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For sale
    • Price cut: $5K (2/12)
    $730,000

    99 Sumner St #101, Boston, MA 02128

    1beds
    821sqft
    : 
    Condominium
    Built in 2020
    -- sqft lot
    $711,400 Zestimate®
    $889/sqft
    $977/mo HOA

    What's special

    Sun-drenched open-concept layoutBold custom touchesBreathtaking views
    Seller offering a $5,000 CREDIT toward buyer closing costs or prepaid expenses!! Welcome to a rare opportunity at The Mark at DeNormandie Wharf—a modern one-bedroom PLUS den corner residence with unmatched views of the Boston Harbor and skyline. This thoughtfully curated home blends sleek design with functional luxury. From the sun-drenched, open-concept layout to your private oasis, every detail invites you to relax and enjoy the view. Inside, find bold custom touches that sets the tone for a refined, urban lifestyle. The Mark, built in 2021, is East Boston’s premier full-service building featuring concierge, a waterfront terrace with fire pits and grills, golf simulator, co-working and conference spaces, a pet spa, fitness center, and multiple resident lounges. Commuting is a breeze—hop on the Blue Line at Maverick or take the water shuttle and arrive downtown or in the Seaport within minutes. Modern luxury. Breathtaking views. Effortless city living.
    149 days
    |
    173
    |
    3
    |

    Zillow last checked: 7 hours ago

    Listing updated: March 05, 2026 at 12:05am

    Listed by:

    The Movement Group 978-712-9570,

    Compass 617-206-3333,

    Dante Bruzzese 781-854-1624

    Source: MLS PIN,MLS#: 73446050

    Tour with a local agent

      Facts & features

      Interior

      Bedrooms & bathrooms
      • Bedrooms: 1
      • Bathrooms: 1
      • Full bathrooms: 1
      Heating
      • Forced Air
      Cooling
      • Central Air
      Appliances
      • Included: Range, Dishwasher, Microwave, Refrigerator, Washer, Dryer
      Features
      • Flooring: Vinyl, Hardwood
      • Has basement: No
      • Has fireplace: No
      • Common walls with other units/homes: No One Below
      Interior area
      • Total structure area: 821
      • Total interior livable area: 821 sqft
      • Finished area above ground: 821

      Property

      Features
      • Entry location: Unit Placement(Walkout)
      • Patio & porch: Patio
      • Exterior features: Patio
      • On waterfront: Yes
      • Waterfront features: Waterfront, Harbor, 1/2 to 1 Mile To Beach
      Details
      • Parcel number: W:01 P:05403 S:002,1328111
      • Zoning: CD

      Construction

      Type & style
      • Home type: Condo
      • Property subtype: Condominium
      • Attached to another structure: Yes
      Condition
      • Year built: 2020

      Utilities & green energy

      • Sewer: Public Sewer
      • Water: Public

      Community & HOA

      Community
      • Features: Public Transportation, Shopping, Park, Walk/Jog Trails, Bike Path, Highway Access, House of Worship, Marina, Private School, Public School, T-Station
      • Security: Intercom, Concierge
      HOA
      • Amenities included: Elevator(s), Recreation Facilities, Fitness Center, Clubroom
      • Services included: Water, Sewer, Insurance, Security, Maintenance Structure, Maintenance Grounds, Snow Removal, Trash
      • HOA fee: $977 monthly
      Location
      • Region: Boston

      Financial & listing details

      • Price per square foot: $889/sqft
      • Tax assessed value: $703,500
      • Annual tax amount: $8,723
      • Date on market: 10/25/2025
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        Estimated market value

        $711,400

        $676,000 - $747,000

        $3,372/mo

        Price history

        Price history
        DateEventPrice
        2/12/2026Price change$730,000-0.7%$889/sqft
        Source: MLS PIN #73446050 Report a problem
        2/4/2026Price change$735,000-0.5%$895/sqft
        Source: MLS PIN #73446050 Report a problem
        11/20/2025Price change$739,000-1.5%$900/sqft
        Source: MLS PIN #73446050 Report a problem
        10/21/2025Listed for sale$750,000+4.9%$914/sqft
        Source: MLS PIN #73446050 Report a problem
        8/27/2021Sold$714,900$871/sqft
        Source: MLS PIN #72890554 Report a problem

        Public tax history

        Public tax history
        YearProperty taxesTax assessment
        2025$8,067 +16.1%$696,600 +9.3%
        2024$6,947 +3.6%$637,300 +2.1%
        2023$6,706 $624,400

        Find assessor info on the county website

        BuyAbility℠ payment

        Est. payment
        $4,986/mo
        Principal & interest
        $3614
        HOA Fees
        $977
        Property taxes
        $395
        More affordability tools

          Climate risks

          Neighborhood: East Boston

          Getting around

          92 / 100
          Walker's Paradise
          73 / 100
          Excellent Transit
          71 / 100
          Very Bikeable

          Nearby schools

          GreatSchools rating

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