99 Sumner St, Unit 421

The Mark at DeNormandie Wharf
Boston, MA 02128

$1,199,000
Price
2
Beds
1,195 Sq. Ft.
$1,003 / Sq. Ft.
1,195
Sq. Ft.
$1,003
per Sq. Ft.
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Listed By Compass
Listed By Compass

Description

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...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.

Listing Agent

  1. Caroline Morson

    Caroline Morson

    Listing Agent

    Compass

    P: (617)-968-4445

    CallText

Property Details for 99 Sumner Street, Unit 421

Town
Boston
MLS Area
East Boston's Jeffries Point
Area
MA-Boston-East Boston's Jeffries Point, MA-Boston
Style
Mid-Rise
Garage Spaces
2
Open Parking Spaces
.00
Parking Spaces Total
2
Unit Placement
Upper, Middle
LISTING UPDATED: 06/22/2026 03:06 AM

Property Details for 99 Sumner Street, Unit 421

StatusActive
MLS #73538123
Days on Market4
Taxes$14,608 / year
HOA Fees$1,428 / month
Property TypeCondo
MLS TypeCondominium/Co-Op / Condo
Year Built2020
CountySuffolk County

Building

The Mark at DeNormandie Wharf

107 UnitsBuilt in 2020
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Location

Add your commute

Building Information for 99 Sumner Street, Unit 421

Building/ComplexThe Mark at DeNormandie WharfFloor4Stories-Residences107Pet PolicyAllowedPet Policy DetailsPets AllowedYear Built2020

Payment Calculator

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$8,620 per month

30 year fixed, 6.36% Interest

Principal and Interest

$5,975

Property Taxes

$1,217

HOA Dues

$1,428

The Payment Calculator is for illustrative purposes only.

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Property Information for 99 Sumner Street, Unit 421

General Details
Property Details
  • Association Amenities: Hot Water, Recreation Facilities, Fitness Center, Storage, Garden Area
  • Building Area Units: Square Feet
  • Community Features: Public Transportation, Shopping, Park, Walk/Jog Trails, Bike Path, Highway Access, House of Worship, Private School, Public School, T-Station, University
  • Living Area: 1195.0
  • 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, Freezer, Washer, Dryer
  • Basement Features: N
  • Common Walls: Middle
  • 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: In Unit
  • Primary Bath: Yes
  • SpaYN: No
  • Window Features: Insulated Windows
Exterior Features
  • Construction: Brick
  • Entry Location: Upper
  • Exterior Features: Deck
  • Exterior Features: Deck
  • Patio And Porch Features: Deck
  • Structure Type: Mid-Rise
  • Waterfront Features: Waterfront, Harbor
  • Waterview Features: Harbor
Parking Features
  • Attached Garage: Yes
  • Carport: No
  • Covered Spaces: 2.00
  • Garage: Yes
  • Garage Parking: Under, Garage Door Opener
  • Parking Features: Under, Garage Door Opener
Utilities
  • Cooling: Central Air
  • Cooling: Yes
  • Heating: Forced Air
  • Heating: Yes
  • Sewer: City/Town Sewer
  • Utility Connections: for Gas Range
  • Water: Public
Property Information
Property Info
  • Year Round: Yes
  • Documents Available: Master Deed, Unit Deed, Rules & Regs, Floor Plans, Association Financial Statements
  • Documents Count: 5
  • Farm Land Area Units: Square Feet
  • WARRANTY: No
  • Lot Size Units: Acres
  • 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.
Tax Information
  • Listing Terms: Contract
  • Tax ID: 0105403128,5200268
  • Assessments: $999,999,999
  • Book: 68807
  • Tax Year: 2026
  • Zoning: 102 Res
Building / Association Information
Living Characteristics
  • Beds Total: 2
  • Total Living Levels: 1
Other Building Characteristics
  • Cooling Zones: 1
  • Heat Zones: 1
Complex & Association Information
  • Association Fee Frequency: Monthly
  • Association Fee Includes: Heat, Water, Sewer, Insurance, Security, Maintenance Structure, Maintenance Grounds, Snow Removal, Trash, Reserve Funds
  • Complex Name: The Mark At Denormandie Wharf
  • Complex Complete: Yes
  • Management: Professional - On Site
  • Association Security: Intercom, TV Monitor, Concierge
  • Adult Community: No
Unit Information
Unit Information
  • Unit Building: 421
  • Unit Floor Level Integer: 4.0

Property History for 99 Sumner Street, Unit 421

DateEvent & SourcePriceAppreciation
Jun 18, 2026

Listed (Active)

MLS PIN #73538123

$1,199,000—
Apr 4, 2022

Sold (Public Record)

Public Record #1487653922

$1,411,900—
Apr 4, 2022

Sold

MLS PIN #72930549

$1,411,900—
DateEvent & SourcePrice
06/18/2026

Listed (Active)

MLS PIN #73538123

$1,199,000
04/04/2022

Sold (Public Record)

Public Record #1487653922

$1,411,900
04/04/2022

Sold

MLS PIN #72930549

$1,411,900

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

Public Records for 99 Sumner Street, Unit 421

Taxable ValueLand-Additions$1,155,800Total-
Tax Record2025$13,384 ($1,115 / month)
Home Facts
Beds2Total Finished SqFt1,195 SqFtAbove Grade Finished SqFt1,195 SqFtStories1StyleCondominiumYear Built2020ZoningCDCountySUFFOLKAPNCBOS W:01 P:05403 S:128

Schools near 99 Sumner Street, Unit 421

This home is within Boston Public Schools.
Rating
School
Type
Grades
Distance
Dante Alighieri
Public - PK to 6
McKay K-8 School
Public - PK to 8
East Boston High School
Public - 7 to 12
East Boston Early Childhood Center
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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More information about 99 Sumner Street, Unit 421, Boston, MA 02128

99 Sumner Street, Unit 421 is a condo for sale in Boston, MA 02128. This property was listed for sale on June 18, 2026 by Compass, it's currently listed at $1,199,000. It has been on the market for a total of 4 days and was last sold on April 4, 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 421 is a 2-bed, 2-bath, 1,195 sqft condo built in 2020.

No guarantee, warranty or representation of any kind is made regarding the completeness or accuracy of any information, descriptions or measurements (including square footage measurements and property condition), such should be independently verified through appropriate means, including, but not limited to, in person inspection and public records, and Compass International Holdings, its subsidiaries, affiliates and independently owned and operated franchisees, and their affiliated agents and associated third parties expressly disclaim 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 seller's discretion. 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.

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.