Condominium at 99 Sumner Street # 206, Boston MA 02128, Boston
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$725,000

99 Sumner Street # 206, Boston MA 02128
Boston, MA 02128
Listed by Nico Longo Ryan
Bedrooms
1
Bathrooms
1
Living area
809 sqft
Year built
2020

About this home

Waterfront luxury living at The Mark. Completed in 2020, this spacious one-bedroom plus den residence pairs sophisticated design with exceptional privacy, sharing its section of the floor with just one neighboring home. The open-concept kitchen and living area is anchored by a striking waterfall Silestone island and features sleek cabinetry, Bosch appliances, wide-plank flooring, abundant natural light, and a partial water view. The bright bedroom comfortably accommodates a king-sized bed, while the versatile den is ideal for a home office, nursery, or guest space. Custom-fitted blinds throughout the living room and bedroom, an in-unit washer and dryer, generous closets, and a private storage unit conveniently located on the same floor complete the residence. The Mark delivers a true full-service waterfront lifestyle with 24/7 concierge, a state-of-the-art fitness center, resident lounge, golf simulator, pet spa, electric vehicle charging stations, and a spectacular harbor-view terrace with grilling stations, fire pits, and panoramic views of the Boston skyline. Rental parking is available nearby. Set directly along the East Boston waterfront in Jeffries Point, the home is moments from ReelHouse, La Tavernetta, waterfront parks, the water taxi, and Maverick Station, offering MBTA blue line access to Downtown Boston in just two stops and effortless proximity to Logan Airport. This is city living with a waterfront address and resort-style amenities.

Highlights

Waterfront

Property details

MLS #
73574884
Property type
Condominium
Subdivision
N/A
Status
Active
Days on market
32
On market date
September 10, 2026
Stories
1
Total bathrooms
1
Garage spaces
1
Parking spaces
2
Lot size
N/A
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Nearby schools

Within 10 miles. School directory data from the National Center for Education Statistics (NCES), accessed via the Urban Institute Education Data API. Local Score is calculated by INNOVATE Real Estate; where a state rating is shown, it comes from that state's own official school report card.

Elementary
Dante Alighieri Montessori School
0.26 mi away · Grades -1-6
Nearest school -- attendance-zone data not available here
5.0
Local Score (student-teacher ratio only (preliminary -- will incorporate state test-score data once available)) -- not an official state rating
Enrollment
104
Student:teacher ratio
10.4:1
District
Boston
Middle
Joseph A. Browne School
1.68 mi away · Grades 5-8
Nearest school -- attendance-zone data not available here
4.0
Local Score (student-teacher ratio only (preliminary -- will incorporate state test-score data once available)) -- not an official state rating
Enrollment
540
Student:teacher ratio
12.3:1
District
Chelsea
High
East Boston High
0.88 mi away · Grades 7-12
Nearest school -- attendance-zone data not available here
4.0
Local Score (student-teacher ratio only (preliminary -- will incorporate state test-score data once available)) -- not an official state rating
Enrollment
1,111
Student:teacher ratio
12.2:1
District
Boston

Walkability

Blended score for Boston's center, calculated by INNOVATE Real Estate from two sources: the EPA's National Walkability Index (street network, transit, land-use mix) and Google Places amenity data (what's actually reachable on foot from this point). 60% EPA National Walkability Index + 40% nearby-amenity density (Google Places).

79
Walkable
out of 100
EPA National Walkability Index
13.0 / 20 -- Above average walkable
Google Places amenity density
100 / 100
Restaurants & cafes20
Grocery stores20
Parks20
Schools20
Transit stops20
Pharmacies11

Market position

How this listing compares to current activity in Boston, from live MLS data.

On the market 32 days -- 88 fewer days than Boston's current average of 120 days.
For reference, the median list price across 8,628 active listings in Boston right now is $49,000.

Mortgage calculator

Estimate only - actual rate and payment depend on your lender, credit, and loan program.

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Est. monthly payment
$4,516/mo
$145,000 down
$580,000 loan
Principal & interest$3,762
Property tax (est.)$604
Home insurance (est.)$150

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Data source: Listing information provided by MLS Property Information Network via Trestle/CoreLogic. Last updated 8 days ago.

Information herein deemed reliable but not guaranteed; all measurements, school assignments, HOA fees, taxes, and feature lists are approximate and should be independently verified. Equal Housing Opportunity.