99 Sumner St # 310, Boston MA 02128
Boston, MA 02128 • East Boston
$749,000
Est. $5,608/month
About this home
Recent construction. The Mark is a full service waterfront building in East Boston. Sweeping views to the city skyline over Boston Harbor. Just a two minute walk to Maverick Square MBTA, and water shuttles. Concierge, fitness center, golf simulator, club room, library, fire pits and grills. Resort style living on the water. Condo fee includes parking monthly maintenance fee. Elegantly finished unit with ample closet space, Bosch appliances Silestone quartz counter tops. Oversized windows and a peekaboo view of the water from the living room.
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Recently Sold Nearby
Property History
Property Timeline
Listed for Sale
Apr 17, 2026
$749,000
Original listing
Agent: Samantha Berdinka
Office: Engel & Volkers Boston
| Date | Event | Price | Change | $/sqft | Details |
|---|---|---|---|---|---|
| 04/17/2026 | 🏠 Listed for Sale | $749,000 | - | - | Original listing |
Tax History
| Year | Taxes | Assessment |
|---|---|---|
| 2025 | $8,144 | $703,300 |
Financial Details
Annual Property Tax
$8,144
Tax Year 2025
HOA Fee
$942
Monthly
Assessed Value
$703,300
Facts & Features
1 Car Garage
Central AC
Home Facts
Type
Residential
Style
Condominium
Year Built
2020
Living Area
740 sq ft
Bedrooms
1
Full Baths
1
Total Rooms
4
Interior
Heating
Forced Air
Cooling
Central Air
Flooring
None
Appliances
None
Fireplace
None
Basement
N
Laundry
None
Features
None
Exterior
Construction
None
Architecture
None
Roof
None
Parking
Garage Spaces
1
Has Garage
Yes
Features
Attached, Under, Off Street
Total Spaces
1
Utilities
Electric
None
Water
Public
Sewer
Public Sewer
Gas
None
Other
None
Financial
Annual Tax
$8,144
Assessed Value
$703,300
HOA & Community
HOA Fee
$942 Monthly
Fee Includes
Water, Sewer, Insurance, Security, Maintenance Grounds, Snow Removal, Trash, Reserve Funds
Amenities
Hot Water, Elevator(s), Fitness Center, Clubroom, Garden Area
Optional Fee Includes
None
Down Payment Resource
Eligible
MA Disclosures
Seller Disclosures
None
Additional Details
Possession
None
Accepted Financing
None
Structure Type
["Mid-Rise"]
Unit/Building
310
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
1
Full Bathrooms
1
Living Area
740 sq ft
Total Rooms
4
Stories
1
Entry Level
3
Floor Layout
Interactive room guide
Floor Layout
Finished Area
740 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:
Appliances:
Interior Features:
Windows:
Basement:
N
Laundry:
Security:
Construction & Materials
Year Built:
2020
Structure Type:
Mid-Rise
Exterior Materials:
Roof:
Foundation:
Stories:
1
Heating, Cooling & Utilities
Heating:
Forced Air
Heating Zones:
1
Cooling:
Central Air
Hot Water:
Water Source:
Public
Sewer:
Public Sewer
Parking & Garage
Garage Spaces:
1
Garage Type:
Attached
Total Parking Spaces:
1
Parking Features:
Attached, Under, Off Street
Nearby Schools
Elementary Schools
10 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
D
McKay K-8 School
0.4 mi
|
#332 of 352
|
Score: 27.6
Dropped 36 spots from last year
-30.7 below state avg
640 students
Less Diverse
Grades PK-08
D
Adams Elementary School
0.5 mi
|
#767 of 824
|
Score: 31.2
Dropped 88 spots from last year
-27 below state avg
237 students
Moderate
Grades PK-06
A
Eliot K-8 Innovation School
0.5 mi
|
#48 of 352
|
Score: 57.2
Improved 2 spots from last year
-1.1 below state avg
784 students
Diverse
Strong Attendance
Grades PK-08
St. John Elementary School
0.6 mi
Grades PK-08
C-
Kennedy Patrick J Elementary School
0.6 mi
|
#670 of 824
|
Score: 37.5
Improved 47 spots from last year
-20.7 below state avg
279 students
Less Diverse
Rising School
Grades PK-06
C+
Mario Umana Academy
0.7 mi
|
#11 of 16
|
Score: 26.9
Improved 333 spots from last year
-31.3 below state avg
634 students
Less Diverse
Rising School
Grades PK-08
C+
Otis Elementary School
0.7 mi
|
#551 of 824
|
Score: 42.9
