99 Sumner St, Unit 612

1,206 Sq. Ft.
$1,077 / Sq. Ft.
1,206
Sq. Ft.
$1,077
per Sq. Ft.

Description

Welcome to Penthouse Unit 612—where waterfront living meets comfort and convenience. Just minutes from Logan Airport and downtown Boston, The Mark provides 24/7 concierge service, deeded garage parking, extra storage, and thoughtfully designed spaces that elevate daily living—from the club room and golf simulator to the pet-washing station, yoga/fitness studio, and the inviting garden terrace with lounge. This 2 bed PLUS/2 bath penthouse features a sleek open kitchen with high-end appliances and...Welcome to Penthouse Unit 612—where waterfront living meets comfort and convenience. Just minutes from Logan Airport and downtown Boston, The Mark provides 24/7 concierge service, deeded garage parking, extra storage, and thoughtfully designed spaces that elevate daily living—from the club room and golf simulator to the pet-washing station, yoga/fitness studio, and the inviting garden terrace with lounge. This 2 bed PLUS/2 bath penthouse features a sleek open kitchen with high-end appliances and a large island. The primary suite fits a king bed, includes two custom closets, and offers a spa-like ensuite with a glass shower. The additional bedroom and flex space provide excellent work-from-home potential. Enjoy harbor and Boston skyline views, plus easy access to Maverick T Station, Tall Ship, and ferries to the Seaport and Long Wharf—an ideal blend of serenity, views, and city living. Seller is motivated! Book an appointment for a private showing.
  1. Listed by Eain Williams • Leading Edge Real Estate

Property Details for 99 Sumner Street, Unit 612

Town
Boston
MLS Area
East Boston's Jeffries Point
Area
MA-Boston-East Boston's Jeffries Point, MA-Boston
Style
Mid-Rise
Garage Spaces
1
Open Parking Spaces
.00
Parking Spaces Total
1
Unit Placement
Top/Penthouse
LISTING UPDATED: 04/06/2026 03:09 AM

Property Details for 99 Sumner Street, Unit 612

StatusActive
MLS #73478804
Days on Market25
Taxes$12,305 / year
HOA Fees$1,304
Property TypeCondo
MLS TypeCondominium/Co-Op / Condo
Year Built2020
CountySuffolk County

Location

Listing Courtesy of Leading Edge Real Estate, Eain Williams
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Building Information for 99 Sumner Street, Unit 612

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

Payment Calculator

$8,871 per month

30 year fixed, 6.46% Interest

Principal and Interest

$6,541

Property Taxes

$1,025

HOA Dues

$1,304

The Payment Calculator is for illustrative purposes only.

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Property Information for 99 Sumner Street, Unit 612

General Details
Property Details
  • Association Amenities: Elevator(s), Recreation Facilities, Fitness Center, Clubroom, Storage
  • Building Area Units: Square Feet
  • Community Features: Public Transportation, Shopping, Tennis Court, Park, Walk/Jog Trails, T-Station
  • Living Area: 1206.0
  • 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: Range, Dishwasher, Disposal, Microwave, Refrigerator, Washer, Dryer
  • Basement Features: N
  • Common Walls: Top/Penthouse
  • Num of Baths: 2.0
  • Num of Full Baths: 2
  • Num of Half Baths: 0
  • Bathrooms Total Decimal: 2.00
  • Bathrooms Total Integer: 2
  • FireplaceYN: No
  • Fireplaces: 0
  • Flooring: Wood
  • Interior Features: Intercom
  • Laundry Features: First Floor, In Unit
  • SpaYN: No
  • Window Features: Insulated Windows
Exterior Features
  • Structure Type: Mid-Rise
  • Waterfront Features: Waterfront, Harbor
Parking Features
  • Attached Garage: Yes
  • Carport: No
  • Covered Spaces: 1.00
  • Garage: Yes
  • Garage Parking: Attached, Garage Door Opener
  • Parking Features: Attached, Garage Door Opener
Utilities
  • Cooling: Central Air
  • Cooling: Yes
  • Electric: 110 Volts
  • Heating: Central, Forced Air, Natural Gas
  • Heating: Yes
  • Sewer: City/Town Sewer
  • Utility Connections: for Gas Range
  • Water: Public
Room Information
Primary Bedroom
  • Primary Bedroom Level: First Floor
Bedroom 2
  • Bedroom2 Level: First
Dining Room
  • Dining Room Level: First
Kitchen
  • Kitchen Level: First
Living Room
  • Room Living Room Level: First
Property Information
Property Info
  • Farm Land Area Units: Square Feet
  • WARRANTY: No
  • Lot Size Units: Acres
  • Disclosures: Condo fee includes $100/month for parking.
Tax Information
  • Listing Terms: Seller W/Participate
  • Tax ID: 1328111
  • Assessments: $1,062,600
  • Book: 67990
  • Tax Year: 2025
  • Zoning: RES
Building / Association Information
Living Characteristics
  • Beds Total: 2
  • Total Living Levels: 1
Complex & Association Information
  • Association Fee Includes: Water, Sewer, Insurance, Security, Maintenance Structure, Snow Removal, Trash, Reserve Funds
  • Complex Name: The Mark At Denormandie Wharf
  • Management: Professional - Off Site
  • Association Security: Intercom, Doorman
  • Adult Community: No
Unit Information
Unit Information
  • Unit Building: 612
  • Unit Floor Level Integer: 6.0

Property History for 99 Sumner Street, Unit 612

DateEvent & SourcePriceAppreciation
Mar 2, 2026

Listed (Active)

MLS PIN #73478804

$1,350,000—
Dec 20, 2025

Temporarily Withdrawn

MLS PIN #73455485

$1,350,000—
Nov 17, 2025

Listed (Active)

MLS PIN #73455485

$1,350,000—
Jul 25, 2022

Sold (Public Record)

Public Record #1494939299

$1,179,900—
Jul 25, 2022

Sold

MLS PIN #72987790

$1,179,900—
Jun 14, 2022

Under Agreement

MLS PIN #72987790

—
Jun 14, 2022

Contingent

MLS PIN #72987790

—
May 26, 2022

Listed (Active)

MLS PIN #72987790

$1,248,000—
DateEvent & SourcePrice
03/02/2026

Listed (Active)

MLS PIN #73478804

$1,350,000
12/20/2025

Temporarily Withdrawn

MLS PIN #73455485

$1,350,000
11/17/2025

Listed (Active)

MLS PIN #73455485

$1,350,000
07/25/2022

Sold (Public Record)

Public Record #1494939299

$1,179,900
07/25/2022

Sold

MLS PIN #72987790

$1,179,900
06/14/2022

Under Agreement

MLS PIN #72987790

—
06/14/2022

Contingent

MLS PIN #72987790

—
05/26/2022

Listed (Active)

MLS PIN #72987790

$1,248,000

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

Public Records for 99 Sumner Street, Unit 612

Taxable ValueLand-Additions$1,062,600Total-
Tax Record2025$12,305 ($1,025 / month)
Home Facts
Beds2Total Finished SqFt1,206 SqFtAbove Grade Finished SqFt1,206 SqFtStories1StyleCondominiumYear Built2020ZoningCDCountySUFFOLKAPNCBOS W:01 P:05403 S:198

Schools near 99 Sumner Street, Unit 612

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 612 is a condo for sale in Boston, MA 02128. This property was listed for sale on March 2, 2026 by Leading Edge Real Estate, it's currently listed at $1,299,000. It has been on the market for a total of 25 days and was last sold on July 25, 2022. 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 612 is a 2-bed, 2-bath, 1,206 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 Leading Edge Real Estate, Eain Williams

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.