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Listed Mar 23, 2026 •
MLS# 73490155
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About this home
Bright, well-appointed 1+ den opportunity with parking at The Mark on East Boston’s waterfront. Elegant & distinctive interior finishes throughout the building & home. Oversized windows flood the open living space with natural light & courtyard/water views. The kitchen features Silestone quartz counter tops, Bosch appliances & an island perfect for entertaining. The Primary bedroom has charming views of courtyard and water, and the versatile den is perfect for a home office/second bedroom. Enjoy ample closet space and storage solutions throughout including a deeded storage unit conveniently located on the same floor. The Mark is a full service building with amenities including: 24/7 concierge, fitness center with flex studio, harbor view resident terrace with grills and fire pits, golf simulator, conference rooms, entertainment suite, and pet spa. Modern community in a prime Eastie location — easy access to dining, transit and waterfront. A turnkey opportunity for seamless city living.
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Parking Features:Attached, Under, Deeded, Off Street
Location
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Neighborhood
East Boston
99 Sumner St # 506, Boston MA 02128
Boston, MA 02128
Walkability
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Nearby Schools
School District
Boston School District local
C-
🎓Where Graduates GoClass of 2021
52%attend college
38%4-Year14%2-Year7%Out of State7%Working
⚠School Safety2024-25
3.7%Above Average
3.2%Suspensions0.3%In-School0.5%Emergency
↓
1.8% below state avg
E
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
0.6 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
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
St. John Elementary School
0.6 mi
Grades PK-08
C+
Otis Elementary School
0.6 mi
|
#551 of 824 |
Score: 42.9
Dropped 160 spots from last year
-15.3 below state avg
408 students
Moderate
Grades PK-06
C+
Mario Umana Academy
0.6 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
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
M
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
4.7 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
H
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
3.7 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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Monthly Payment Breakdown
Principal & Interest$0
Property Tax$757
Homeowners Insurance$200
HOA Fee$964/mo
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Year 1
95% Interest
Year 15
50/50
Year 30
95% Principal
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Property History
Property Timeline
🏠
Listed for Sale
Mar 23, 2026
$850,000
Original listing
Agent: Alexandria LyonsOffice: JD Advisors, Inc
Date
Event
Price
Change
$/sqft
Details
03/23/2026
🏠
Listed for Sale
$850,000
-
-
Original listing
Price & Status History
Date
Event
Price
Change
Mar 23, 2026
New Listing Added
$850,000
—
Market Statistics
Days on Market
101 days
Price per Sq Ft
$1,086
Tax History
Year
Taxes
Assessment
2025
$9,081
$784,200
Financial Details
Annual Property Tax
$9,081
Tax Year 2025
HOA Fee
$964
Monthly
Assessed Value
$784,200
Listing Information
Listing AgentAlexandria Lyons
Listing OfficeJD Advisors, Inc
Agent MLS IDCN215803
Office MLS IDAN8458
Listing Data UpdatedApr 26, 2026 12:59 PM EDT
Listing information is deemed reliable but not guaranteed. Data provided by MLS Property Information Network, Inc. All information should be independently verified.