99 Sumner St #312 · Boston

FOR SALE · MLS #73577896

$959,000

beds
2
baths
2
sqft
1,085

99 Sumner St #312

Boston, MA 02128

LOCATION

Property location

Directions

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99 Sumner St #312, Boston, MA 02128Open Street View

corner of Sumner St and London St

Home type
Condominium
Interior living area
1,085 sqft
Year built
2021
Parking spaces
1
Price per sqft
$884/sqft
HOA fee
$1,280 · Monthly

About this home

Welcome to The Mark at DeNormandie Wharf. Experience this condo that truly offers the feel of a vacation home with the convenience of city living. This southeast-facing unit bathes in abundant natural light throughout the day, offering breathtaking city and water views. This unit showcases full Bosch appliances, a Silestone Quartz waterfall island, upgraded cabinetry, and a private walkout balcony where you can enjoy New Year's Eve fireworks right from your own space. The Mark is a full-service building that offers a variety of amenity services including a 24/7 concierge, harbor-view lounges, fitness center, golf simulator, pet spa, library, and state-of-a-art courtyard with grills and firepit. Being only two minutes away from Maverick station and nearby ferries to Seaport District, you’re perfectly positioned to enjoy all the excitement of the city while retreating to your tranquil waterfront home. Plus, this unit comes with a deeded garage parking space and a dedicated storage unit.

Listed by Highland Homes Team · Highland Homes Realty LLC
MLS PIN #73577896 · Updated 9/20/2026, 4:05:00 AM ET

Building & association

Building name
The Mark At Denormandie
Total units
107
Building stories
1
Entry level
3
HOA fee includes
Water · Sewer · Insurance · Maintenance Structure · Maintenance Grounds · Snow Removal · Reserve Funds
Association amenities
Elevator(s) · Fitness Center · Garden Area · Clubhouse
Pets allowed
Yes w/ Restrictions

From MLS fields in this listing. Confirm association rules and fees with the association documents.

Facts & features

Home overview
Property subtype
Condominium
Property category
Residential
MLS status
Active
Building name
The Mark At Denormandie
Bedrooms
2
Full bathrooms
2
Half bathrooms
0
Total bathrooms
2
Total rooms
5
Living area
1,085 sqft
Living area source
Public Record
Above grade finished area
1,085 sqft
Building area
1,085
Building area units
Square Feet
Building area source
Public Records
Area includes basement
No
Area disclosures
Balcony NOT in included in the sqft
Stories
1
Building stories
1
Entry level
3
Unit building
312
Interior & systems
Heating
Forced Air
Heating available
Yes
Heating zones
1
Cooling
Central Air
Cooling available
Yes
Cooling zones
1
Appliances
Disposal · Microwave · ENERGY STAR Qualified Refrigerator · ENERGY STAR Qualified Dryer · ENERGY STAR Qualified Dishwasher · ENERGY STAR Qualified Washer · Range Hood · Cooktop
Flooring
Engineered Hardwood
Laundry
In Unit
Basement
N
Fireplace
No
Fireplaces
0
Security features
Intercom · Security Gate · Concierge

Price & tax details

Current asking price$959,000
Original asking price$959,000
Listed on2026-09-15
Days on market5
Tax record supplied by MLS
YearProperty taxAssessed value
2026$7,925.22$984,900

These records are supplied by the current listing. Assessed value is not market value; confirm taxes with the local assessor.

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SCHOOLS & EDUCATION

Schools & performance

2026 MA DESE

School names, grades and state-reported measures are listed below.

This listing does not name individual schools. Public school information below is context, not an attendance assignment for this address.

Nearby public schools

Sorted by straight-line distance within the city. These are not attendance boundaries or a guarantee of enrollment.

78DESE percentile

Nearby public school · not assigned

Alighieri Dante Montessori School

Grades PK · K · 1 · 2 · 3 · 4 · 5 · 6

Straight-line distance 0.55 km

Progress toward targets 54%

14DESE percentile

Nearby public school · not assigned

McKay K-8 School

Grades PK · K · 1 · 2 · 3 · 4 · 5 · 6 · 7 · 8

Straight-line distance 0.75 km

Progress toward targets 55%

—DESE percentile

Nearby public school · not assigned

East Boston Early Education Center

Grades PK · K · 1

Straight-line distance 0.76 km

DESE does not report a percentile for this school.

26DESE percentile

Nearby public school · not assigned

Adams Elementary School

Grades PK · K · 1 · 2 · 3 · 4 · 5 · 6

Straight-line distance 0.77 km

Progress toward targets 53%

85DESE percentile

Nearby public school · not assigned

Eliot K-8 Innovation School

Grades PK · K · 1 · 2 · 3 · 4 · 5 · 6 · 7 · 8

Straight-line distance 0.87 km

Progress toward targets 58%

56DESE percentile

Nearby public school · not assigned

Otis Elementary School

Grades PK · K · 1 · 2 · 3 · 4 · 5 · 6

Straight-line distance 1.07 km

Progress toward targets 64%

MLS school names do not guarantee attendance. Assignment can vary by school year, grade and admissions policy; confirm with the district before committing.
What do these numbers mean?

DESE accountability percentiles (1–99) compare schools administering similar assessments, using up to two years of indicators. These are not test scores out of 100 or GreatSchools 1–10 ratings. Progress toward targets is a separate state measure. Consider programs, support services and your child’s needs as well.

School names link to available school or district websites.

Information is deemed reliable but is not guaranteed. © 2026 MLS Property Information Network, Inc. All rights reserved.

Listings updated