Dropped 160 spots from last year
-15.3 below state avg
408 students
Moderate
Grades PK-06
D
O'Donnell Elementary School
0.7 mi
|
#777 of 824
|
Score: 30.7
Dropped 52 spots from last year
-27.5 below state avg
256 students
Less Diverse
Grades PK-06
Middle Schools
10 schools
Middle School Academy
2.5 mi
F
Higginson/Lewis K-8 School
4.0 mi
|
#349 of 352
|
Score: 23.6
Improved 3 spots from last year
-34.6 below state avg
213 students
Diverse
Grades 03-08
A
Uncommon Schools - Roxbury Preparatory Dorchester Campus Middle School
4.3 mi
|
#4 of 16
|
Score: 41.9
Improved 187 spots from last year
-16.3 below state avg
1,126 students
Diverse
Rising School
College Ready Curriculum
Grades 05-08
Nativity Prep School
4.4 mi
Grades 05-08
Dearborn Middle School
4.6 mi
Mother Caroline Academy
4.7 mi
Grades 05-08
Epiphany School
5.4 mi
Grades 05-08
C
Ohrenberger School
9.2 mi
|
#265 of 352
|
Score: 34.9
Improved 20 spots from last year
-23.3 below state avg
477 students
Diverse
Rising School
Diverse Student Body
Grades 03-08
Edwards Middle
1.4 mi
UP Academy
2.5 mi
High Schools
10 schools
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
D
Charlestown High School
1.2 mi
|
#322 of 346
|
Score: 31.0
Improved 49 spots from last year
-27.2 below state avg
754 students
Diverse
11 sports
• 488 athletes
Early College Program
Rising School
Grades 07-12
C
Quincy Upper School
1.8 mi
|
#268 of 346
|
Score: 44.6
Improved 4 spots from last year
-13.6 below state avg
557 students
Very Diverse
12 sports
• 208 athletes
High Graduation Rate
Diverse Student Body
Grades 06-12
Newman School
2.3 mi
Grades 07-12
Cathedral High School
2.3 mi
9 sports
• 430 athletes
Grades 07-12
B
Dearborn STEM Academy
3.5 mi
|
#13 of 25
|
Score: 31.7
Improved 356 spots from last year
-26.6 below state avg
565 students
Diverse
10 sports
• 242 athletes
Early College Program
Rising School
Grades 07-12
C
Ruth Batson Academy
3.5 mi
|
#19 of 25
|
Score: 27.6
Improved 346 spots from last year
-30.6 below state avg
604 students
Diverse
8 sports
• 128 athletes
Early College Program
Rising School
Grades 07-12
A-
O'Bryant School of Math & Science
3.5 mi
|
#90 of 346
|
Score: 61.1
Improved 94 spots from last year
+2.9 above state avg
1,509 students
Very Diverse
High Graduation Rate
Rising School
College Ready Curriculum
Diverse Student Body
Grades 07-12
A+
Boston Latin School
3.6 mi
|
#19 of 346
|
Score: 73.3
Improved 61 spots from last year
+15.1 above state avg
2,424 students
Very Diverse
18 sports
• 2,006 athletes
Strong AP Program
High Graduation Rate
Rising School
Strong Athletics
Grades 07-12
A+
Boston Latin Academy
4.2 mi
|
#2 of 25
|
Score: 63.9
Improved 214 spots from last year
+5.7 above state avg
1,693 students
Very Diverse
17 sports
• 1,298 athletes
High Graduation Rate
Rising School
Strong Athletics
Diverse Student Body
Grades 07-12
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Loan Amount
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Over life of loan
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Including down payment
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Down: $0
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Monthly Payment Breakdown
Principal & Interest
$0
Property Tax
$679
Homeowners Insurance
$200
HOA Fee
$942/mo
PMI (if <20% down)
$0
Loan Summary
Total of 360 payments
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Payment Over Time
Year 1
95% Interest
Year 15
50/50
Year 30
95% Principal
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Location
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Neighborhood
East Boston
99 Sumner St # 310, Boston MA 02128
Boston, MA 02128
Listing Information
Listing Agent
Samantha Berdinka
Listing Office
Engel & Volkers Boston
Office Phone
617-936-4194
Agent MLS ID
CN218377
Office MLS ID
AN2593
Listing Data Updated
Apr 21, 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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