99 Sumner St, Unit 623

452 Sq. Ft.
$1,327 / Sq. Ft.
452
Sq. Ft.
$1,327
per Sq. Ft.

Description

Welcome home to this beautifully appointed, professionally designed penthouse residence—perfectly suited for a busy city lifestyle. Enjoy the ease of newer construction living paired with full-service concierge and premier amenities. This is the only alcove studio in the building featuring deeded garage PARKING and upgraded glass bedroom doors. Thoughtful customizations—including designer shades, upgraded lighting, and bespoke paint finishes—create a refined and sophisticated living space. Residents...Welcome home to this beautifully appointed, professionally designed penthouse residence—perfectly suited for a busy city lifestyle. Enjoy the ease of newer construction living paired with full-service concierge and premier amenities. This is the only alcove studio in the building featuring deeded garage PARKING and upgraded glass bedroom doors. Thoughtful customizations—including designer shades, upgraded lighting, and bespoke paint finishes—create a refined and sophisticated living space. Residents enjoy exceptional amenities, including a golf simulator and theater room, an expansive entertainment lounge with catering kitchen, and seamless access to an outdoor patio—ideal for hosting and relaxing alike. From your home, take in breathtaking sunsets and sweeping views of the Boston skyline and Boston Harbor. All of this is just minutes from the MBTA, acclaimed local dining, the water taxi, and nearby parks—placing the very best of the city right at your doorstep.
  1. Listed by Cheri Meckley • Steve Bremis Realty Group

Property Details for 99 Sumner Street, Unit 623

Town
Boston
MLS Area
East Boston
Area
MA-Boston-East Boston, MA-Boston
Style
Mid-Rise
Garage Spaces
1
Open Parking Spaces
1.00
Parking Spaces Total
1
Unit Placement
Top/Penthouse
LISTING UPDATED: 03/02/2026 03:06 AM

Property Details for 99 Sumner Street, Unit 623

StatusActive
MLS #73480474
Days on Market57
Taxes$6,450 / year
HOA Fees$650 / month
Property TypeCondo
MLS TypeCondominium/Co-Op / Condo
Year Built2020
CountySuffolk County

Location

Listing Courtesy of Steve Bremis Realty Group, Cheri Meckley
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Building Information for 99 Sumner Street, Unit 623

Building/ComplexThe Mark at DeNormandie WharfFloor6Stories-Residences107Pet PolicyAllowedPet Policy DetailsPets AllowedYear Built2020

Payment Calculator

$4,209 per month

30 year fixed, 6.46% Interest

Principal and Interest

$3,021

Property Taxes

$538

HOA Dues

$650

The Payment Calculator is for illustrative purposes only.

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Property Information for 99 Sumner Street, Unit 623

General Details
Property Details
  • Association Amenities: Elevator(s), Fitness Center, Clubroom
  • Building Area Units: Square Feet
  • Community Features: Public Transportation, Shopping, Park, Highway Access, Public School, T-Station
  • Living Area: 452.0
  • SqFt with Basement: No
  • Total Units: 107
  • Property Attached: Yes
  • Type of Condo: Condo
  • Waterfront: Yes
  • Water View: Yes
  • Year Built Details: Actual
  • Year Built Source: Public Records
Features
Interior Features
  • Appliances: Dishwasher, Microwave, Washer, Dryer, ENERGY STAR Qualified Refrigerator
  • Basement Features: N
  • Common Walls: Top/Penthouse
  • Num of Baths: 1.0
  • Num of Full Baths: 1
  • Num of Half Baths: 0
  • Bathrooms Total Decimal: 1.00
  • Bathrooms Total Integer: 1
  • FireplaceYN: No
  • Fireplaces: 0
  • Flooring: Laminate
  • Interior Features: Intercom
  • Laundry Features: Electric Dryer Hookup, Washer Hookup, First Floor, In Unit
  • SpaYN: No
Exterior Features
  • Structure Type: Mid-Rise
  • Waterfront Features: Waterfront, Harbor
  • Waterview Features: Harbor
Parking Features
  • Attached Garage: Yes
  • Carport: No
  • Covered Spaces: 1.00
  • Garage: Yes
  • Garage Parking: Under, Deeded
  • Parking Features: Under, Deeded
  • Parking Features: Deeded
Utilities
  • Cooling: Central Air
  • Cooling: Yes
  • Heating: Central
  • Heating: Yes
  • Sewer: City/Town Sewer
  • Water: Public
Room Information
Primary Bedroom
  • Primary Bedroom Level: First Floor
Bathroom 1
  • Bathroom1 Features: Bathroom - Full,Bathroom - Tiled With Shower Stall
  • Bathroom1 Level: First
Kitchen
  • Kitchen Features: Window(s) - Picture,Countertops - Upgraded,Open Floorplan,Stainless Steel Appliances
  • Kitchen Level: First
Living Room
  • Room Living Room Features: Window(s) - Picture,Open Floorplan,Lighting - Pendant
  • Room Living Room Level: First
Property Information
Property Info
  • Year Round: Yes
  • Farm Land Area Units: Square Feet
  • WARRANTY: No
  • Lot Size Units: Acres
Tax Information
  • Tax ID: 5200268
  • Assessments: $520,200
  • Book: 66149
  • Tax Year: 2026
  • Zoning: RES
Building / Association Information
Living Characteristics
  • Beds Total: 1
  • Total Living Levels: 1
Complex & Association Information
  • Association Fee Frequency: Monthly
  • Association Fee Includes: Gas, Water, Sewer, Insurance, Security, Maintenance Structure, Maintenance Grounds, Trash, Air Conditioning
  • Complex Name: The Mark
  • Complex Complete: Yes
  • Management: Professional - On Site
  • Association Security: Intercom, TV Monitor, Concierge
  • Adult Community: No
Unit Information
Unit Information
  • Unit Building: 623
  • Unit Floor Level Integer: 6.0

