Exterior Features

Outdoor Space
Yes - Common
Features
Unknown

Parking

Garage Parking
1 Parking Space, Under, Deeded
Off Street Parking
None

Home Owner Association information

Restrictions
Rentals, Smoking - In Units
HOA
$650 / Monthly
HOA Includes
Gas, Water, Sewer, Master Insurance, Security, Elevator, Exterior Maintenance, Landscaping, Exercise Room, Clubroom, Refuse Removal, Air Conditioning
Special Assessment
No
Pets allowed
Yes
Security
Intercom, TV Monitor, Concierge
Association pool
No

Room details

Living room level
First Floor
Living room features
Window(s) - Picture, Open Floor Plan, Lighting - Pendant
Bathroom 1 level
First Floor
Bathroom 1 features
Bathroom - Full, Bathroom - Tiled With Shower Stall

Listing information

Listing agent
Cheri Meckley
Listing office
Steve Bremis Realty Group
MLS PIN #
73480474
Disclosure
Parking additional $100 fee/month. Public record lists as a studio apartment.

About The Mark

The Mark
The Mark is a luxurious residential complex situated in the vibrant East Boston Waterfront neighborhood of Boston. This stunning new development comprises 119 elegant condominiums spread across 5 floors, offering residents a range of spacious and flexible floor plans to suit their needs. Designed by the world-renowned architectural firm, Hacin + Associates, The Mark features a contemporary design that seamlessly blends with the historic charm of the neighborhood.

The units at The Mark boast top-of-the-line finishes and fixtures, including gourmet kitchens with custom cabinetry, quartz countertops, and stainless steel appliances. The open-concept living areas feature soaring ceilings, large windows, and hardwood flooring, offering breathtaking views of the Boston skyline and the harbor. The luxurious bathrooms feature marble tile, rain showers, and high-end fixtures.

Residents of The Mark enjoy access to a wide range of world-class amenities, including a fitness center, a club room, and a beautifully landscaped rooftop terrace with stunning views of the harbor and the city. The building also features a 24-hour concierge service, on-site garage parking, and ample bicycle storage.

The location of The Mark in the East Boston Waterfront provides residents with easy access to some of the city's best dining, shopping, and cultural attractions. The area is known for its beautiful parks, scenic harbor walks, and marinas, making it a highly desirable location for those seeking a sophisticated urban lifestyle.
Explore The Mark Building Amenities

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