Listing Tools

Recent construction. The Mark is a full service waterfront building in East Boston. Sweeping views to the city skyline over Boston Harbor. Just a two minute walk to Maverick Square MBTA, and water shuttles. Concierge, fitness center, golf simulator, club room, library, fire pits and grills. Resort style living on the water. Condo fee includes parking monthly maintenance fee. Elegantly finished unit with ample closet space, Bosch appliances Silestone quartz counter tops. Oversized windows and a peekaboo view of the water from the living room.

More Info

Basic Information

  • Bedrooms1
  • Mls StatusActive
  • Bathroom1
  • Parcel Number W:01 P:05403 S:068,1328111
  • Unit Number310

Tax Information

  • Tax Assessed Value $703,300
  • Tax Year 2025
  • Taxes$8,144

Parking

  • Parking Spaces1
  • Covered Spaces 1
  • Garage YN Yes
  • Parking Features Attached, Under, Off Street

Rooms

  • Bathrooms Total Decimal 1
  • Full Bath1

Basic Information

  • List Price$749,000
  • MLS Number73503476
  • Modification Date04/21/2026
  • Property SubTypeCondominium

Location

  • NeighborhoodEast Boston
  • SubdivisionEast Boston
  • Address99 Sumner Street
  • Building Number99
  • CountySuffolk
  • StateMA
  • StreetSumner Street
  • TownBoston
  • Zip02128

Building

  • Attached Garage YN Yes
  • BasementN
  • Building Area Units Square Feet
  • Entry Level 3
  • Garage Spaces1
  • Rooms4
  • Stories1
  • Year Built2020
  • Year Built Details Actual
  • Year Built Source Public Records

Utilities

  • Cooling Central Air
  • Cooling YN Yes
  • Heat SystemYes
  • Heating Forced Air
  • Sewer Public Sewer
  • Water Source Public

Property Information

  • Square Feet740
  • Building Area Source Public Records
  • Living Area 740
  • Lot Size Units Acres
  • Property Attached YN Yes
  • Structure Type Mid-Rise

Amenities

  • Association Amenities Hot Water, Elevator(s), Fitness Center, Clubroom, Garden Area
  • Other AmenitiesGarden, Golf, Waterfront, Water View

Water Body

  • WaterfrontYes
  • Waterfront Features Waterfront

Legal

  • ZoningCD

Other

  • Association Fee $942
  • Association Fee Frequency Monthly
  • Association Fee Includes
    • Insurance
    • Maintenance Grounds
    • Reserve Funds
    • Security
    • Sewer
    • Snow Removal
    • Trash
    • Water
  • Date Listed04/17/2026
  • Farm Land Area Units Square Feet
  • View Count4

Map Location

Driving Directions

Listed by Samantha Berdinka of Engel & Volkers Boston

Hi there! How can we help you?

Contact us using the form below or give us a call.

Send Us A Message:

I agree to receive marketing and customer service calls and text messages from Castles Unlimited. To opt out, you can reply 'stop' at any time or click the unsubscribe link in the emails. Consent is not a condition of purchase. Msg/data rates may apply. Msg frequency varies. Privacy Policy.

Do not fill in this field:

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Hi there! How can we help you?

Contact us using the form below or give us a call.

Send Us A Message:

Do not fill in this field:

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Hi there! How can we help you?

Contact us using the form below or give us a call.

Send Us A Message:

Do not fill in this field:

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Do not fill in this field:

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Do not fill in this field:

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Do not fill in this field:

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

$

Do not fill in this field:

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.