99 Sumner # 421, Boston MA 02128
Boston, MA 02128 • East Boston's Jeffries Point
$1,160,000
Track this home for price, status, and open-house alerts.
Sale Statistics
Sale Overview
Original List Price:
$1,199,000
Final Sale Price:
$1,160,000
Difference:
$39,000 (-3.3%)
Performance Metrics
96.7%
List to Sale Ratio
Sold below asking price
31
Days on Market
Average time
Price per Square Foot Analysis
Original $/sq ft:
$1,003
Sale $/sq ft:
$971
This property sold for $971 per square foot
Sale Summary
This property sold for 3.3% below the original asking price.
The property spent 31 days on market before selling.
About this home
Experience exceptional waterfront living at The Mark. This residence features two bedrooms, a bonus room/versatile den, two full baths, and a private balcony overlooking the Harbor. The open-concept interior is anchored by a chef’s kitchen boasting Bosch appliances and quartz countertops, all flowing seamlessly across warm hardwood floors. Generous bedrooms and closet space, while the primary bedroom features an ensuite bathroom. This home comes complete with in-unit laundry, two garage parking spaces and a private storage unit. Life at The Mark offers unparalleled full-service luxury. Residents enjoy a 24-hour concierge, fitness center, fireplace lounge, billiards room, library, & a pet spa. Step outside to the private balcony or explore the vibrant local scene. With the ferry, Blue Line, and Logan Airport just moments away, downtown Boston & beyond are within easy reach. This is a rare opportunity to enjoy a dynamic city lifestyle in a in a premier waterfront setting.
View in the App
Save this property, schedule tours instantly, and get alerts when the price drops
Scan with phone
Public Records & Permits
Log in to view assessor & tax records, ownership history, and recent building permits for this property.
BMN Estimate
Get the number an algorithm can't give you
A free agent CMA factors in condition, upgrades, and the street — the things comps alone can't see.
Recently Sold Nearby
Property History
Market Insights
3.3%
Price Range
46
Total Days on Market
Property Timeline
Sold
Aug 10, 2026
$1,160,000
Property sold
Days on Market: 46
Status: Active under contract
Jul 20, 2026
Active → Active Under Contract
Pending Sale
Jul 19, 2026
Offer accepted, sale pending
Listed for Sale
Jun 18, 2026
$1,199,000
Original listing
Agent: Caroline Morson
Office: Compass
Listed for Sale
Jun 18, 2026
$1,199,000
Original listing
Agent: Caroline Morson
Office: Compass
| Date | Event | Price | Change | $/sqft | Details |
|---|---|---|---|---|---|
| 08/10/2026 | ✓ Sold | $1,160,000 | - | - | Property sold |
| 07/20/2026 | 📋 Status: Active under contract | - | - | - | Active → Active Under Contract |
| 07/19/2026 | ⏳ Pending Sale | - | - | - | Offer accepted, sale pending |
| 06/18/2026 | 🏠 Listed for Sale | $1,199,000 | - | - | Original listing |
| 06/18/2026 | 🏠 Listed for Sale | $1,199,000 | - | - | Original listing |
Tax History
| Year | Taxes | Assessment |
|---|---|---|
| 2026 | $14,608 | $999,999,999 |
Financial Details
Annual Property Tax
$14,608
Tax Year 2026
HOA Fee
$1,428
Monthly
Assessed Value
$999,999,999
Facts & Features
2 Car Garage
Central AC
Home Facts
Type
Residential
Style
Condominium
Year Built
2021
Living Area
1,195 sq ft
Stories
1
Bedrooms
2
Full Baths
2
Total Rooms
6
Interior
Heating
Forced Air
Cooling
Central Air
Flooring
Wood
Appliances
Range, Dishwasher, Disposal, Microwave, Refrigerator, Freezer, Washer, Dryer
Fireplace
None
Basement
N
Laundry
In Unit
Features
None
Exterior
Construction
Brick
Architecture
None
Roof
None
Features
Deck
Pool
None
Spa
None
Fencing
None
Patio/Porch
Deck
Parking
Garage Spaces
2
Has Garage
Yes
Features
Under, Garage Door Opener
Total Spaces
2
Utilities
Electric
None
Water
Public
Sewer
Public Sewer
Gas
None
Other
For Gas Range
Financial
Annual Tax
$14,608
Assessed Value
$999,999,999
HOA & Community
HOA Fee
$1,428 Monthly
Fee Includes
Water, Sewer, Insurance, Security, Maintenance Structure, Maintenance Grounds, Snow Removal, Trash, Reserve Funds
Amenities
Hot Water, Recreation Facilities, Fitness Center, Storage, Garden Area
Optional Fee Includes
None
Pets
Yes
MA Disclosures
Lead Paint
None
Seller Disclosures
The Two Garage Parking Spaces (#24 And #35) Are $75/month Each, For A Total Additional $150 Per Month. Price Includes Additional Storage Space #411 On Same Floor As The Unit Itself.
