99 Sumner St # 312, Boston MA 02128
Boston, MA 02128 • East Boston's Jeffries Point
$999,000
Est. $7,192/month
About this home
Welcome to Unit 312 at The Mark, a 1,085 sqft 2-bed, 2-bath condo offering luxury waterfront living on East Boston's waterfront. The high-end kitchen ft. stainless steel appliances, quartz countertops, and custom cabinetry flows seamlessly into a sun-filled living space w/ southeast-facing exposure. The primary suite includes a huge walk-in closet and spacious ensuite bath. Step onto your private balcony for sweeping views of Boston Harbor, the downtown skyline, and the New Year's Eve fireworks. Includes 1 garage parking spot and a storage unit. The Mark delivers resort-style amenities: 24/7 concierge, fitness center, golf simulator, pet spa, library, clubroom and lounge, and a courtyard w/ grills and firepit, all just minutes from downtown Boston.
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Property History
Property Timeline
Listed for Sale
May 7, 2026
$999,000
Original listing
Agent: The RP Group
Office: Compass
| Date | Event | Price | Change | $/sqft | Details |
|---|---|---|---|---|---|
| 05/07/2026 | 🏠 Listed for Sale | $999,000 | - | - | Original listing |
Tax History
| Year | Taxes | Assessment |
|---|---|---|
| 2026 | $7,925 | $984,900 |
Financial Details
Annual Property Tax
$7,925
Tax Year 2026
HOA Fee
$1,280
Monthly
Assessed Value
$984,900
Facts & Features
1 Car Garage
Central AC
Home Facts
Type
Residential
Style
Condominium
Year Built
2020
Living Area
1,085 sq ft
Bedrooms
2
Full Baths
2
Total Rooms
5
Interior
Heating
Forced Air
Cooling
Central Air
Flooring
Wood
Appliances
Range, Dishwasher, Disposal, Microwave, Refrigerator, Washer, Dryer
Fireplace
None
Basement
N
Laundry
None
Features
None
Exterior
Construction
None
Architecture
None
Roof
Rubber
Features
Balcony, City View(s)
Pool
None
Spa
None
Fencing
None
Patio/Porch
None
Parking
Garage Spaces
1
Has Garage
Yes
Features
Attached, Under
Total Spaces
1
Utilities
Electric
None
Water
Public
Sewer
Public Sewer
Gas
None
Other
None
Financial
Annual Tax
$7,925
Assessed Value
$984,900
HOA & Community
HOA Fee
$1,280 Monthly
Fee Includes
Water, Sewer, Insurance, Security, Maintenance Structure, Maintenance Grounds, Snow Removal, Trash, Reserve Funds
Amenities
Elevator(s), Recreation Facilities, Fitness Center, Clubroom
Optional Fee Includes
None
Pets
Yes w/ Restrictions
MA Disclosures
Seller Disclosures
None
Additional Details
Possession
None
Accepted Financing
None
Structure Type
["Mid-Rise"]
Unit/Building
312
Sq Ft Source
Public Record
Documents
None
County
Suffolk
Total market time (incl. prior listings)
4 days
Property Overview
Property Type
Condominium
Listing Type
For Sale
Year Built
2020
Bedrooms
2
Full Bathrooms
2
Living Area
1,085 sq ft
Total Rooms
5
Stories
1
Entry Level
3
Floor Layout
Interactive room guide
Floor Layout
Finished Area
1,085 sq ft above grade
Display Options
Room Markers
BABathroom (4)
BRBedroom (5)
DDining (1)
KKitchen (1)
LLiving (2)
OOffice (1)
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:
Wood
Appliances:
Range, Dishwasher, Disposal, Microwave, Refrigerator, Washer, Dryer
Interior Features:
Windows:
Basement:
N
Laundry:
Security:
Concierge
Construction & Materials
Year Built:
2020
Structure Type:
Mid-Rise
Exterior Materials:
Roof:
Rubber
Foundation:
Stories:
1
Heating, Cooling & Utilities
Heating:
Forced Air
Cooling:
Central Air
Hot Water:
Water Source:
Public
Sewer:
Public Sewer
Energy Features:
Exterior & Lot
Exterior Features:
Balcony, City View(s)
Patio & Porch:
Fencing:
Other Structures:
Lot Features:
Road Surface:
Parking & Garage
Garage Spaces:
1
Garage Type:
Attached
Total Parking Spaces:
1
Parking Features:
Attached, Under
Special Features
Waterfront:
Yes
Waterfront Type:
Waterfront, Ocean
View:
Yes
View Type:
City
Community Amenities:
Public Transportation, Park, Walk/Jog Trails, Highway Access, Marina, T-Station, University
Nearby Schools
Elementary Schools
3 schools
East Boston Central Catholic School
0.3 mi
Grades PK-08
B+
Alighieri Dante Montessori School
0.3 mi
|
#5 of 12
|
Score: 45.3
Improved 124 spots from last year
-12.9 below state avg
109 students
Diverse
Rising School
Grades PK-06
Alighieri Montessori
0.3 mi
Middle Schools
1 school
Edwards Middle
1.4 mi
High Schools
3 schools
East Boston High
1.0 mi
C-
East Boston High School
1.0 mi
|
#305 of 346
|
Score: 37.3
Improved 31 spots from last year
-20.9 below state avg
1,252 students
Less Diverse
14 sports
• 584 athletes
Early College Program
Rising School
Grades 07-12
Charlestown High
1.2 mi
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Monthly Payment Breakdown
Principal & Interest
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Property Tax
$660
Homeowners Insurance
$200
HOA Fee
$1,280/mo
PMI (if <20% down)
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Payment Over Time
Year 1
95% Interest
Year 15
50/50
Year 30
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Location
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Neighborhood
East Boston's Jeffries Point
99 Sumner St # 312, Boston MA 02128
Boston, MA 02128
Listing Information
Listing Agent
The RP Group
Listing Office
Compass
Office Phone
617-206-3333
Agent MLS ID
TM330926
Office MLS ID
AN2383
Listing Data Updated
May 11, 2026 3:05 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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