For Sale
Condo for sale at 99 Sumner St #PH621, Boston, MA 02128 | MLS# 73493860 | Listing updated on 2026-09-19
Photo 1 of Condo for sale at 99 Sumner St #PH621, Boston, MA 02128 | MLS# 73493860 | Listing updated on 2026-09-19
Photo 2 of Condo for sale at 99 Sumner St #PH621, Boston, MA 02128 | MLS# 73493860 | Listing updated on 2026-09-19
Photo 3 of Condo for sale at 99 Sumner St #PH621, Boston, MA 02128 | MLS# 73493860 | Listing updated on 2026-09-19
Photo 4 of Condo for sale at 99 Sumner St #PH621, Boston, MA 02128 | MLS# 73493860 | Listing updated on 2026-09-19
36+
Beds Icon

Street View

$1,499,000

Monthly Est:$7,461

  • Beds Icon2 Beds
  • Beds Icon
    2 Baths
  • Beds Icon1,197sqft

99 Sumner St #PH621, Boston, MA 02128

$7,461/moEst:

Get Pre-Approved

  • Condominium

  • Built in 2021

  • $1,565/mo HOA

  • -- sqft lot

  • $1,252/sq.ft

Description

Residence 621 at The Mark offers 2 bedrooms, a den, 2 baths, and 1,197 square feet of beautifully designed waterfront living, with two garage parking spaces and two storage units included. The open-concept layout features a chef's kitchen with Bosch appliances, quartz countertops, and upgraded cabinetry, all flowing across hardwood floors to a living space built for both everyday ease and effortless entertaining. The Mark is a full-service luxury building: 24-hour concierge, private terrace, fireplace lounge, billiards room, library, fitness center, conference room, and pet spa. Everything you need, without ever leaving the building. Downtown Boston is minutes away by ferry, Blue Line, or a quick drive. Logan Airport is moments from your door, making this a rare city residence that truly serves those with a dynamic lifestyle. Tallship, waterfront dining, and green space are all moments away. This is Boston waterfront living at its finest.

  • Houzeo last checked: 12 hours ago
  • Listing updated: September 19, 2026 at 7:05 am
  • Listing Provided by: The Boston ONE Team (617) 704-0921 | Serhant (617) 250-0559
  • Source: MLS Property Information Network-MA | MLS#: 73493860 MLS Property Information Network-MA

This condo is in:

Property Details

  • Status

    Active

  • Type

    Condominium

  • No. of Stories

    1

  • County

    Suffolk County

  • City

    Boston

  • Neighborhood

    North End

  • Year Built

    2021

  • HOA Fees

    $1565/mo

  • Finished Area

    1,197 sqft

  • Lot Size

    -- sqft lot

  • Basement Area

    - sqft

  • MLS Name

    MLS Property Information Network

  • MLS Number

    73493860

  • MLS Status

    Active

  • Days on Market

    207

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Location

HOA Management

N/A

HOA Fees

$1,565/ Monthly

Amenities

Amenities and services may be covered by one or multiple associations and service providers.

Maintenance Maintenance

Sewer Sewer

Insurance Insurance

Snow Removal Snow Removal

Gym Gym

Water Water

Security Guard Security Guard

Heating Heating

Reserve Funds Reserve Funds

Disclaimer: Amenities are based on third-party information and may vary; buyers must independently verify all amenities, as information is deemed reliable but not guaranteed.

Facts & Features

Rooms

  • Bedrooms & bathrooms

    Bedrooms: 2

    Bathrooms: 2

Interior

  • Heating

    Forced Air

  • Flooring

    Wood

  • Exterior Features

    Balcony, City View(s)

  • Sewer

    Public Sewer

  • Cooling

    Central Air

Construction

  • Year Built

    Year Built: 2021

  • Home type

    Condominium

  • Construction Materials

    Brick

Utilities & Energy

  • Water Source

    Public

  • Association Amenities

    Hot Water, Fitness Center

  • Basement

    N

  • Laundry Features

    In Unit

  • Security Features

    Intercom, Tv Monitor, Doorman, Concierge

  • Utilities

    For Gas Range

  • Parking Features

    Under, Deeded

Other Features

  • Community Features

    Public Transportation, Shopping, Park, Walk/jog Trails, Bike Path, Highway Access, House Of Worship, Private School, Public School, T Station, University

  • Disclosures

    Each Garage Parking Space Is $75/month, Making It An Additional $150/month Total. Some Photos Are Virtually Staged.

Price History

DateEventPrice

07/20/2026

Source: mls_logoMLS Property Information Network-MA #73493860

Price Decreased

$1,499,000 -7.75%

$1,252/sqft

03/31/2026

Source: mls_logoMLS Property Information Network-MA #73493860

Listed for Sale

$1,625,000

$1,358/sqft

Getting Around 99 Sumner St

Walk Score®

Walk Score

Walker's Paradise

92/100

Transit Score®

Transit Score

Excellent Transit

74/100

Data provided by Redfin

Nearby Homes

Based on information provided to and compiled by MLS Property Information Network, Inc. covering through Oct 23, 2026, 08:45PM. The property listing data and information, or the Images, set forth herein were provided to MLS Property Information Network, Inc. from third-party sources, including sellers, lessors and public records, and were compiled by MLS Property Information Network, Inc. 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. 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. All information provided is deemed reliable, but is not guaranteed to be accurate and should be independently verified. © 2026 MLS Property Information Network, Inc. All Rights Reserved.

Advertising Broker: Derek Greene | The Greene Realty Group