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For sale
    • $850,000

    99 Sumner St #506, Boston, MA 02128

    1beds
    783sqft
    : 
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    Condominium
    Built in 2020
    -- sqft lot
    $822,600 Zestimate®
    $1,086/sqft
    $964/mo HOA

    What's special

    Island perfect for entertainingBosch appliances
    Bright, well-appointed 1+ den opportunity with parking at The Mark on East Boston’s waterfront. Elegant & distinctive interior finishes throughout the building & home. Oversized windows flood the open living space with natural light & courtyard/water views. The kitchen features Silestone quartz counter tops, Bosch appliances & an island perfect for entertaining. The Primary bedroom has charming views of courtyard and water, and the versatile den is perfect for a home office/second bedroom. Enjoy ample closet space and storage solutions throughout including a deeded storage unit conveniently located on the same floor. The Mark is a full service building with amenities including: 24/7 concierge, fitness center with flex studio, harbor view resident terrace with grills and fire pits, golf simulator, conference rooms, entertainment suite, and pet spa. Modern community in a prime Eastie location — easy access to dining, transit and waterfront. A turnkey opportunity for seamless city living.
    100 days
    |
    55
    |
    3
    |

    Zillow last checked:

    Listing updated:

    Listed by:

    Alexandria Lyons 617-512-8806,

    JD Advisors, Inc 508-277-7707

    Source: MLS PIN,MLS#: 73490155

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      Facts & features

      Interior

      Bedrooms & bathrooms
      • Bedrooms: 1
      • Bathrooms: 1
      • Full bathrooms: 1
      Heating
      • Forced Air
      Cooling
      • Central Air
      Features
      • Has basement: No
      • Has fireplace: No
      Interior area
      • Total structure area: 783
      • Total interior livable area: 783 sqft
      • Finished area above ground: 783

      Property

      Parking
      • Total spaces: 1
      • Parking features: Attached, Under, Deeded, Off Street
      • Attached garage spaces: 1
      Features
      • On waterfront: Yes
      • Waterfront features: Waterfront, Harbor
      Details
      • Parcel number: W:01 P:05403 S:144,1328111
      • 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, Medical Facility, Laundromat, Bike Path, Highway Access, House of Worship, Private School, Public School, T-Station
      • Security: Concierge
      HOA
      • Amenities included: Elevator(s), Fitness Center, Clubroom, Storage
      • Services included: Water, Sewer, Insurance, Maintenance Structure, Maintenance Grounds, Snow Removal, Reserve Funds
      • HOA fee: $964 monthly
      Location
      • Region: Boston

      Financial & listing details

      • Price per square foot: $1,086/sqft
      • Tax assessed value: $784,200
      • Annual tax amount: $9,081
      • Date on market: 3/23/2026

        Estimated market value

        $822,600

        $781,000 - $864,000

        $3,151/mo

        Price history

        DateEventPrice
        3/23/2026Listed for sale$850,000-2.2%$1,086/sqft
        Source: MLS PIN #73490155 Report a problem
        9/1/2025Listing removed$869,000$1,110/sqft
        Source: MLS PIN #73330377 Report a problem
        6/11/2025Price change$869,000-3.4%$1,110/sqft
        Source: MLS PIN #73330377 Report a problem
        3/22/2025Price change$899,950-2.2%$1,149/sqft
        Source: MLS PIN #73330377 Report a problem
        1/29/2025Listed for sale$920,000+7.4%$1,175/sqft
        Source: MLS PIN #73330377 Report a problem
        8/26/2021Sold$856,900$1,094/sqft
        Source: MLS PIN #72764742 Report a problem

        Public tax history

        YearProperty taxesTax assessment
        2025$9,081 +22%$784,200 +14.8%
        2024$7,446 +3.6%$683,100 +2.1%
        2023$7,188 $669,300

        Find assessor info on the county website

        Monthly payment

        Est. payment

        Payment breakdown

        Explore the cost of this home by adjusting the details. Changes won't be saved.
        All calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.
        HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.
        Mortgage interest rates are dependent on a number of factors, including credit score, down payment, and repayment length. Interest rate data provided by Zillow Group Marketplace, Inc. as of 1/1/1970 from various mortgage lenders with which we have lead or other similar arrangements; the Estimated Payment is an average of those rates.
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        Climate risks

        Neighborhood: East Boston

        Getting around

        87 / 100
        Very Walkable
        74 / 100
        Excellent Transit
        66 / 100
        Bikeable

        Nearby schools

        GreatSchools rating

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