Additional Details
Possession
None
Accepted Financing
Contract
Structure Type
["Mid-Rise"]
Unit/Building
421
Sq Ft Source
Public Record
Documents
Master Deed, Unit Deed, Rules & Regs, Floor Plans, Association Financial Statements (5)
County
Suffolk
Total market time (incl. prior listings)
46 days
Property Overview
Property Type
Condominium
Listing Type
Sold
Year Built
2021
Bedrooms
2
Full Bathrooms
2
Living Area
1,195 sq ft
Total Rooms
6
Stories
1
Entry Level
4
Floor Layout
Interactive room guide
Floor Layout
Finished Area
1,195 sq ft above grade
FeaturesYes
Display Options
Outdoor Areas
Patio & porchDeck
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, Freezer, Washer, Dryer
Interior Features:
Windows:
Insulated Windows
Basement:
N
Laundry:
In Unit
Security:
Intercom, TV Monitor, Concierge
Construction & Materials
Year Built:
2021
Structure Type:
Mid-Rise
Exterior Materials:
Brick
Roof:
Foundation:
Stories:
1
Heating, Cooling & Utilities
Heating:
Forced Air
Heating Zones:
1
Cooling:
Central Air
Cooling Zones:
1
Hot Water:
Water Source:
Public
Sewer:
Public Sewer
Energy Features:
Exterior & Lot
Exterior Features:
Deck
Patio & Porch:
Deck
Fencing:
Other Structures:
Lot Features:
Road Surface:
Parking & Garage
Garage Spaces:
2
Garage Type:
Attached
Total Parking Spaces:
2
Parking Features:
Under, Garage Door Opener
Special Features
Waterfront:
Yes
Waterfront Type:
Waterfront, Harbor
Community Amenities:
Public Transportation, Shopping, Park, Walk/Jog Trails, Bike Path, Highway Access, House of Worship, Private School, Public School, T-Station, University
Nearby Schools
School District
Boston School District local
C-
Where Graduates Go
Class of 2021
52%
attend college
38%
4-Year
14%
2-Year
7%
Out of State
7%
Working
School Safety
2024-25
3.7%
Above Average
3.2%
Suspensions
0.3%
In-School
0.5%
Emergency
1.8% below state avg
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: 45.2
Improved 124 spots from last year
-13 below state avg
100 students
Diverse
Rising School
Strong Attendance
Grades PK-06
D
McKay K-8 School
0.4 mi
|
#332 of 352
|
Score: 27.4
Dropped 36 spots from last year
-30.8 below state avg
599 students
Less Diverse
Grades PK-08
D
Adams Elementary School
0.5 mi
|
#770 of 825
|
Score: 31.0
Dropped 91 spots from last year
-27.2 below state avg
222 students
Moderate
Grades PK-06
A
Eliot K-8 Innovation School
0.6 mi
|
#47 of 352
|
Score: 57.5
Improved 3 spots from last year
-0.7 below state avg
779 students
Diverse
Strong Attendance
Grades PK-08
C-
Kennedy Patrick J Elementary School
0.6 mi
|
#669 of 825
|
Score: 37.4
Improved 48 spots from last year
-20.8 below state avg
285 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
|
#540 of 825
|
Score: 43.4
Dropped 149 spots from last year
-14.8 below state avg
414 students
Moderate
Grades PK-06
C+
Mario Umana Academy
0.6 mi
|
#11 of 16
|
Score: 26.5
Improved 333 spots from last year
-31.7 below state avg
585 students
Less Diverse
Rising School
Grades PK-08
D
O'Donnell Elementary School
0.7 mi
|
#784 of 825
|
Score: 29.9
Dropped 59 spots from last year
-28.3 below state avg
248 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: 23.2
Improved 3 spots from last year
-35 below state avg
246 students
Diverse
Grades 03-08
A
Uncommon Schools - Roxbury Preparatory Dorchester Campus Middle School
4.3 mi
|
#4 of 16
|
Score: 42.5
Improved 187 spots from last year
-15.7 below state avg
1,225 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
|
#266 of 352
|
Score: 35.0
Improved 19 spots from last year
-23.2 below state avg
458 students
Diverse
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
|
#300 of 346
|
Score: 38.2
Improved 36 spots from last year
-20 below state avg
1,181 students
Moderate
14 sports
• 584 athletes
Early College Program
Rising School
Grades 07-12
D
Charlestown High School
1.2 mi
|
#319 of 346
|
Score: 32.9
Improved 52 spots from last year
-25.4 below state avg
646 students
Diverse
11 sports
• 488 athletes
Early College Program
Rising School
Grades 07-12
C
Quincy Upper School
1.8 mi
|
#279 of 346
|
Score: 44.4
Dropped 7 spots from last year
-13.8 below state avg
575 students
Very Diverse
12 sports
• 208 athletes
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: 33.4
Improved 356 spots from last year
-24.8 below state avg
565 students
Moderate
10 sports
• 242 athletes
Early College Program
Rising School
Grades 07-12
C
Ruth Batson Academy
3.5 mi
|
#20 of 25
|
Score: 29.1
Improved 345 spots from last year
-29.1 below state avg
584 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: 61.6
Improved 94 spots from last year
+3.4 above state avg
1,518 students
Very Diverse
High Graduation Rate
Rising School
College Ready Curriculum
Diverse Student Body
Grades 07-12
A+
Boston Latin School
3.7 mi
|
#20 of 346
|
Score: 73.7
Improved 60 spots from last year
+15.5 above state avg
2,382 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: 64.9
Improved 214 spots from last year
+6.7 above state avg
1,669 students
Very Diverse
17 sports
• 1,298 athletes
Strong AP Program
High Graduation Rate
Rising School
Strong Athletics
Grades 07-12
Learn about these ratings
Location
Loading map...
Neighborhood
East Boston's Jeffries Point
99 Sumner # 421, Boston MA 02128
Boston, MA 02128
Listing Information
Listing Agent
Caroline Morson
Listing Office
Compass
Office Phone
617-206-3333
Agent MLS ID
CN222162
Office MLS ID
AN2383
Listing Data Updated
Aug 10, 2026 12:26 PM EDT
Listing information is deemed reliable but not guaranteed. Data provided by MLS Property Information Network, Inc. All information should be independently verified.
Contact Us
Ask about this property — free, no obligation.
Similar Homes for Sale
Comparable Properties
Customize Comparable Search
Finding comparable properties...
Loading market insights for Boston.