Property History for 99 Sumner Street, Unit 623

DateEvent & SourcePriceAppreciation
Feb 26, 2026

Listed (Active)

MLS PIN #73480474

$599,999—
Sep 30, 2025

Expired

MLS PIN #73347987

$599,000—
Jul 21, 2025

Temporarily Withdrawn

MLS PIN #73347987

$599,000—
DateEvent & SourcePrice
02/26/2026

Listed (Active)

MLS PIN #73480474

$599,999
09/30/2025

Expired

MLS PIN #73347987

$599,000
07/21/2025

Temporarily Withdrawn

MLS PIN #73347987

$599,000

For completeness, Compass often displays two records for one sale: the MLS record and the public record.

Public Records for 99 Sumner Street, Unit 623

Taxable ValueLand-Additions$515,100Total-
Tax Record2025$5,965 ($497 / month)
Home Facts
Beds0Total Finished SqFt450 SqFtAbove Grade Finished SqFt450 SqFtStories1StyleCondominiumYear Built2020ZoningCDCountySUFFOLKAPNCBOS W:01 P:05403 S:212

Schools near 99 Sumner Street, Unit 623

This home is within Boston Public Schools.
Rating
School
Type
Grades
Distance
Public - PK to 6
Public - PK to 8
Public - 7 to 12
Public - PK to 1
Rating
School
Distance
Dante Alighieri
PublicPK to 6

McKay K-8 School
PublicPK to 8

East Boston High School
Public7 to 12

East Boston Early Childhood Center
PublicPK to 1

School ratings and boundaries are provided by GreatSchools.org and Pitney Bowes. This information should only be used as a reference. Proximity or boundaries shown here are not a guarantee of enrollment. Please reach out to schools directly to verify all information and enrollment eligibility.

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99 Sumner Street, Unit 623 is a condo for sale in Boston, MA 02128. This property was listed for sale on February 26, 2026 by Steve Bremis Realty Group, it's currently listed at $599,999. It has been on the market for a total of 57 days and was last sold on August 24, 2021. This listing's school district is Boston Public Schools. Nearby schools include Dante Alighieri, McKay K-8 School and East Boston High School. 99 Sumner Street, Unit 623 is a 1-bed, 1-bath, 452 sqft condo built in 2020.

No guarantee, warranty or representation of any kind is made regarding the completeness or accuracy of descriptions or measurements (including square footage measurements and property condition), such should be independently verified, and Compass, Inc., its subsidiaries, affiliates and their agents and associated third parties expressly disclaims any liability in connection therewith. Photos may be virtually staged or digitally enhanced and may not reflect actual property conditions. Offers of compensation are subject to change at the discretion of the seller. No financial or legal advice provided. Equal Housing Opportunity. Subject to change at any time. Compass, Inc., its subsidiaries, affiliates and their agents and associated third parties make no guarantee, warranty or representation regarding the accuracy of any waterfront feature, water view or waterfront view.

Listing Courtesy of Steve Bremis Realty Group, Cheri Meckley

The property listing data and information, or the images, set forth herein were provided to MLS Property Information Network, Inc., Martha's Vineyard MLS, CCIMLS, Link MLS, and Berkshire County Board of REALTORS from third party sources, including sellers, lessors and public records, and were compiled by MLS Property Information Network, Inc., Martha's Vineyard MLS, CCIMLS, Link MLS, and Berkshire County Board of REALTORS. The property listing data and information, and the images, are for the personal, non-commercial use of consumers having a good faith interest in purchasing or leasing listed properties of the type displayed to them and may not be used for any purpose other than to identify prospective properties which such consumers may have a good faith interest in purchasing or leasing. MLS Property Information Network, Inc., Martha's Vineyard MLS, CCIMLS, Link MLS, and Berkshire County Board of REALTORS and its subscribers disclaim any and all representations and warranties as to the accuracy of the property listing data and information, or as to the accuracy of any of the images, set forth herein.