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For sale
    • $850,000

    99 Sumner St #506, Boston, MA 02128

    1beds
    783sqft
    : 
    $6,423/mo
    Get pre-qualified
    Condominium
    Built in 2020
    -- sqft lot
    $820,100 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.
    146 days
    |
    69
    |
    1
    |

    Zillow last checked:

    Listing updated:

    Listed by:

    Alexandria Lyons 617-512-8806,

    JD Advisors, Inc 508-277-7707

    Source: MLS PIN,MLS#: 73490155

      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

        $820,100

        $779,000 - $861,000

        $3,101/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

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        Payment breakdown

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        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.
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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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